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April 2009
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Expansion thermostatic expansion valves with interchangeable orifice assembly 16valves PWM solenoid expansion valves with interchangeable orifice 26
Solenoid valves for refrigerating systems 32valves coils 40
permanent magnet 43
connectors 44
valves for different fluids 44
Safety devices safety valves 3030 50 safety valves 3060 57
ball shut-off valves 59
changeover devices 60
unions 62
fusible plugs 63
Check valves 65
Water regulating valves 71
Liquid indicatorsMoisture liquid indicators 77
Dehydrators dehydration of refrigerants 83 anti-acid solid core filter driers 85
solid core filter driers with sight glass 94
solid core bi-flow filter driers 97
filter driers with replaceable anti-acid solid core 100
mechanical filters with replaceable filtering block 105
strainers 110
Oi105
Valves hermetic valves 112 receiver valves 114
stop valves 116
diaphragm valves 118
rotalock valves 120
capped valves 122
globe valves 124
ball valves 126
gauge mounting valves 129
line piercing valve 130
Threaded brass fittings 131
Solder copper fittings 141
Access fittings 153
Spare parts 159
Index
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The techical data in this handbook are indicative. Castel reserves the
right to modify the same at any time without any previous notice.
The products listed in this handbook are protected according to the law
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From quality our naturaldevelopment
After more than forty years in the industry of Refrigeration and
Air Conditioning components, Castel Quality Range of Products
is well known and highly appreciated all over the world.
Quality is the main issue of our Company and it has a special
priority, in every step, all along the production cycle.
We produce on high tech machinery and updated automatic
production lines, operating in conformity with the safety and
environment standards currently enforced.
Castel offers to the Market and to Manufacturers fully tested
products suitable with HCFC and HFC Refrigerants currently
used in the Refrigeration & Air Conditioning Industry.
UNI EN ISO 9001:2008 issued by ICIM certifies the Quality System
of the Factory.
Moreover Castel Products count a number of certifications in
conformity with the EEC Directives and with European and
American Quality Approvals.
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Application of Directive 97/23/EC of the European Parliament
and of the Council, of 29 May 1997, concerning pressure
equipment towards Castel refrigeration products
Maximum / minimum allowable
temperature (TS):
the maximum/minimum temperatures for
which the equipment is designed, as
specified by the manufacturer
Volume (V): the internal volume of a
chamber, including the volume of nozzles to
the first connection or weld and excluding
the volume of permanent internal parts.
Nominal size (DN): numerical designation
of size, which is common to all components
in a piping system. Fluids: gases, liquids and vapours in pure
phase as well as mixture thereof.
Pressure equipments referred to in Article 3 are
classified by categories in accordance with
Annex II, according to ascending level of
hazard, on the basis of:
State of the fluid
Danger classification of the fluid
Type of equipment
Dimensions and energetic potential:
V, DN, PS, PS x V, PS x DNand must satisfy the Essential Safety
Requirement set out in Annex I of PED.
Pressure equipments below or equal to the
limits in Article 3, sections 1.1, 1.2 and 1.3
and section 2, must not satisfy the Essential
Safety Requirement set out in Annex I. They
must be designed and manufactured in
accordance with the sound engineering practice
of a Member State in order to ensure safe use
(Article 3, Section 3).
In the tables of general characteristics,
collected in this Handbook, its showed the riskcategory in which every product is classified.
In Article 9 of PED the fluids are classified,
according to their hazard, into two groups:
The Directive 97/23/EC (PED) applies
to the design, manufacture and conformity
assessment of pressure equipment
and assemblies with a maximum allowable
pressure PS greater than 0,5 bar with
the exception of the possibilities listed
in Article 1, Section 3 of the same
Directive.
Since 30 May 2002 the Directive
has become mandatory and,
in the Member States of European Community,
it has been possible to placeon the market only pressure equipments
CE marked according to PED.
For the purposes of the Directive see the
following definitions, used in this Handbook
too:
Pressure equipment: vessels, piping,
safety accessories, and pressure
accessories
Vessel: a housing designed and built to
contain fluids under pressure.
Piping: piping components intended for thetransport of fluids, when connected together
for integration into a pressure system.
Safety accessories: devices designed to
protect pressure equipment against the
allowable limits being exceeded.
Pressure accessories: devices with an
operational function and having pressure-
bearing housing. For example: solenoid
valves, valves, indicators.
Assemblies: several pieces of pressure
equipment assembled by a manufacturer to
constitute an integrated and functionalwhole.
Maximum allowable pressure (PS):
the maximum pressure for which the
equipment is designed, as specified by the
manufacturer.
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Group I comprises dangerous fluids. A
dangerous fluid is a substance or
preparation covered by the definitions in
Article 2 of Council Directive 67/548/EEC
of 27 June 1967 and following
amendments, relating to the classification,
packaging and labeling of dangerous
substance. Group I comprises fluids defined
as: explosive, extremely flammable, highly
flammable, flammable, very toxic, toxic,
oxidizing.
Group II comprises all the others fluids notreferred to in group I.
Castel products are suitable for using with
refrigerant fluids proper to the Group II.
These refrigerant fluids are listed and
classified A1 in Annex E of standard
EN 378-1:2008, plus fluids R30, R123,
R141b and R245fa that are classified in
other safety groups.
EXTERNAL LEAKAGE
All the products illustrated in this Handbook are
submitted, one by one, to tightness tests
besides to functional tests.
Allowable external leakage, measurable during
the test, agrees to the definition given in the
Standard EN 12284 : 2003, Par. 9.4:
During the test, no bubbles shall form over a
period of at least one minute when the
specimen is immersed in water with low
surface tension, .
PRESSURE CONTAINMENT
All the products illustrated in this Handbook, if
submitted to hydrostatic test, guarantee a
pressure strenght at least equal to 1,43 x PS in
compliance with the Directive 97/23/EC.
All the products illustrated in this Handbook, if
submitted to burst test, guarantee a pressure
strength at least equal to 3 x PS according to
to the EN 378-2:2008 Standard. A greatnumber of products illustrated in the Handbook
can guarantee an higher pressure strength,
equal to 5 x PS according to the Standard UL
207 : 2004. (for detailed information about
these products please contact Castel Technical
Department).
WEIGHTS
The weights of the items listed in this
Handbook include packaging and are not
binding for the Company.
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Application of Directive 2002/95/EC of the European Parliament and
of the Council, of 27 January 2003, on the restriction of the use of
certain hazardous substances in electrical and electronic equipment
listed in the Annex of the same Directive;
among these applications the following
exceptions are particularly interesting in air
conditioning / refrigerating systems:
Lead as an alloying element in steel
containing up to 0,35% lead by weight,
aluminium containing up to 0,4% lead by
weight and as a copper alloy containing up to
4% lead by weight
Hexavalent chromium as an anti-corrosion of
the carbon steel cooling system in absorption
refrigerators
The Member States of European Community had
to adopt the two Directives 2002/95/EC and
2002/96/EC, with the next updating
2003/108/EC, before 13 August 2004, unless
delays granted by the European Parliament.
For a long time Castel Company has started a
careful inquiry, together with its suppliers, to
identify the presence or not of the above-
mentioned hazardous substances, either in its
own products or in its own production processes,
and to remove them progressively.
At the end of this wide examination CastelCompany may declare that its products:
1. Do not contain mercury, cadmium,
polybrominated biphenyls (PBB),
polybrominated diphenyl ethers (PBDE)
2. Do not contain hexavalent chromium, used for
the surface treatments (yellow zinc plating) of
steel parts. Castel Company has removed the
yellow zinc plating treatments from all its
products, before the end of 2005, and has
chosen:
other surface treatments containing trivalent
chromium instead of hexavalent chromium.
where possible, other materials which dont
need surface treatments.
3. Contain lead as an alloying element in steel,
aluminium and copper alloys within the
accepted limits according to the Annex of
RoHS Directive.
The purpose of Directive 2002/95/EC (RoHS
Directive) is to prevent or restrict the use of
hazardous substances in electrical and
electronic equipment and to contribute to the
environmentally sound recovery and disposal of
waste electrical and electronic equipment.
RoHS Directive shall apply to electrical and
electronic equipment falling under the categories
1, 2, 3, 4, 5, 6, 7 and 10 set out in Annex 1A to
Directive 2002/96/EC (WEEE Waste electrical
and electronic equipment) and to electric light
bulbs and luminaries in households.The equipment proper to the first category,
Large household appliances, and to the
10th category, Automatic dispensers, of
Annex 1A in WEEE Directive, are specified in
Annex 1B in the same Directive; this list of
products shows:
Large cooling appliance
Refrigerators
Freezers
Other large appliances used for refrigeration,
conservation and storage of food
Air conditioner appliances
Other fanning, exhaust ventilation andconditioning equipment
Automatic dispenser for hot or cold bottles
and cans
Article 10 of WEEE Directive establishes that,
from 13 August 2005, new electrical and
electronic equipment put on the market are
appropriately identified as waste subject to
separate collection, by means of the proper
symbol shown in Annex IV of the same Directive.
Article 4 of RoHS Directive establishes that, from
1 July 2006, new electrical and electronic
equipment put on the market does not contain
the following substances:
Lead
Mercury
Cadmium
Hexavalent chromium
Polybrominated biphenyls (PBB)
Polybrominated diphenyl ethers (PBDE)
The restriction of use of these hazardous
substances shall not apply to the applications
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CONNECTIONS OF CASTEL PRODUCTS
Castel products can be supplied with different
connections.In particular Castel products are produced
either with threaded connections or solder
connections.
Table 1 shows the equivalence between Castelcodes and dimensions in inches. These codes
are commonly used in the international market.
Table 2 shows the equivalence between Castel
codes and dimensions in millimeters.
CASTELcode
Dimension[in]
TABLE 1 - Equivalence between Castel code
and dimension in inches
CASTELcode
Dimension[mm]
. /M6
. /M10
. /M12
. /M15
. /M18
. /M22
. /M28
. /M42
. /M64
. /M80
6
10
12
15
18
22
28
42
64
80
TABLE 2: Equivalence between Castel code
and dimension in millimeters
1/8"
1/4"
3/8"
1/2"
5/8"
3/4"
7/8"
1"
1" 1/8
1" 3/8
1" 5/8
2" 1/8
2" 5/8
3"
3" 1/8
3" 1/2
3" 5/8
4" 1/8
4" 1/4
. /1
. /2
. /3
. /4
. /5
. /6
. /7
. /8
. /9
. /11
. /13
. /17
. /21
. /24
. /25
. /28
. /29
. /33
. /34
F.e. 1098/7 solenoid valve with solder connection
with = 7/8
F.e. 4411/M42A fi lter drier with replaceable anti-acid
solid core with solder connection with = 42 mm.
