air valves valmatic
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V
PROVIDING
SYSTEMEFFICIENCY
AND
PROTECTION
AIR VALVES
Bulletin 1500
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The Val-Matic Air Valve sizing program is an
easy to use Windows Computer Program for
locating and sizing Air Valves in Water and
Wastewater applications.
Provided system parameters, airValve® will
calculate system data and develop criteria suchas flow rate due to slope. It will recommend valve
locations, sizes and models and print a valve
schedule with profile for the user. Finally, the
program will save your data for future reference.
Available online for download, or by requesting
a copy, the Val-Matic airValve® Sizing Software
is an indispensible, free resource that allows
engineers to more effectively, and more easily,
design their pipeline.
From the float material to the shape
of the body, Val-Matic Air Valves
are designed for years of reliable
performance. All valves meet AWWA
C512 requirements.
HEAVY DUTYSTAINLESS STEEL
Stainless steel type 316 is the standard of
Water & Wastewater facilities throughout
the world when quality and longevity
count. That is the reason Val-Matic
uses type 316 stainless steel in every
internal component in every Air Valve
we make. From nuts to floats, it's all
you'll find inside Val-Matic Air
Valves. The only exception is the
resilient sealing member. Our
sealing members use a variety of
synthetic compounds to assure a tight seal
from the lowest system pressures to the
valve's maximum rated working pressure.
The float is the heart of an Air Valve. One
pinhole or nick in the float's sealing surface
will cause premature failure. That's why
Val-Matic starts with heavy-duty type 316
stainless steel and uses it exclusively
throughout our line. Val-Matic unconditionally
guarantees all air valve floats.
Providing a quality float is not enough to
assure a good seal every time. When
entering the seat, a damaged or off-center
float will prevent a valve from closing. The
high velocities that Air/Vacuum valves are
exposed to can cause unguided floats to be
violently tossed about from side to side and
continuously thrust against the valve body.
For these reasons, all Val-Matic Air/ Vacuum
Valve floats are center guided.
Center guiding guarantees that the
float approaches the seat at a
90° angle to provide a positive
drop tight seal each time.
Round stainless steel bushings
position the hexagonal guides and
hold them firm. The use of hexagonal
guides in round bushings prevents
binding and allows for self-cleaning
of the bushings.
SEATS
All standard models incorporate a resilient
sealing member which mates to stainless
steel. Air Release Valves have a synthetic
sealing member mounted to the float
linkage mechanism. It closes against a
stainless steel seat mounted in the valve
cover. On Air/Vacuum Valves, the stainless
steel float closes against a synthetic seat
mechanically retained in the body. The
patented resilient seat provides positive shut
off from the lowest system pressure to the
valves rated working pressure.
AIR/VACUUM INLETSAND OUTLETS
When is a two-inch hole smaller than a
two-inch hole? When you buy an Air/Vacuum
valve with inlets and outlets of different
diameters. A two-inch Air/Vacuum Valve with
a one-inch outlet orifice has the effective
capacity of only a one-inch
Air/Vacuum Valve. Put simply,
no one can put more than a
gallon of water in a gallon
container. No one can push
more air through a one-inch
hole than its size is capable of
allowing.
That's why check valve and shut-off valve
manufacturers strive to maintain full pipe
diameter through the valve body. A loss of
efficiency occurs when you restrict flow
through the valve. In the case of an
Air/Vacuum valve, it can lead to serious
consequences if the valve is not capable of
relieving a vacuum condition due to restricted
flow. For this reason, all Val-Matic
Air/Vacuum valve outlets are greater or
equal to the valve's nominal size.
Val-Matic has expertise and experience inproviding global solutions to air related
concerns coupled with quality products.
That is why Val-Matic is the world leader in
air valve technology!
Exclusive Features and Benefits
S i z i n g S o f t w a r e
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Designed to bring together the features of an Air Release
and Air/Vacuum Valve, Combination Air Valves give you the
maximum of pipeline protection and efficiency. For highcapacity venting of air during pipeline filling the
Air/Vacuum feature maximizes your fluids flow area. An
Air/Vacuum valve also forces air back into a system. This
pressurizes the pipeline and avoids a destructive vacuum
that occurs during draining or pipe bursts. Trapped pockets
of air that travel through a pipeline system are exhausted
through Air Release Valves. These pockets collect at high
points and limit your fluids flow rate. That forces your pump
to work harder which increases your cost. Combination
Valves combine the traditional and proven features of both
the Air Release and Air Vacuum valve.