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1) THREADED CONNECTIONS
They can be of three different types:
FLARE
Straight threaded connection (according to SAE
J513-92; ASME B1.1-89) for junction to a
copper pipe with a suitable flared end, using a
right nut (see Table 3).
NPT
Taper threaded connection (according to ASME
B1.20.1-92) to joint fittings, valves, safety
valves to vessel or steel pipes.
FPTStraight threaded connection (according to UNI
ISO 228/1) used in the hydraulic system to
joint fittings or valves to vessel or steel pipes.
F.e.: solenoid valves for water or air.
2) SOLDER CONNECTIONS
They can be of four different types and can fit
pipes with diameter both in inches and in
millimeters:
ODS (or ODF)
Female solder connection for copper tubes.
The indicated size corresponds to the outer
diameter of the copper tube which to joint.
F.e.: 1/2" ODS solder connection suitable to receive
inside a copper pipe with a 1/2" outer diameter.
ODM
Male solder connection for copper tubes.
The indicated size corresponds to the outer
diameter of the copper tube which to joint.
F.e.: 16 ODM solder connection suitable to joint a
copper pipe with a 16 mm outer diameter, by means of
an M16 female/female copper sleeve (in this case the
type Castel 7700/M16).
IDS
Male solder connection for copper tube.
The indicated size corresponds to the inner
diameter of the copper tube which to joint.
F.e.: 10 IDS solder connection suitable to receive
outside a copper pipe with an 10 mm inner diameter).
W
Solder connection for steel pipes.
The indicated size corresponds to the external
diameter of the steel pipe which to joint.
F.e.: 76,1 W solder connection suitable to connect a
steel pipe with a 76,1 mm external diameter, by means
of butt welding.
FLARESuitable forCopper tube
thread
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
7/8"
1"
1/4"
5/16"
3/8"
1/2"
5/8"
3/4"
7/8"
1"
7/16" - 20 UNF
1/2" - 20 UNF
5/8" - 18 UNF
3/4" - 16 UNF
7/8" - 14 UNF
1.1/16" - 14 UNS
1.1/4" - 12 UNF
1.3/8" - 12 UNF
TABLE 3: Flare connections
Description of connections that are currently used for Castelproducts.
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THE Kv FACTOR
Table 1 shows refrigeration capacity values
with unit Kv related to the nominal working
conditions specified in Table 2.
Appropriate corrective coefficients may be
calculated taking the values shown from Table
3 to Table 8 as a basis; this will make it
possible to predict actual working conditions.
As a result:
Liquid line:
Q = Kv Q1 L1 L2 Suction line
Q = Kv Q1 S1 S2 Hot gas line
Q = Kv Q1 H1 H2
since:
Q = required refrigeration capacity [kW];
Kv = characteristic valve coefficient [m3/h];
Q1 = reference refrigeration capacity [kW]
(Table 1).
L1 S1 H1 = are correction factors of the
refrigeration capacity in the presence of
operating temperatures different from reference
conditions.
L2 S2 H2 = are correction factors of the
refrigeration capacity for pressure drops
different from reference conditions.
The correct sizing of tubes and components of
a refrigerating system is of the utmost
importance for all kinds of plants; oversizing
and undersizing are both to be avoided since
they are equally hazardous for the correct
operation of the system.
The correct selection of a component is based
on the knowledge of the relationship between
capacity and pressure drop through that
component. For this purpose, EN 60534-1,
EN 60534-2-1 and EN 60534-2-3 standards
require manufacturers to specify the Kv
coefficient for every product.
The Kv factor is defined as the cold water
flow (volumic mass = 1000 kg/m3) in
m3/h resulting in a 1 bar pressure drop
with a completely open valve.
This definition applies to all products described
in this handbook.
The merely physical meaning, this coefficient
precisely defines the fluid-dynamic and
construction characteristics of the product, so
that, with the addition of other parameters
more closely related to the nature and
conditions of the fluid under consideration, thecapacity/pressure drop ratio may be precisely
determined.
Castel provides appropriate tables for the most
commonly used refrigerants in typical plant
working conditions in order to help engineers in
the correct selection of its products.
TABLE 1
KvFactor[m3/h]
R134a
Liquid Vapour Hot Gas
Refrigeration Capacity [kW]
1 16,85
R22
18,00
R404A
11,90
R407C
18,74
R410A
19,04
R507
11,80
R134a
2,16
R22
2,70
R404A
2,26
R407C
2,68
R410A
3,60
R507
2,15
R134a
8,50
R22
11,70
R404A
10,00
R407C
11,62
R410A
13,00
R507
7,77
+4
TABLE 2 - Nominal Working Conditions
+18
+38
0,15
1
ApplicationSuction Temperature
[C]Condensing Temperature
[C]Pressure drop
[bar]
LIQUID
VAPOUR
HOT
GAS
Evaporating Temperature[C]
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Liquid line
TABLE 3 - Correction Factors L1 of the refrigeration capacity for operating temperatures different from nominal values
LiquidTemperature
[C]Refrigerant
+ 10 + 5 0 5 10 15 20 25 30 35 40
Evaporating Temperature [C]
0
+10
+20
+30
+40
+50
+60
R134a
R22
R404A
R407C
R410A
R507
R134a
R22
R404A
R407C
R410A
R507
R134a
R22
R404A
R407C
R410A
R507
R134a
R22
R404A
R407C
R410A
R507
R134a
R22
R404A
R407C
R410A
R507
R134a
R22
R404A
R407C
R410A
R507
R134a
R22
R404A
R407C
R410A
R507
1,23
1,19
1,28
1,23
1,19
1,33
1,12
1,08
1,13
1,12
1,08
1,17
1,00
0,99
0,99
0,99
1,00
1,00
0,88
0,89
0,85
0,85
0,85
0,80
0,76
0,79
0,68
0,71
0,70
0,58
1,21
1,17
1,26
1,22
1,17
1,30
1,10
1,07
1,12
1,10
1,07
1,15
0,98
0,98
0,97
0,97
0,99
0,97
0,86
0,88
0,83
0,84
0,84
0,78
0,74
0,78
0,66
0,70
0,69
0,56
1,19
1,16
1,25
1,20
1,16
1,28
1,08
1,06
1,09
1,08
1,06
1,13
0,96
0,97
0,95
0,96
0,96
0,95
0,84
0,87
0,81
0,82
0,81
0,76
0,72
0,77
0,64
0,68
0,67
0,54
1,17
1,16
1,22
1,18
1,16
1,26
1,06
1,05
1,07
1,06
1,05
1,10
0,94
0,96
0,93
0,94
0,95
0,93
0,82
0,86
0,79
0,80
0,80
0,74
0,70
0,76
0,62
0,66
0,66
0,52
1,15
1,15
1,20
1,16
1,15
1,23
1,04
1,04
1,05
1,04
1,04
1,08
0,92
0,95
0,92
0,92
0,94
0,90
0,80
0,85
0,77
0,79
0,79
0,71
0,68
0,75
0,60
0,65
0,65
0,50
1,13
1,13
1,17
1,15
1,13
1,20
1,02
1,03
1,04
1,03
1,03
1,05
0,90
0,93
0,89
0,90
0,93
0,87
0,78
0,84
0,75
0,77
0,78
0,68
0,66
0,74
0,58
0,63
0,63
0,47
1,34
1,32
1,40
1,35
1,32
1,52
1,23
1,22
1,27
1,23
1,22
1,35
1,11
1,11
1,16
1,13
1,11
1,17
1,00
1,02
1,02
1,00
1,02
1,02
0,88
0,92
0,87
0,89
0,92
0,85
0,76
0,82
0,73
0,75
0,76
0,66
0,64
0,72
0,56
0,61
0,61
0,45
1,32
1,31
1,38
1,33
1,31
1,49
1,21
1,21
1,25
1,21
1,21
1,32
1,09
1,10
1,13
1,11
1,10
1,14
0,98
1,01
0,99
0,99
1,01
0,99
0,86
0,90
0,85
0,87
0,91
0,82
0,74
0,81
0,71
0,73
0,74
0,63
0,62
0,71
0,54
0,60
0,60
0,42
1,30
1,29
1,36
1,31
1,29
1,46
1,18
1,19
1,23
1,19
1,19
1,29
1,07
1,08
1,11
1,09
1,08
1,12
0,96
0,99
0,97
0,97
0,99
0,96
0,84
0,89
0,83
0,85
0,90
0,79
0,72
0,80
0,69
0,72
0,73
0,60
0,60
0,70
0,52
0,58
0,58
0,40
1,28
1,27
1,33
1,29
1,27
1,42
1,16
1,17
1,20
1,18
1,18
1,26
1,05
1,07
1,08
1,07
1,07
1,08
0,94
0,98
0,95
0,95
0,98
0,93
0,82
0,87
0,80
0,83
0,87
0,76
0,70
0,78
0,67
0,70
0,72
0,57
0,58
0,68
0,50
0,56
0,57
0,36
1,26
1,25
1,31
1,25
1,25
1,38
1,14
1,16
1,18
1,16
1,16
1,22
1,03
1,05
1,06
1,06
1,05
1,04
0,91
0,96
0,93
0,94
0,96
0,89
0,80
0,86
0,78
0,82
0,86
0,72
0,68
0,77
0,65
0,69
0,71
0,54
0,56
0,67
0,48
0,55
0,56
0,33
TABLE 4 - Correction Factors L2 of the refrigeration capacity for pressure drops different from nominal values
Pressuredrop[bar]
0,01 0,03 0,05 0,10
L2 0,263 0,456 0,59 0,81 1,00 1,15 1,30 1,40 1,54 1,64 1,72 1,82 1,92 2,00
0,15 0,20 0,25 0,30 0,35 0,40 0,45 0,50 0,55 0,60
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Suction line Hot gas line
Q = Kv Q1 S1 S2 [kW]
15 = Kv 2,68 0,70 0,82
15Kv = = 9,75 [m3/h]
1,538
The result involves the selection of a 1078/9
valve with Kv = 10 [m3/h]
3) Hot gas line:
Valve selection under the following conditions:
Refrigerant: R407C
Set refrigeration capacity: 20 [kW]
Condensation: + 40 [C]Evaporation: 0 [C]
Set pressure drop: 0,5 [bar]
Q = Kv Q1 H1 H2 [kW]
20 = Kv 11,62 0,94 0.7
20
Kv = = 2,61 [m3/h]
7,64
The result involves the selection of a 1078/5
valve with Kv = 2,61 [m3/h]
APPLICATION EXAMPLES
1) Liquid line:
Evaluation of pressure drop across the valveunder the following working conditions:
Castel 1078/5 valve: Kv = 2,61 [m3/h]
Refrigerant: R407C
Set refrigeration capacity: 35 [kW]
Condensation: + 50 [C]
Evaporation: 0 [C]
Q = Kv Q1 L1 L2 [kW]
35 = 2,61 18,74 0,82 L2 [kW]
35
L2 = = 0,87
40,11
A pressure drop slightly above 0.11 bar
corresponds to the L2 = 0.87 correction factor.