OPTIONS:
Outlet Hoods
Backwash Accessories
Isolation Valves
6
WATER & WASTEWATER
COMBINATION AIR VALVES
MATERIALS OF CONSTRUCTION
Standard Optional
Body and CoverCast Iron, ASTM A126 Class B
Class 125 and 250
Ductile Iron, ASTM A536 Grade 65-45-12
Stainless Steel, ASTM A351 Grade CF8M
Trim Type 316 Stainless Steel -
Coating Universal Alkyd Primer Fusion Bonded Epoxy
FLOW CAPACITY OF COMBINATION AIR VALVES
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WATER & WASTEWATER
COMBINATION AIR VALVES
WATER COMBINATION AIR VALVES (SINGLE BODY)
Model
Number
Valve
Size
Inlet
Size
Outlet
Size
CWP
PSIOrifice Size
Dimensions
A B
201C.2 1” 1” NPT 1” NPT 300 5/64” 11 3/8” 10 1/2”
202C.2 2” 2” NPT 2” NPT 300 3/32” 14” 13”
203C.2 3” 3” NPT 3” NPT 300 3/32” 16” 15”
204C.2 4” 4” NPT 4” NPT 300 3/32” 18 1/2” 17”
203C.14 3” 3” 125lb Flg. 3” NPT 150 3/32” 16” 17”
204C.14 4” 4” 125lb Flg. 4” NPT 150 3/32” 18 1/2” 19”
203C.15 3” 3” 250lb Flg. 3” NPT 300 3/32” 16” 17 1/2”
204C.15 4” 4” 250lb Flg. 4” NPT 300 3/32” 18 1/2” 19 1/2”
206C 6” 6” 125lb Flg. 6” Hood 150 3/8” 21” 20 1/4”
256C 6” 6” 250lb Flg. 6” Hood 300 7/32” 21” 20 1/4”
208C 8” 8” 125lb Flg. 8” Hood 150 3/8” 25” 23 1/2”
258C 8” 8” 250lb Flg. 8” Hood 300 7/32” 25” 23 1/2”
WATER COMBINATION AIR VALVES (DUAL BODY)
Model
Number
Valve
Size
Inlet
Size
Outlet
Size
CWP
PSI Orifice Size
Dimensions
A B
101S/22.9 1” 1” NPT 1” NPT 300 1/16” 7 7/8” 15 5/8”
102S/22.9 2” 2” NPT 2” NPT 300 1/16” 10 1/4” 17 7/8”
103S/22.9 3” 3” NPT 3” NPT 300 1/16” 10 1/4” 18 1/4”
201C.2 - 204C.15
Combination Air Valve
206C - 258C
Single Body
Combination Air Valve
101S/22.9 - 103S/22.9
Dual Body Combination
Air Valve
Anti-Slam Combination Air Valves and Isolation Valves in a pump discharge application.
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®
OUTLET
VALVE
SIZE
INLET
SIZEA B
1"
2" 14"
11 3 / 8"
13"
OUTLET
SIZE
ORIFICE
SIZE
1" N.P.T.
2" N.P.T.
5 / 64"
3 / 32"
1" N.P.T.
2" N.P.T.
201C.2
202C.2
MODEL
NO.
10 1 / 2"
C
12 5 / 8"
15 7 / 8"
*Add “H” to Model No. for optional screened hood SPK-1H.
D
6 3 / 8"
8 1 / 4"
E
2"
3 1 / 4"
7
2
6
4
16
3
9
12
13
10
18
5
1 14
COMBINATION AIR VALVE (SINGLE BODY TYPE)
14
8
11
17
29
30
3418
34
15
COLD WORKING PRESSURE - 300 P.S.I.
TEST PRESSURE - 450 P.S.I.B
A
1 BODY
2 COVER
3 BAFFLE
4 SEAT
9 BUSHING
10 FLOAT ARM
11 ORIFICE BUTTON
12 PIVOT PIN
18 LOCK NUT
23 SCREENED HOOD
29 CUSHION RETAINER
30 WASHER
34 LOCK WASHER
FOR ILLUSTRATION ONLYSPOKE SHOWN 90FROM ACTUAL ANGLE
INLET
DATE
DRWG. NO.
VALVE AND MANUFACTURING CORP. VM-201C
2-2-69
C
23
Revised 1-9-06
OPTIONAL
SEE DRAWING NO. VM-201C-M FOR STANDARD MATERIALS OF CONSTRUCTION.
*
AAVIEW A-A
D
E(HEX.)