Such a pressure drop is compatible with the
minimum differential pressure required by the
valve.
2) Suction line:
Valve selection under the following conditions:
Refrigerant: R407C
Set refrigeration capacity: 15 [kW]
Condensation: + 40 [C]Evaporation: 10 [C]
Set pressure drop: 0,1 [bar]
TABLE 5 - Correction Factors - S1 of the refrigeration capacity
for operating temperatures different fom nominal values
EvaporatingTemperature
[C] + 60 + 55 + 50 + 45 + 40 + 35 + 30
Condensing Temperature [C]
+10
0
10
20
30
40
0,87
0,67
0,51
0,35
0,36*
0,27*
0,92
0,73
0,55
0,39
0,38*
0,29*
0,98
0,78
0,59
0,43
0,41*
0,31*
1,04
0,83
0,64
0,50
0,35
0,43*
0,33*
1,11
0,85
0,70
0,53
0,37
0,46*
0,35*
1,17
0,96
0,76
0,57
0,39
0,48*
0,37*
1,23
1,01
0,80
0,60
0,45
0,50*
0,38*
TABLE 6 - Correction Factors - S2
of the refrigeration capa-
city for pressure drops different from nominal values
Pressuredrop[bar]
0,04 0,05 0,07 0,10 0,15 0,20 0,30 0,40 0,50 0,70
S2 0,47 0,57 0,68 0,82 1,00 1,15 1,40 1,64 1,82 2,15
TABLE 8 - Correction Factors - H2 of the refrigeration capa-
city for pressure drops different from nominal values
Pressuredrop[bar]
0,10 0,20 0,30 0,40 0,50 0,70 1,00 1,50 2,00 2,50
H2 0,32 0,45 0,54 0,65 0,70 0,83 1,00 1,17 1,30 1,44
TABLE 7 - Correction Factors - H1 of the refrigeration capacity
for operating temperatures different from nominal values
EvaporatingTemperature
[C] + 60 + 55 + 50 + 45 + 40 + 35 + 30
Condensing Temperature [C]
+10
0
10
20
30
40
1,00
0,83
0,76
1,00
0,90
0,76
1,00
0,92
0,79
0,67
1,03
0,92
0,80
0,71
1,04
0,94
0,84
0,72
0,60
1,05
0,95
0,87
0,76
0,65
0,58
1,05
0,95
0,88
0,77
0,68
0,61
*Two-stages pants,two indipendent circuits, with intermediate
temperature -10 C.
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Expansion valves
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diaphragm assembly by 1.5 meter length of
capillary tubing, which transmits bulb pressure
to the top of the valves diaphragm. The
sensing bulb pressure is a function of thetemperature of the thermostatic charge that is
the substance within the bulb.
The body is made from forged brass with
connection in angle configuration. The
interchangeable orifice assembly can be
replaced through the inlet connection. A steel
rod, inside the body, transfers the diaphragm
movement to the plug inside the orifice
assembly. When the thermostatic charge
pressure increases, the diaphragm will be
deflected downward transferring this motion to
the plug, which lifts from seat and allows the
liquid passing through orifice. A spring opposes
the force underneath the diaphragm and the
side spindle can adjust its tension. Static
superheat increases by turning the side spindle
clockwise and decreased by turning the spindle
counter clockwise.
The thermostatic element is hardly connected
by brazing to the forged brass body to avoid any
leakage.
The body assembly can be supplied with
internal or external equalizer; both types can
also be supplied either with flare connections
or with solder connections (outlet and externalequalizer if present).
The nuts for flare connection type and the inlet-
APPLICATION
Castel thermostatic expansion valves series 22
regulate the flow of refrigerant liquid intoevaporators; the liquid injection is controlled by
the refrigerant superheat.
The new Castel 22 series are designed to
work with interchangeable orifice assembly, to
provide flexibility in selection of capacities, and
can be used in a wide range of applications as
listed below:
Refrigeration systems (display cases in
supermarkets, freezers, ice cream and ice
maker machines, transport refrigeration etc).
Air conditioning systems
Heat pump systems Liquid chillers
which use refrigerant fluids proper to the Group
II (as defined in Article 9, Section 2.2, of
Directive 97/23/EC and referred to in Directive
67/548/EEC).
OPERATION
Castel thermostatic expansion valves acts as
throttle device between the high pressure and
the low pressure sides of refrigeration systems
and ensure that the rate of refrigerant flow into
the evaporator exactly matches the rate of
evaporation of liquid refrigerant in the
evaporator. If the actual superheat is higher
than the set point the valve feeds the
evaporator with more liquid refrigerant, if the
actual superheat is lower than the set point the
valve decreases the flow of liquid refrigerant to
the evaporator. Thus the evaporator is fully
utilized and no liquid refrigerant may reach the
compressor.
CONSTRUCTION
Castel thermostatic expansion valve series 22
is made up of two parts that must work
together: the first is the body, which is the
actuator of the regulator, and the second is the
orifice, which contains the valve and attends
the expansion of the refrigerating fluid.
Body assembly: two parts make it up: the
thermostatic (power) element and the body with
its inner elements.The thermostatic element is the motor of the
valve; a sensing bulb is connected to the
THERMOSTATIC EXPANSION VALVES SERIES 22WITH INTERCHANGEABLE ORIFICE ASSEMBLY
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TABLE 1a: General Characteristics of Body Assemblies of Liquid Charge Thermostatic Expansion Valves
externalequalizer
internalequalizer
Cataloguenumber
IN OUT Equal. OUT OUT Equal. min max
PS[bar]
SAE Flare ODS [mm] ODS [in]
Refrigerant
Evaporating
TemperatureRange
[C]
Maxbulb
temperature[C]
MOP
TS [C]Connections
2210/4E
2210/M12SE
2210/4SE
2220/4E
2220/M12SE
2220/4SE
2230/4E
2230/M12SE
2230/4SE
2210/4
2210/M12S
2210/4S
2220/4
2220/M12S
2220/4S
2230/4
2230/M12S
2230/4S
3/8"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/4"
1/4"
1/4"
12
12
12
12
12
12
Equal.
6
6
6
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/4"
1/4"
1/4"
R22
R407C
R134a
R404A
R507
- 40
+ 10
without 100
(1)-60 +120 34
RiskCategoryaccording
toPED
Art. 3.3
(1) When valve is installed. 60 C with element not mounted
TABLE 1b: General Characteristics of Body Assemblies of MOP Charge Thermostatic Expansion Valves
externalequalizer
internalequalizer
Cataloguenumber
IN OUT Equal. OUT OUT Equal. min max
PS[bar]
SAE Flare ODS [mm] ODS [in]
Refrigerant
Evaporating
temperature
Range[C]
Maxbulb
temperature[C]
MOP
TS [C]Connections
2211/4E
2211/M12SE
2211/4SE
2221/4E
2221/M12SE
2221/4SE
2231/4E
2231/M12SE
2231/4SE
2234/4E
2234/M12SE
2234/4SE
2211/4
2211/M12S
2211/4S
2221/4
2221/M12S
2221/4S
2231/4
2231/M12S
2231/4S
2234/4
2234/M12S
2234/4S
3/8"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/4"
1/4"
1/4"
1/4"
12
12
12
12
12
12
12
12
Equal.
6
6
6
6
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/4"
1/4"
1/4"
1/4"
R22
R407C
R134a
R404A
R507
- 40
+ 10
- 60
- 25
+ 15 C
(95 psi)
+ 15 C
(55 psi)
+ 15 C
(120 psi)
- 20 C
(30 psi)
100
(1)-60 +120 34
RiskCategoryaccording
toPED
Art. 3.3
(1) When valve is installed. 60 C with element not mounted
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charge cannot incorporate MOP functions.
Gas charge: the behaviour of valves with gas
charge will be determined by the lowest
temperature at any part of the expansion valve
(thermostatic element, capillary tube or bulb). If
any parts other than the bulb are subjected tothe lowest temperature, malfunction of
expansion valve may occur (charge migration).
Castel thermostatic expansion valves with gas
charge always feature MOP functions and
include ballasted bulb. Ballast in the bulb has a
damping effect on the valve regulation and
leads to slow opening and fast closure of the
valve.
MOP (Maximum Operating Pressure): this
functionality limits the evaporator pressure to a
maximum value to protect the compressor from
the overload condition (Motor Overload
Protection). MOP is the evaporating pressure at
which the expansion valve will throttle liquid
injection into the evaporator and thus prevent
the evaporating pressure from rising. Expansion
valve operates as superheat control in normal
working range and operates as pressure
regulator within MOP range. The MOP point will
change if the factory superheat setting of the
expansion valve is changed. Superheat
adjustments influence the MOP point as
following:
increase of superheatdecrease of MOP
decrease of superheat
increase of MOP
Superheat: this is the controlling parameter of
the expansion valve. Superheat, measured at
the evaporator outlet, is defined as the
difference between actual bulb temperature and
the evaporating temperature, deduce from
evaporator pressure. In order to prevent liquid
refrigerant from entering the compressor, a
certain minimum superheat must bemaintained. In expansion valve operation the
following terms are used:
Static superheat: its the superheat above
that the valve will begin to open. Castel
thermo expansion valves are factory preset
at the following values:
5 C for Castel valves without MOP
4 C for Castel valves with MOP
with nominal operating conditions (see table 2)
Opening superheat: its the superheat above
the static one required to produce a given
valve capacity Operating superheat: its the sum of static
and opening superheat
brazing adapter for solder connection type can
be ordered separately.
Every body assembly is supplied with a strap,
code G9150/R61 that allows fixing the bulb to
the pipe. This code can be ordered separately
too, as repair kit.
The main part of body assembly are made with
the following materials: stainless steel for bulb, capillary tubing,
diaphragm casing, diaphragm and rod
hot forged brass EN 12420 CW 617N for
body
brass EN 12164 CW 614N for superheat
setting spindle and spring holder
steel DIN 17223-1 for spring
copper tube EN 12735-1 Cu DHP for solder
connection
Orifice assembly: interchangeable orifice
assembly provide a wide range of capacity from
0,5 up to 15,5 kW (nominal capacity with R22).
The external cartridge contains the following
elements: housing, plug (metering device), seat,
spring and strainer. The rigid design of orifice
assembly and its internal components make
sure that plug and seat will withstand all types
of critical operations (liquid hammering,
cavitation, sudden variation of pressure and
temperature contaminants). The spring holds
the plug firmly to the seat to ensure the
minimum leakage through the valve; for positive
shut-off, the installation of a solenoid valve isrequired. Orifice assemblies are available in
these two solutions:
with conical flanged strainer, for valves with
SAE Flare threaded connections.
with flat flanged strainer, for valves with ODS
solder connections, to use with adapter
series 2271.
Orifice assemblies strainers can be cleaned or
exchanged, in this last case its possible to
order separately the following two types of
strainers.
strainer 2290 for valves with SAE Flarethreaded connections.
strainer 2290/S for valves with ODS solder
connections.
THERMOSTATIC CHARGES
Liquid charge: the behaviour of valves with
liquid charge is exclusively determined by
temperature changes at the bulb and not
subject to any cross-ambient interference. Theyfeature a fast response time and thus react
quickly in the control circuit. Castel
thermostatic expansion valves with liquid
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Subcooling: its defined as the difference
between the condensing temperature (deduced
from condensing pressure) and the actual
temperature at inlet valve. Subcooling generally
increases the capacity of refrigeration system
and may be accounted for when dimensioning
an expansion valve. Depending on system
design, subcooling may be necessary to
prevent flash gas from forming in the liquid line.If flash gas forms in the liquid line, the capacity
of expansion valve will be greatly reduced. All
capacity tables, in this chapter, are calculated
for a subcooling value of 4 C; if the actual
subcooling is higher than 4 C the valve
capacity comes from evaporator capacity
divided by the correction factor shown in the
tables below every capacity table.
41,
5
42
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chosen refrigerant.
Step 4
Select a thermostatic charge. Chose the type of
charge, liquid without MOP or gas with MOP, and
the temperature range, normal temperature or low
temperature.
Step 5
Determine if external equalizer is required.
External equalizer is always required if a
distributor is used or if there is an appreciable
difference in pressure from the valve outlet to the
bulb location. Finally determine the type of
connections and their sizes.
Step 6
Order the required componentsIf SAE Flare connections you have to order the
following two parts:
- Body assembly (see tabs 1a/1b)- Orifice assembly, completed with strainer (see
tab 2)
If ODS connections you have to order the following
three parts:
- Body assembly (see tabs 1a/1b)
- Orifice assembly, completed with strainer
(see tab 2)
- Solder adapter (see tab. 3)
SELECTION
To correctly select a thermo expansion valve on a
refrigerating system, the following design
conditions must be available:
Type of refrigerant
Evaporator capacity, Qe
Evaporating temperature/pressure, Te/ peLowest possible condensing temperature/
pressure, Tc/ pcLiquid refrigerant temperature, TlPressure drop in the liquid line, distributor and
evaporator, p
The following procedure helps to select the correct
valve for the system.
Step 1
Determine the pressure drop across the valve.
The pressure drop is calculated by the formula:
where:
Pc = condensing pressure
Pe = evaporating pressure
p = sum of pressure drops in the liquid line,
distributor and evaporator
Step 2
Determine required valve capacity. Use the
evaporating capacity Qe to select the requiredvalve size at a given evaporating temperature. If
necessary, correct the evaporator capacity for
subcooling. Subcooling liquid refrigerant entering
the evaporator increase the evaporator capacity,
so that a smaller valve may be required.
The subcooling is calculated by the formula:
From the subcooling corrector factor table find the
appropriate corrector factor Fsub corresponding tothe Tsub calculated and determine the required
valve capacity by the formula:
Step 3
Determine required orifice size. Use the pressure
drop across the valve, the evaporating
temperature and the calculated evaporator
capacity to select the corresponding orifice size
from the capacity table corresponding to the
sub
esub F
QQ =
lcsub TTT =
( )pppp ectot +=
TABLE 2: Orifice Assemblies - Rated Capacities in kW
Valves withSAE Flare
connections
Catalogue number
Valves withODS
connectionsR22
R407CR134a
R404AR507
R404AR507
Evaporating Temperature Range [C]
- 40 + 10 -60 -25
220X
2200
2201
2202
2203
2204
2205
2206
220X/S
2200/S
2201/S
2202/S
2203/S
2204/S
2205/S
2206/S
0,5
1,0
2,5
3,5
5,2
8,0
10,5
15,5
0,4
0,9
1,8
2,6
4,6
6,7
8,6
10,5
0,38
0,7
1,6
2,1
4,2
6,0
7,7
9,1
0,38
0,7
1,6
2,1
3,5
4,9
6,0
6,6
Rated capacities, for temperature range
- 40 + 10, are based on:
Evaporating temperature Tevap = + 5 C
Condensing temperature Tcond = + 32 C
Refrigerant liquid temperature ahead
of valve Tliq = + 28 C
Rated capacities, for temperature range
- 60 - 25, are based on:
Evaporating temperature Tevap = - 30 C
Condensing temperature Tcond = + 32 C
Refrigerant liquid temperature ahead
of valve Tliq = + 28 C
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pressure drop across the valve = 4,2 bar
evaporating temperature = - 10 C
calculated evaporator capacity = 5,55 kW
select the corresponding orifice 2205 (N.B.:
the expansion valve capacity must be equal
or slightly more than the calculated
evaporator capacity)
MARKING
Main valve data are indicated on the upper side
of the thermostat ic element and on the
cartridge surface of the orifice assembly.
On the thermostatic element you may find the
following data:
The valve code number
The refrigerant
The evaporating temperature range
The MOP value, if present
The maximum allowable pressure PS
The date of production
On the cartridge of orifice assembly you may
find the following data:
The size of the orifice
The date of production
On the plastic cap of the orifice assembly
package the orifice size is marked. The cap can
easily be fastened around the valve capillary
tube to clearly identify the valve size.
TABLE 3: Solder adapters
Catalogue numberODS Connections
[in] [mm]
2271/M6S
2271/2S
2271/3S
2271/M10S
1/4"
3/8"
6
10
SIZING EXAMPLE
Type of refrigerant R134a
Evaporator capacity, Qe 6 kW
Evaporating temperature/
pressure, Te - 10 C
Lowest possible condensing
temperature/pressure, Tc + 30 C
Liquid refrigerant temperature, Tl + 20 C
Pressure drop in the liquid line, distributor
and evaporator, p 1,5 bar
STEP 1 - Determine the pressure drop across
the valve
Condensing pressure at
+ 30 C - pc = 6,71 bar
Evaporating pressure at
- 10 C - pe = 1,01 bar
ptot = 6,71 ( 1,01 + 1,5 ) = 4,2 bar
STEP 2 - Determine required valve capacity
Tsub = 30 20 = 10 C
From the subcooling corrector factor table 5b,
we find the appropriate corrector factor Fsubequal to 1,08 for Tsub = 10 C Required valve
capacity is:
Qsub =6/1,08 = 5,55 kW
STEP 3 - Determine required orifice size
Using the capacity table for R134a on page 25
with:
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TABLE 4a: Refrigerant R22/R407C - Capacities in kW for temperature range - 40 C +10 C
Orificecode
Orificecode
Pressure drop across valve [bar] Pressure drop across valve [bar]