5 FLOAT
6 GASKET
7 COVER BOLTS
8 RETAINING SCREWS
13 RETAINING RING
14 PIPE PLUG
15 CUSHION
16 PLUG
17 FLOAT RETAINER
9(2” ONLY)
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®
PART NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
29
30
34
MATERIAL
CAST IRON ASTM A126, CLASS B
CAST IRON ASTM A126, CLASS B
CAST IRON ASTM A126, CLASS B
BUNA-N
STAINLESS STEEL T316, ASTM A240
COMPRESSED NON-ASBESTOS FIBER
ALLOY STEEL SAE, GRADE 5
STAINLESS STEEL T316, ASTM F593
STAINLESS STEEL T316, ASTM A240
STAINLESS STEEL T316, ASTM A240
STAINLESS STEEL & BUNA-N
STAINLESS STEEL T316, ASTM A276
STAINLESS STEEL PH 15-7 MO
STEEL
BUNA-N
STAINLESS STEEL T316, ASTM A276
STAINLESS STEEL T316, ASTM F880
STAINLESS STEEL T316, ASTM F594
STAINLESS STEEL T316, ASTM F593
STAINLESS STEEL T316, ASTM A240
STAINLESS STEEL T316, ASTM A240
PART NAME
BODY
COVER
BAFFLE
SEAT
FLOAT
GASKET
COVER BOLT
RETAINING SCREWS
GUIDE BUSHING
FLOAT ARM
ORIFICE BUTTON
PIVOT PIN
RETAINING RING
PIPE PLUG
CUSHION
PLUG
FLOAT RETAINER
LOCK NUT
CUSHION RETAINER
WASHER
LOCK WASHER
NOTE: ALL SPECIFICATIONS AS
LAST REVISED.
VM-201C-M
MATERIALS OF CONSTRUCTION 2 / 2 / 6 9
Revised 1-29-03
COMBINATION AIR VALVES (SINGLE BODY TYPE)
MODEL NOS. 201C.2 - 202C.2 - 203C.2 - 204C.2
STANDARD MATERIALS OF CONSTRUCTION
DATE
DRWG. NO.
VALVE AND MANUFACTURING CORP.
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* SEAT RETAINING SCREWS NOT FURNISHED ON VALVE SIZES 2" & 2 1 / 2".
PART NO.
1
2
3
4
5
6 *
MATERIAL
CAST IRON ASTM A126, CLASS B
BRONZE ASTM B584, ALLOY C83600
BRONZE ASTM B584, ALLOY C83600
STAINLESS STEEL T316, ASTM A313
BRONZE ASTM B16, ALLOY C36000
STAINLESS STEEL T316, ASTM F879
PART NAME
BODY
SEAT
DISC
SPRING
BUSHING
RETAINING SCREWS
NOTE: ALL SPECIFICATIONS AS
LAST REVISED.
VM-1802-M
MATERIALS OF CONSTRUCTION 7/14/82
Revised 3-17-06
GLOBE STYLE SILENT CHECK VALVE
2" - 10" SERIES NO. 1800 ANSI CLASS 125 & 250
STANDARD MATERIALS OF CONSTRUCTION
VALVE AND MANUFACTURING CORP.
DATE
DRWG. NO.
AL ATIC®
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®
PART NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
24
MATERIAL
CAST IRON ASTM A126, CLASS B
DUCTILE IRON ASTM A536, GRADE 65-45-12
STAINLESS STEEL ASTM A276, T316
DUCTILE IRON ASTM A536, GRADE 65-45-12
STAINLESS STEEL ASTM A276, T304STAINLESS STEEL ASTM A564, T630 , H1150
NYLATRON
BUNA-N
STAINLESS STEEL ASTM A743, GRADE CF8M
STAINLESS STEEL ASTM F593, T316
STAINLESS STEEL ASTM A582, T416
EPDM
STAINLESS STEEL ASTM F594, T316
STAINLESS STEEL ASTM A276, T316
BUNA-N
CARBON STEEL
CAST IRON ASTM A126, CLASS B
CARBON STEEL, ZINC PLATED
BRONZE ASTM 763, ALLOY C99500
RESILIENT, ASTM D2000
PART NAME
BODY (CLASS 150B)BODY (CLASS 250B)
BODY SEAT
DISC
SHAFT (CLASS 150B)SHAFT (CLASS 250B)
SLEEVE BEARING
RESILIENT SEAT
SEAT RETAINING RING
NYLOK ® CAP SCREWS
TAPER PIN
TAPER PIN O-RING
TAPER PIN NUT
TAPER PIN WASHER
PACKING, V-TYPE
KEY
THRUST BEARING CAP
CAP SCREWS
THRUST BEARING
BODY O-RING
NOTE: ALL SPECIFICATIONS AS
LAST REVISED.
MATERIALS OF CONSTRUCTION 6-7-99
BUTTERFLY VALVE
3”- 24” AWWA CLASS 150B AND 250B SERIES 2000
STANDARD MATERIALS OF CONSTRUCTION
DATE
DRWG. NO.
VALVE AND MANUFACTURING CORP. VM-2004-M
Revised 6-22-10
NYLOK IS A REGISTERED TRADE MARK OF THE NYLOK FASTENER CORPORATION.
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