2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 16
Evaporating temperature = 0 C
220X 0,37 0,48 0,55 0,59 0,63 0,65 0,66 0,66
2200 0,84 1,0 1,2 1,3 1,3 1,4 1,4 1,4
2201 1,9 2,4 2,7 3,0 3,1 3,2 3,3 3,32202 2,6 3,4 4,0 4,3 4,6 4,8 4,9 5,0
2203 4,6 6,1 7,1 7,8 8,2 8,5 8,7 8,8
2204 6,9 9,1 10,5 11,5 12,2 12,7 13,0 13,2
2205 8,8 11,6 13,3 14,6 15,5 16,1 16,4 16,6
2206 10,8 14,2 16,3 17,8 18,9 19,6 20,0 20,2
Evaporating temperature =-20 C
220X 0,44 0,50 0,54 0,57 0,59 0,61 0,61
2200 0,88 1,0 1,1 1,1 1,2 1,2 1,2
2201 1,7 1,9 2,0 2,2 2,3 2,3 2,3
2202 2,4 2,7 2,9 3,1 3,2 3,3 3,3
2203 4,2 4,8 5,2 5,5 5,8 5,9 6,0
2204 6,2 7,1 7,7 8,2 8,5 8,7 8,8
2205 7,9 9,0 9,8 10,3 10,8 11,0 11,2
2206 9,6 11,0 11,9 12,6 13,1 13,5 13,7
Evaporating temperature = -40 C
220X 0,42 0,45 0,48 0,50 0,52 0,53
2200 0,8 0,86 0,92 0,95 0,98 0,99
2201 1,3 1,4 1,4 1,5 1,5 1,6
2202 1,7 1,9 2,0 2,0 2,1 2,1
2203 3,1 3,4 3,5 3,7 3,8 3,8
2204 4,6 4,9 5,2 5,4 5,6 5,7
2205 5,8 6,3 6,6 6,9 7,1 7,2
2206 7,1 7,7 8,1 8,4 8,7 8,8
Evaporating temperature = +10 C
220X 0,37 0,48 0,55 0,60 0,63 0,65 0,65 0,67
2200 0,87 1,1 1,2 1,3 1,4 1,4 1,4 1,5
2201 2,2 2,8 3,2 3,4 3,6 3,7 3,8 3,82202 3,0 4,0 4,7 5,1 5,4 5,6 5,8 5,8
2203 5,4 7,2 8,3 9,1 9,7 10,0 10,2 10,3
2204 8,1 10,8 12,5 13,8 14,5 15,0 15,5 15,5
2205 10,2 13,6 15,7 17,2 18,3 18,9 19,3 19,5
2206 12,6 16,7 19,3 21,0 22,3 23,1 23,5 23,7
Evaporating temperature = -10 C
220X 0,37 0,47 0,53 0,57 0,60 0,63 0,64 0,64
2200 0,79 0,96 1,1 1,2 1,2 1,3 1,3 1,3
2201 1,6 2,0 2,3 2,5 2,6 2,7 2,8 2,8
2202 2,2 2,9 3,3 3,6 3,8 4,0 4,1 4,1
2203 3,9 5,1 5,9 6,4 6,8 7,1 7,3 7,3
2204 5,8 7,6 8,7 9,5 10,1 10,5 10,8 10,9
2205 7,4 9,6 11,0 12,0 12,8 13,3 13,6 13,8
2206 9,1 11,6 13,5 14,7 15,6 16,2 16,6 16,8
Evaporating temperature = -30 C
220X 0,40 0,45 0,49 0,52 0,55 0,56 0,57
2200 0,79 0,9 0,96 1,0 1,1 1,1 1,1
2201 1,4 1,5 1,7 1,8 1,8 1,9 1,9
2202 1,9 2,2 2,7 2,5 2,6 2,6 2,7
2203 3,4 3,9 4,2 4,4 4,6 4,7 4,8
2204 5,0 5,7 6,2 6,6 6,8 7,0 7,1
2205 6,4 7,2 7,8 8,3 8,6 8,8 9,0
2206 7,8 8,8 9,6 10,1 10,5 10,8 11,0
TABLE 4b: Refrigerant R22/R407C - Correction factor for subcooling tsub > 4 C
tsub [C] 4 10 15 20 25 30 35 40 45 50
Fsub 1,00 1,06 1,11 1,15 1,20 1,25 1,30 1,35 1,39 1,44
When subcooling ahead of the expansion valve is over than 4 C, adjust the evaporator capacity by dividing by the appropriate
correction factor found in table 4b
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TABLE 5a: Refrigerant R134a Capacities in kW for temperature range - 40 C + 10 C
Orificecode
Orificecode
Pressure drop accross valve [bar] Pressure drop accross valve [bar]
2 4 6 8 10 2 4 6 8 10
Evaporating temperature = 0 C
220X 0,33 0,42 0,46 0,47 0,49
2200 0,65 0,78 0,86 0,89 0,91
2201 1,3 1,6 1,7 1,8 1,82202 1,7 2,2 2,4 2,6 2,6
2203 3,0 3,9 4,4 4,6 4,7
2204 4,5 5,7 6,4 6,8 7,0
2205 5,7 7,3 8,1 8,6 8,8
2206 7,0 8,9 1,0 10,5 10,8
Evaporating temperature = -20 C
220X 0,28 0,35 0,39 0,41 0,42
2200 0,53 0,62 0,69 0,72 0,73
2201 0,81 1,0 1,1 1,2 1,2
2202 1,1 1,4 1,5 1,6 1,7
2203 2,0 2,5 2,8 2,9 3,0
2204 2,9 3,6 4,0 4,3 4,4
2205 3,7 4,6 5,1 5,4 5,5
2206 4,5 5,6 6,2 6,6 6,8
Evaporating temperature = -40 C
220X 0,23 0,28 0,32 0,33 0,34
2200 0,44 0,50 0,54 0,56 0,57
2201 0,54 0,65 0,72 0,78 0,77
2202 0,7 0,9 1,0 1,0 1,0
2203 1,3 1,6 1,8 1,9 1,9
2204 1,9 2,3 2,6 2,7 2,7
2205 2,4 2,9 3,2 3,5 3,5
2206 3,0 3,6 4,0 4,2 4,3
Evaporating temperature = +10 C
220X 0,34 0,43 0,47 0,50 0,51
2200 0,71 0,86 0,93 0,97 0,98
2201 1,5 1,9 2,1 2,2 2,22202 2,0 2,6 3,0 3,1 3,2
2203 3,6 4,7 5,3 5,6 5,8
2204 5,4 7,0 7,8 8,3 8,6
2205 6,9 8,9 9,9 10,8 10,9
2206 8,4 10,8 12,1 12,8 13,2
Evaporating temperature = -10 C
220X 0,30 0,36 0,43 0,44 0,44
2200 0,59 0,70 0,77 0,81 0,82
2201 1,0 1,3 1,4 1,5 1,5
2202 1,4 1,8 2,0 2,1 2,1
2203 2,5 3,1 3,5 3,7 3,8
2204 3,6 4,6 5,1 5,4 5,6
2205 4,6 5,8 6,5 6,9 7,1
2206 5,7 7,1 8,0 8,4 8,6
Evaporating temperature = -30 C
220X 0,25 0,32 0,35 0,37 0,38
2200 0,48 0,55 0,61 0,64 0,64
2201 0,66 0,80 0,88 0,93 0,95
2202 0,9 1,1 1,2 1,3 1,3
2203 1,6 2,0 2,2 2,3 2,3
2204 2,3 2,9 3,2 3,3 3,4
2205 3,0 3,6 4,0 4,2 4,3
2206 3,6 4,4 4,9 5,2 5,3
TABLE 5b: Refrigerant R134a - Correction factor for subcooling tsub > 4 C
tsub [C] 4 10 15 20 25 30 35 40 45 50
Fsub 1,00 1,08 1,13 1,19 1,25 1,31 1,37 1,42 1,48 1,54
When subcooling ahead of the expansion valve is over than 4 C, adjust the evaporator capacity by dividing by the appropriate
correction factor found in table 5b
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TABLE 6a: Refrigerant R404A/R507 Capacities in kW for temperature range - 40 C + 10 C
Orificecode
Orificecode
Pressure drop across valve [bar] Pressure drop across valve [bar]
2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 16
Evaporating temperature = 0 C
220X 0,30 0,37 0,41 0,42 0,43 0,43 0,43 0,41
2200 0,68 0,80 0,87 0,90 0,92 0,93 0,91 0,87
2201 1,53 1,86 2,04 2,13 2,18 2,18 2,15 2,082202 2,06 2,64 2,95 3,13 3,22 3,25 3,21 3,11
2203 3,68 4,72 5,27 5,59 5,75 5,80 5,73 5,55
2204 5,49 7,15 7,86 8,33 8,58 8,64 8,53 8,27
2205 6,97 8,92 9,95 10,52 10,83 10,90 10,76 10,43
2206 8,57 10,93 12,16 12,85 13,21 13,30 13,12 12,72
Evaporating temperature = -20 C
220X 0,35 0,38 0,40 0,39 0,40 0,39 0,38
2200 0,70 0,75 0,77 0,79 0,79 0,79 0,76
2201 1,34 1,45 1,50 1,52 1,52 1,51 1,47
2202 1,85 2,04 2,14 2,17 2,18 2,16 2,09
2203 3,32 3,66 3,83 3,89 3,90 3,86 3,75
2204 4,88 5,40 5,64 5,75 5,77 5,71 5,56
2205 6,20 6,86 7,17 7,29 7,31 7,23 7,05
2206 7,60 8,39 8,75 8,91 8,93 8,84 8,61
Evaporating temperature = -40 C
220X 0,32 0,33 0,33 0,33 0,32 0,32
2200 0,60 0,61 0,62 0,61 0,60 0,59
2201 0,92 0,96 0,97 0,96 0,94 0,91
2202 1,27 1,32 1,33 1,31 1,28 1,24
2203 2,28 2,36 2,38 2,36 2,31 2,24
2204 3,34 3,47 3,50 3,48 3,42 3,33
2205 4,25 4,41 4,45 4,43 4,36 4,24
2206 5,19 5,39 5,45 5,42 5,33 5,19
Evaporating temperature = +10 C
220X 0,28 0,35 0,40 0,42 0,43 0,43 0,42 0,41
2200 0,67 0,82 0,90 0,94 0,96 0,96 0,93 0,90
2201 1,70 2,10 2,30 2,42 2,48 2,46 2,41 2,342202 2,32 3,00 3,39 3,61 3,73 3,74 3,68 3,59
2203 4,15 5,36 6,03 6,43 6,63 6,66 6,55 6,39
2204 6,24 8,06 9,06 9,66 9,95 9,98 9,81 9,57
2205 7,91 10,17 11,43 12,16 12,53 12,56 12,34 12,03
2206 9,71 12,47 13,98 14,86 15,29 15,31 15,05 14,66
Evaporating temperature = -10 C
220X 0,30 0,37 0,40 0,42 0,42 0,42 0,41 0,41
2200 0,65 0,76 0,82 0,84 0,87 0,87 0,85 0,83
2201 1,31 1,61 1,74 1,81 1,84 1,85 1,84 1,78
2202 1,76 2,24 2,50 2,62 2,69 2,71 2,68 2,60
2203 3,14 4,02 4,47 4,69 4,81 4,84 4,79 4,65
2204 4,66 5,97 6,61 6,95 7,13 7,18 7,11 6,91
2205 5,93 7,57 8,39 8,81 9,02 9,08 8,99 8,73
2206 7,28 9,27 10,26 10,76 11,00 11,08 10,97 10,65
Evaporating temperature = -30 C
220X 0,35 0,37 0,36 0,37 0,36 0,35
2200 0,67 0,70 0,70 0,70 0,69 0,67
2201 1,18 1,21 1,23 1,21 1,20 1,17
2202 1,63 1,69 1,71 1,70 1,68 1,64
2203 2,93 3,04 3,07 3,06 3,02 2,93
2204 4,28 4,47 4,52 4,51 4,46 4,35
2205 5,45 5,68 5,74 5,74 5,67 5,52
2206 6,66 6,94 7,02 7,01 6,93 6,75
TABLE 6b: Refrigerant R404A/R507 - Correction factor for subcooling tsub > 4 C
tsub [C] 4 10 15 20 25 30 35 40 45 50
Fsub 1,00 1,10 1,20 1,29 1,37 1,46 1,54 1,63 1,70 1,78
When subcooling ahead of the expansion valve is over than 4 C, adjust the evaporator capacity by dividing by the appropriate
correction factor found in table 6b
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TABLE 7a: Refrigerant R404A/R507 Capacities in kW for temperature range - 60 C - 25 C
Orificecode
Orificecode
Pressure drop across valve [bar] Pressure drop across valve [bar]
2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 16
Evaporating temperature = -30 C
2200 0,53 0,64 0,67 0,70 0,70 0,70 0,69 0,67
2201 0,88 1,07 1,18 1,21 1,23 1,21 1,20 1,17
2202 1,18 1,47 1,63 1,69 1,71 1,70 1,68 1,642203 2,12 2,65 2,93 3,04 3,07 3,05 3,02 2,93
2204 3,09 3,88 4,28 4,47 4,52 4,51 4,46 4,35
2205 3,94 4,94 5,45 5,68 5,74 5,74 5,67 5,52
2206 4,83 6,06 6,66 6,94 7,02 7,01 6,93 6,75
Evaporating temperature = -50 C
2200 0,49 0,53 0,54 0,54 0,53 0,52 0,50
2201 0,51 0,57 0,60 0,60 0,60 0,60 0,59
2202 0,91 0,99 1,02 1,02 1,01 0,98 0,95
2203 1,63 1,73 1,84 1,84 1,81 1,78 1,72
2204 2,36 2,60 2,69 2,71 2,68 2,63 2,56
2205 3,02 3,30 3,43 3,45 3,42 3,35 3,26
2206 3,69 4,04 4,20 4,22 4,18 4,12 4,00
Evaporating temperature = -25 C
2200 0,57 0,67 0,72 0,73 0,74 0,85 0,74 0,71
2201 0,98 1,20 1,31 1,36 1,37 1,37 1,35 1,31
2202 1,31 1,65 1,83 1,91 1,93 1,93 1,90 1,852203 2,35 2,97 3,28 3,42 3,47 3,46 3,42 3,32
2204 3,45 4,37 4,82 5,04 5,11 5,12 5,06 4,93
2205 4,40 5,56 6,14 6,40 6,49 6,49 6,42 6,26
2206 5,40 6,30 7,49 7,81 7,93 7,93 7,85 7,64
Evaporating temperature = -40 C
2200 0,56 0,60 0,61 0,62 0,61 0,60 0,59
2201 0,65 0,72 0,75 0,77 0,77 0,77 0,75
2202 1,17 1,27 1,32 1,33 1,31 1,28 1,24
2203 2,09 2,28 2,36 2,38 2,36 2,31 2,24
2204 3,03 3,34 3,47 3,50 3,48 3,42 3,33
2205 3,87 4,25 4,41 4,45 4,43 4,36 4,24
2206 4,73 5,19 5,39 5,45 5,47 5,33 5,19
Evaporating temperature = -60 C
2200 0,46 0,48 0,47 0,45 0,45 0,43
2201 0,58 0,60 0,60 0,58 0,56 0,54
2202 0,78 0,80 0,80 0,78 0,75 0,72
2203 1,40 1,44 1,43 1,40 1,36 1,30
2204 2,04 2,11 2,11 2,07 2,03 1,96
2205 2,59 2,69 2,66 2,65 2,59 2,50
2206 3,16 3,28 3,30 3,25 3,18 3,07
TABLE 7b: Refrigerant R404A/R507 - Correction factor for subcooling tsub > 4 C
tsub [C] 4 10 15 20 25 30 35 40 45 50
Fsub 1,00 1,10 1,20 1,29 1,37 1,46 1,54 1,63 1,70 1,78
When subcooling ahead of the expansion valve is over than 4 C, adjust the evaporator capacity by dividing by the appropriate
correction factor found in table 7b
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PWM SOLENOID EXPANSION VALVE WITHINTERCHANGEABLE ORIFICE
APPLICATION
Solenoid expansion valve Castel type 2028
regulates the refrigerant flow into theevaporator by modulating the opening time
phase of the plug and so permitting a wide
range of power.
This valve must be used with a coil type HM4
(see table 2), controlled by an electronic
regulator device (not supplied by Castel).
This valve is most frequently used in
refrigeration systems, in particular refrigerated
cabinets in the supermarket, which use
refrigerant fluids proper to the Group II (as
defined in Article 9, Section 2.2 of Directive
97/23/CE, and referred in Directive67/548/CE).
OPERATION
Valve type 2028 is a lamination device that
receives liquid from the condenser and injects
it into the evaporator, operating the necessary
pressure drop across the expansion orifice.
Its an ON/OFF valve that must be regulated
with the Pulse Width Modulation (PWM)
method and it can be actuated by a very simple
electronic controller. In according to the PWM
method, the evaporator refrigerant capacity QT,
required in a fixed period T, is delivered by
the valve in a time interval t, shorter than
T. During the period t the valve opens and
permits maximum flow (ON phase); in the
remaining period T-t the valve closes with no
flow (OFF phase).
For an effective PWM regulation, the valve must
be sized in such a way that in the hardest
conditions of the system, the orifice of the
valve is big enough to deliver the refrigerant
requested; in these extreme conditions the
valve will last opened for the entire period T.
The use of an electronic regulator allows a
more accurate metering of the refrigerant
reaching a greater efficiency (and then a
sensible decrement of the machinery
management costs) and a faster response to
the variations of the evaporation load.
CONSTRUCTION
Valve is supplied complete with its orifice; there
are seven different orifices corresponding toseven different evaporator capacities , that
increase passing from orifice 01 to orifice 07.
The last two numbers in the code identify what
size of orifice has been mounted on the valve
into the factory; for example the code
2028/3S02 identifies a valve with 3/8 solder
connections, size 02 orifice. The orifices are
interchangeable and can be mounted even if
the valve is soldered on the system; in this
case use the corresponding spare parts kit, in
according to table 3.
The main parts of the valves are made with the
following materials:
Hot forged brass EN 12420 CW 617N for
body and the housing pipe of the mobile plug
Copper tube EN 12735-1 Cu-DHP for solder
connections
Austenitic stainless steel EN 10088-3
1.4301 for the filter
Ferritic stainless steel EN 10088-3 1.4105
for mobile and fixed plugs
Austenitic stainless steel EN 10088-3
1.4305 for orifices
Chloroprene rubber (CR) for outlet seal
gaskets
P.T.F.E. for seat gaskets
COILS AND CONNECTORS
Coils type HM4 must be mounted on these
valves. Table 2 presents the most important
characteristics of coils and corresponding
connectors. For further technical characteristics
about HM4 coils and their connectors see to
the solenoid valve chapter.
SELECTION
To correctly select a solenoid expansion valve
on a refrigerating system, the following design
conditions must be available:
Type of refrigerant
Evaporator capacity, Qe Evaporating temperature/pressure, Te/ pe Lowest possible condensing
temperature/pressure, Tc/ pc Liquid refrigerant temperature, Tl Pressure drop in the liquid line, distributor
and evaporator, p
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TABLE 1: General Characteristics of PWM solenoid expansion valves
Cataloguenumber
0,5 0,01
0,07 0,017
0,8 0,023
1,1 0,043
1,3 0,065
1,7 0,113
2,3 0,2
OrificeFlow[mm]
KvFactor[m3/h] MinOPD
0 18PWM
(PulseWidthModulating)
1 -40 100 45 Art.
3.3
MOPD
AC/RAC DC
Operating
principles Minimum
workingtime[s]
Opening pressure differential [bar]
min max
PS[bar]
TS [C]
ODS Connections
[mm][in]
IN OUT IN OUT
RiskCategoryaccording
toPED
2028/3S01 3/8 1/2
2028/M10S01 10 12
2028/3S02 3/8 1/2 2028/M10S02 10 12
2028/3S03 3/8 1/2
2028/M10S03 10 12
2028/3S04 3/8 1/2
2028/M10S04 10 12
2028/3S05 3/8 1/2
2028/M10S05 10 12
2028/3S06 3/8 1/2
2028/M10S06 10 12
2028/4S07 1/2 5/8
2028/M12S07 12 16
18
14
Nominal capacities are referred to:
Evaporating temperature Tevap = +5C
Condensating temperature Tcond = +32C
inlet temperature of liquid Tliq = +28C
The following procedure helps to select the
correct valve for the system.
Step 1
Determine the pressure drop across the valve.
The pressure drop is calculated by the formula:
( )pppp ectot +=
where:
Pc = condensing pressure
Pe = evaporating pressure
p = sum of pressure drops in the liquid line,
distributor and evaporator
Step 2
Subcooling correction. Use the evaporating
capacity Qe to select the required valve size ata given evaporating temperature. If necessary,
TABLE 2: General Characteristic of coils
Coiltype Protection
DegreeIP65
ProtectionDegree
IP65/IP68
ConnectionsConsumption at 20C [mA]
Start
50 [Hz] D.C. 50 [Hz] D.C.
WorkingFrequency[Hz]
Voltagetolerance [%]
Voltage[V]
Cataloguenumber
HM4
9160/RA2
9160/RA6
9160/RD1
9160/RD2
24 A.C.
220/230 A.C.
12 D.C.
24 D.C.
1490
162
-
700
76
-
-
1350
650
-
1350
650
+6 / -10
+10 / -15
50
-
9155/R019150/R02
TABLE 3: Orifice Nominal capacities in kW
Catalogue number
Refrigerent
Orifice type
Orifice size
[mm] R22 R134aR404A
R507
R407C R410A
9150/R63 01 0,5 1 0,9 0,8 1,1 1,3
9150/R64 02 0,7 1,9 1,7 1,6 2 2,4
9150/R65 03 0,8 2,5 2 1,9 2,4 3
9150/R66 04 1,1 3,9 3,2 2,9 3,8 4,8
9150/R67 05 1,3 6,7 5,6 5,1 6,7 8,4
9150/R68 06 1,7 9,2 7,7 7 9,1 11,4
9150/R69 07 2,3 14,7 12,2 11,3 15,3 18,2
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a given evaporating temperature. If necessary,
correct the evaporator capacity for subcooling.
Subcooling liquid refrigerant entering the
evaporator increase the evaporator capacity, so
that a smaller valve may be required. The
subcooling is calculated by the formula:
From the subcooling corrector factor table find
the appropriate corrector factor Fsubcorresponding to the !Tsub calculated and
determine the required valve capacity by the
formula:
Qsub = Fsub . Qe
Step 3
Application correction. To obtain a correct
regulation with this valve, is necessary to
oversize it so its closing period is between the
25% and the 50% of the total period T of the
regulator. The correct choice of this closing
period depends on the application, that can
have peaks of load, and on the criterion used by
the electronic regulator.
Generally, anyway, this correcting factor Fev is
str ict ly dependent by the evaporat ion
temperature so it be assumed that Fev = 1.25
for Tev >= -15C and Fev = 1.50 for Tev
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TABLE 4: Refrigerant R22 Capacities in kW
2
Pressure drop across valve [bar]Orifice
type 4 68 10 12 14 16 18
01 0,7 0,9 1,0 1,1 1,2 1,2 1,2 1,2 1,2
02 1,3 1,7 1,9 2,2 2,2 2,3 2,3 2,4 2,3
03 1,7 2,2 2,5 2,7 2,8 2,9 2,9 2,9 2,9
04 2,7 3,4 3,9 4,2 4,4 4,5 4,6 4,7 4,7
05 4,6 6,0 6,7 7,2 7,6 7,9 8,0 8,1 8,1
06 6,3 8,1 9,2 9,9 10,4 10,6 10,9 11,0 11,1
07 10,1 13,0 14,7 15,8 16,6 17,0 17,4 17,6 (1) 17,4 (2)
TABLE 5: Refrigerant R134a Capacities in kW
2
Pressure drop across valve [bar]Orifice
type 4 6 8 10 12 14 16 18
01 0,6 0,8 0,9 0,9 0,9 0,9 0,9 0,9 0,9
02 1,1 1,4 1,7 1,7 1,8 1,8 1,8 1,8 1,7
03 1,4 1,8 2,0 2,2 2,2 2,3 2,3 2,2 2,2
04 2,3 2,9 3,2 3,4 3,5 3,6 3,6 3,5 3,4
05 3,9 5,0 5,6 6,0 6,2 6,2 6,2 6,2 6,0
06 5,3 6,8 7,7 8,1 8,4 8,5 8,5 8,4 8,1
07 8,5 10,9 12,2 13,0 13,3 13,5 13,5 13,3 (1) 13 (2)
TABLE 6: Refrigerant R404A/R507 Capacities in kW
2
Pressure drop across valve [bar]Orifice
type 4 68 10 12 14 16 18
01 0,6 0,7 0,8 0,8 0,9 0,8 0,8 0,8 0,8
02 1,1 1,3 1,6 1,6 1,7 1,7 1,6 1,6 1,4
03 1,3 1,7 1,9 2,0 2,0 2,0 2,0 1,9 1,8
04 2,2 2,8 2,9 3,1 3,2 3,2 3,1 3,1 2,9
05 3,8 4,7 5,1 5,5 5,6 5,6 5,6 5,4 5,1
06 5,0 6,4 7,0 7,4 7,6 7,7 7,6 7,4 6,9
07 8,1 10,3 11,3 11,9 12,2 12,2 12,1 11,8 (1) 11,2 (2)
TABLE 7: Refrigerant R407C Capacities in kW
2
Pressure drop across valve [bar]Orifice
type 4 6 8 10 12 14 16 18
01 0,7 1,0 1,1 1,1 1,2 1,2 1,2 1,2 1,2
02 1,4 1,8 2,0 2,0 2,3 2,3 2,4 2,4 2,3
03 1,7 2,3 2,4 2,7 2,8 2,9 2,9 2,9 2,9
04 2,9 3,6 3,8 4,3 4,5 4,6 4,7 4,7 4,7
05 4,9 6,2 6,7 7,5 7,8 7,9 8,1 8,1 8,0
06 6,7 8,5 9,1 10,2 10,5 10,8 11,0 11,0 10,9
07 10,7 13,6 15,3 15,7 16,9 17,2 17,6 17,6 (1) 17,2 (2)
(1) Pressure differential not available with coils 9160/RD2
(2) Pressure differential not available with coils 9160/RD1 and 9160/RD2
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TABLE 8: Refrigerant R410A Capacities in kW
2
Pressure drop across valve [bar]Orifice
type 4 68 10 12 14 16 18
01 0,9 1,1 1,3 1,4 1,5 1,5 1,6 1,6 1,6
02 1,7 2,2 2,4 2,6 2,8 2,9 3,0 3,0 3,0
03 2,0 2,7 3,0 3,2 3,4 3,6 3,7 3,7 3,8
04 3,2 4,2 4,8 5,2 5,5 5,7 5,9 6,0 6,1
05 5,6 7,4 8,4 9,1 9,6 10,0 10,2 10,4 10,9
06 7,7 10,0 11,4 12,3 13,1 13,5 13,9 14,1 14,3
07 12,2 15,9 18,2 19,8 20,9 21,6 22,2 22,7 (1) 22,9 (2)
TABLE 9: Correction factor for subcooling tsub > 4C
4KRefrigerant 10K 15K 20K 25K 30K 35K 40K 45K 50K
R22 1 0,94 0,9 0,87 0,83 0,8 0,77 0,74 0,72 0,69
R134a 1 093 0,88 0,84 0,8 0,76 0,73 0,7 0,68 0,65
R404A/R507 1 0,91 0,83 0,78 0,73 0,68 0,65 0,61 0,59 0,56
R407C 1 0,93 0,88 0,83 0,79 0,75 0,72 0,69 0,66 0,64
R410A 1 0,95 0,9 0,85 0,81 0,77 0,73 0,7 0,67 0,64
When subcooling ahead of the expansion valve is over than 4 C, adjust the evaporator capacity by dividing by the appropriate
correction factor found in table 8
(1) Pressure differential not available with coils 9160/RD2
(2) Pressure differential not available with coils 9160/RD1 and 9160/RD2
The dimensions in brakets are referred to 2028/4S07 & 2028/M12S07 models
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Solenoid valves
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cover;
chloroprene rubber (CR) for outlet seal
gaskets;
P.T.F.E. for seat gaskets.
INSTALLATION
The valves can be installed in all sections of a
refrigerating system, in compliance with the
limits and capacities indicated in Tables 3 and 6.
Tables 1 and 4 show the following functional
characteristics of a solenoid valve:
PS;
TS;
Kv factor;
minimum Opening Pressure Differential
(minOPD), that is the minimum pressure
differential between inlet and outlet at which
a solenoid valve, pilot operated, can open
and stay opened;
maximum Opening Pressure Differential
(MOPD according to ARI STANDARD 760:
2001), that is the maximum pressure
differential between inlet and outlet at which
a solenoid valve, pilot operated, can open.
Before connecting the valve to the pipe it is
advisable to make sure that the refrigerating
system is clean. In fact the valves with P.T.F.E.gaskets are particularly sensitive to dirt and
debris.
Furthermore check that the flow direction in the
pipe corresponds to the arrow stamped on the
body of the valve.
All valves can be mounted in whatever position
except with the coil pointing downwards.
The brazing of valves with solder connections
should be carried out with care, using a low
melting point filler material. It is not necessary
to disassemble the valves before brazing but
its important to avoid direct contact betweenthe torch flame and the valve body, which could
be damaged and compromise the proper
functioning of the valve.
Before connecting a valve to the electrical
system, be sure that the line voltage and
frequency correspond to the values marked on
the coil.
The NO valves have been designed to work only
with direct current coils.
To use them in applications with 220/230 VAC
suplly its necessary to mate the NO valve with
the following components:Coil 9120/RD6 +
Connector/ Rectifier 9150/R45
APPLICATIONS
The solenoid valves, shown in this chapter, are
classified Pressure accessories in the senseof the Pressure Equipment Directive 97/23/EC,
Article 1, Section 2.1.4 and are subject of
Article 3, Section 1.3 of the same Directive.
They are designed for installation on
commercial refrigerating systems and on civil
and industrial conditioning plants, which use
refrigerant fluids proper to the Group II (as
defined in Article 9, Section 2.2 of Directive
97/23/EC and referred to in Directive
67/548/EEC).
OPERATION
The valves series 1020; 1028; 1050; 1058;
1059; 1064; 1068; 1070; 1078; 1079; 1090;
1098; 1099 are normally closed.
NC = when the coil is de-energised the plunger
stops the refrigerant flow.
The valves series 1150; 1158; 1164; 1168;
1170; 1178;1190; 1198 are normally open.
NO = when the coil is energised the plunger
stops the refrigerant flow.
The valves series 1020 and 1028 are direct
acting, while the valves of all the other series
are pilot operated, with diaphragm or piston.
The NC valves are supplied either without coil
(S type) or with coil (example: A6 type with coil
HM2220 Vac).
The NO valves are supplied only without coil (S
type).
N.B.: the NO valve visually differs from the
corresponding NC model by means of the red
ring installed below the yellow nut that fastens
the coil.
CONSTRUCTION
The main parts of the valves are made with the
following materials:
hot forged brass EN 12420 CW 617N for
body and cover;
copper tube EN 12735-1 Cu-DHP for solder
connections;
austenitic stainless steel EN 10088-2
1.4303 for enclosure where the plunger
moves;
ferritic stainless steel EN 10088-3 1.4105
for plunger:
austenitic stainless steel EN ISO 3506 A2-70 for tightening screws between body and
SOLENOID VALVES FOR REFRIGERATING SYSTEMS
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TABLE 1a: General Characteristics of NC valves (normally closed) with SAE Flare connections
Cataloguenumber SAE
Flare
1/4"
3/8"
3/8"
1/2"
1/2"
5/8"
5/8"
3/4"
5/8"
3/4"
2,5
3
7
12,5
16,5
0,175
0,23
0,80
2,20
2,61
3,80
4,80
3,80
4,80
0
0,05
0,07
0,05
25
(3)
21
19
18
13
35
+105
(1)
+110
(2)
+105
(1)
45 Art. 3.3
ConnectionsSeat sizeNominal
[mm]
KvFactor[m3/h]
OperatingPrinciples
minOPD
MOPDCoil type
Opening Pressure Differential [bar]
HM4(AC)
21
HM2CM2(AC)
HM3(DC)
min.
TS [C]
max.
PS[bar]
RiskCategory
according toPED
DirectActing
DiaphragmPilot
Operated
1020/2
1020/3
1064/3
1064/4
1070/4
1070/5
1050/5
1050/6
1090/5
1090/6
PistonPilot
Operated
DiaphragmPilot
Operated
(1) Temperature peaks of 120 C are allowed during defrosting.
(2) Temperature peaks of 130 C are allowed during defrosting.
(3) For information about higher MOPD, please contact Castel Technical Departement.
TABLE 1b: General Characteristics of NC valves (normally closed) with ODS connections
Cataloguenumber
1/4"
1/4"
3/8"
3/8"
1/2"
1/2"
5/8"
7/8"
5/8"
3/4"
7/8"
1.1/8"
5/8"
3/4"
7/8"
1.1/8"
1.1/8"
1.3/8"
1.1/8"
1.3/8"
1.3/8"
1.5/8"
10
10
12
12
16
22
16
22
16
22
35
35
35
42
2,2
3
7
12,5
16,5
25,5
25
27
0,15
0,23
0,80
2,20
2,61
3,80
4,80
5,70
3,80
4,80
5,70
10
10
16
0
0,05
0,07
0,05
0,07
25
(3)
21
25
(3)
19
18
13
19
35
+105
(1)
+110
(2)
+105
(1)
+110
(2)
45 Art. 3.3
[in.]
[mm]
ODS
ConnectionsSeat sizeNominal
[mm]
KvFactor[m3/h]
OperatingPrinciples min
OPD
MOPDCoil type
Opening Pressure Differential [bar]
HM4(AC)
21
HM2CM2(AC)
HM3(DC)
min.
TS [C]
max.
PS[bar]
RiskCategory
according toPED
Direc
tAc
ting
Diap
hragm
Pilo
tOp
era
ted
1028/2
1028/2E
1028/3
1028/M10
1068/3
1068/M10
1068/M12
1068/4
1078/M12
1078/4
1078/5
1079/7
1058/5
1058/6
1058/7
1059/9
1098/5
1098/6
1098/7
1099/9
1078/9
1079/11
1098/9
1099/11
1078/11
1079/13
1079/M42
(1) Temperature peaks of 120 C are allowed during defrosting.
(2) Temperature peaks of 130 C are allowed during defrosting.
(3) For information about higher MOPD, please contact Castel Technical Departement.
Piston
Pilo
t
Opera
ted
Diap
hragm
Pilo
t
Opera
ted
Piston
Pilo
t
Opera
ted
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SOLENOID VALVES FORREFRIGERATING SYSTEMS
TABLE 2: Dimensions and Weights of NC valves with 9100 coil (1)
Cataloguenumber
Weight[g]
H1 H2 H3 L1 L2 Q
75
82
91
121
106
115
157
175
62,5
69,5
75
93
78
96
127
141
34
40
47
65
50
72
99
113
58
65
125
125
125
125
68
72
111
111
127
127
100
106
127
127
175
190
120
124
175
175
180
216
120
124
175
175
180
216
250
292
235
277
278
50
45
57
80
68
80
340
355
350
350
365
365
400
415
400
395
420
420
710
755
690
680
775
765
1157
1487
1117
1307
1292
1347
1035
1365
995
1185
1170
1225
2565
2620
2050
2130
2710
27502750
Dimensions [mm]
1020/2
1020/3
1028/2
1028/2E
1028/3
1028/M10
1064/3
1064/4
1068/3
1068/M10
1068/M12
1068/4
1070/4
1070/5
1078/M12
1078/4
1078/5
1079/7
1050/5
1050/6
1058/5
1058/6
1058/7
1059/9
1090/5
1090/6
1098/5
1098/6
1098/7
1099/9
1078/9
1079/11
1098/9
1099/11
1078/11
1079/131079/M42
(1) With coil type 9120 the dimension L2 is equal to 64 mm and the valves weights must be increased of 305 g.
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Connectors are not included in the boxes and have to be ordered separately.
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SOLENOID VALVES FOR REFRIGERATING SYSTEMS
TABLE 3: Refrigerant Flow Capacity of NC valves
Cataloguenumber
R134a R22 R407C R404A R134a R22 R407C R404A R134a R22 R407C R404A
Liquid Vapour Hot Gas
Refrigerant Flow Capacity [kW]
1020/2
1020/3
1028/2
1028/2E
1028/3
1028/M10
1064/3
1064/4
1068/3
1068/M10
1068/M12
1068/4
1070/4
1070/5
1078/M12
1078/4
1078/5
1079/7
1050/5
1050/6
1058/5
1058/6
1058/7
1059/9
1090/5
1090/6
1098/5
1098/6
1098/7
1099/9
1078/9
1079/11
1098/9
1099/11
1078/11
1079/13
1079/M42
2,95
3,88
2,53
3,88
13,5
37,1
44,0
37,1
44,0
64,0
80,9
64,0
80,9
96,0
64,0
80,9
64,0
80,9
96,0
168,5
168,5
269,6
3,15
4,14
2,70
4,14
14,4
39,6
47,0
39,6
47,0
68,4
86,4
68,4
86,4
102,6
68,4
86,4
68,4
86,4
102,6
180,0
180,0
288,0
3,28
4,31
2,81
4,31
15,0
41,2
48,9
41,2
48,9
71,2
90,0
71,2
90,0
106,8
71,2
90,0
71,2
90,0
106,8
187,4
187,4
299,8
2,08
2,74
1,79
2,74
9,5
26,2
31,1
26,2
31,1
45,2
57,1
45,2
57,1
67,8
45,2
57,1
45,2
57,1
67,8
119,0
119,0
190,4
R410A
3,33
4,38
2,86
4,38
15,2
41,9
49,7
41,9
49,7
72,4
91,4
72,4
91,4
108,5
72,4
91,4
72,4
91,4
108,5
190,4
190,4
304,6
1,73
4,75
5,64
4,75
5,64
8,2
10,4
8,2
10,4
12,3
8,2
10,4
8,2
10,4
12,3
21,6
21,6
34,6
2,16
5,94
7,05
5,94
7,05
10,3
13,0
10,3
13,0
15,4
10,3
13,0
10,3
13,0
15,4
27,0
27,0
43,2
2,14
5,90
6,99
5,90
6,99
10,2
12,9
10,2
12,9
15,3
10,2
12,9
10,2
12,9
15,3
26,8
26,8
42,9
1,81
4,97
5,90
4,97
5,90
8,6
10,8
8,6
10,8
12,9
8,6
10,8
8,6
10,8
12,9
22,6
22,6
36,2
R410A
2,88
7,92
9,40
7,92
9,40
13,7
17,3
13,7
17,3
20,5
13,7
17,3
13,7
17,3
20,5
36,0
36,0
57,6
1,49
1,96
1,28
1,96
6,8
18,7
22,2
18,7
22,2
32,3
40,8
32,3
40,8
48,5
32,3
40,8
32,3
40,8
48,5
85,0
85,0
136,0
2,05
2,69
1,76
2,69
9,4
25,7
30,5
25,7
30,5
44,5
56,2
44,5
56,2
66,7
44,5
56,2
44,5
56,2
66,7
117,0
117,0
187,2
2,03
2,67
1,74
2,67
9,3
25,6
30,3
25,6
30,3
44,2
55,8
44,2
55,8
66,2
44,2
55,8
44,2
55,8
66,2
116,2
116,2
185,9
1,75
2,30
1,50
2,30
8,0
22,0
26,1
22,0
26,1
38,0
48,0
38,0
48,0
57,0
38,0
48,0
38,0
48,0
57,0
100,0
100,0
160,0
R410A
2,28
2,99
1,95
2,99
10,4
28,6
33,9
28,6
33,9
49,4
62,4
49,4
62,4
74,1
49,4
62,4
49,4
62,4
74,1
130,0
130,0
208,0
Refrigerant flow capacity referred to the following operating conditions: Particularly for hot gas:
Evaporating temperatre: +4 C Suction temperature: +18 C
Condensing temperature: +38 C Pressure drop: 1 bar
Pressure drop: 0,15 bar
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TABLE 4a: General Characteristics of NO valves (normally open) with SAE Flare connections
Cataloguenumber
0,05
0,07
0,05
SAEFlare
3/8"
1/2"
5/8"
5/8"
3/4"
5/8"
3/4
7
12,5
16,5
0,80
2,20
2,61
3,80
4,80
3,80
4,80
21
19
35
+105
(1)
+110
(2)
+105
(1)
32 Art. 3.3
ConnectionsSeat sizenominal
[mm]
KvFactor[m3/h]
OperatingPrinciples
MOPD
Opening PressureDifferential [bar]
minOPD
min.
TS [C]
max.
PS[bar]
RiskCategory
according toPED
Coiltype
HM3(D
.C.)
1164/3
1170/4
1170/5
1150/5
1150/6
1190/5
1190/6 R
R
R
R
R
R
RDiaphragm
pilot
operated
Diaphragm
Pilot
Operated
Piston
Pilot
Operated
Piston
Pilot
Operated
Diaphragm
Pilot
Operated
Diaphragm pilot
operated
Piston Pilot
Operated
(1) Temperature peaks of 120 C are allowed during defrosting.
(2) Temperature peaks of 130 C are allowed during defrosting.
Available on request.R
TABLE 4b: General Characteristics of NO valves (normally open) with ODS connections
Cataloguenumber
3/8"
1/2"
5/8"
5/8"
3/4"
7/8"
5/8"
3/4"
7/8"
1.1/8"
1.1/8"
1.3/8"
10
12
16
16
22
16
22
35
7
12,5
16,5
25,5
25
27
0,80
2,20
2,61
3,80
4,80
5,70
3,80
4,80
5,70
10
10
16
0,05
0,07
0,05
0,07
21
19
35
+105
(1)
+110
(2)
+105
(1)
+110
(2)
32 Art. 3.3
[in.]
[mm]
ODS
ConnectionsSeat sizenominal
[mm]
KvFactor[m3/h]
OperatingPrinciples
MOPD
Opening PressureDifferential [bar]
minOPD
min.
TS [C]
max.
PS[bar]
RiskCategory
according toPED
Coiltype
HM3(D
.C.)
1168/3
1168/M10
1178/M12
1178/4
1178/5
1158/5
1158/6
1158/7
1198/5
1198/6
1198/7
1178/9
1198/9
1178/11 R
R
R
R
R
R
R
R
R
R
R
R
R
R
(1) Temperature peaks of 120 C are allowed during defrosting.
(2) Temperature peaks of 130 C are allowed during defrosting.
Available on request.R
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Connectors and coils are not included in the boxes and have to be ordered separately.
SOLENOID VALVES FOR REFRIGERATING SYSTEMS
1164/3
1168/3
1168/M10
1170/4
1170/5
1178/M12
1178/4
1178/5
1150/5
1150/6
1190/5
1190/6
1158/5
1158/6
1158/7
1198/5
1198/6
1198/7
1178/9
1198/9
1178/11
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TABLE 5: Dimensions and Weights of NO valves with 9120 coil
Cataloguenumber
Weight[g]
H1 H2 H3 L1 L2 Q
87
96
126
111
120
162
177
74,5
80
98
83
101
132
143
40
47
70
50
72
99
110
68
111
111
100
106
127
127
175
120
124
175
175
180
120
124
175
175
180
250
235
278
64
45
57
80
68
68
705
705
700
1015
1060
995
985
1080
1462
1792
1422
1612
1597
1340
1670
1300
1