Download - 1d G60 Catalogue

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    Main features

    Sensitive response to slight changes

    Long life system Internal coating baked epoxy or enamel Pilot controlled Drop tight closing

    Piston Actuated Valve Type G

    Body Construction:

    Leakage Test:Flange facing:Flange Drilling:Pressure - Temperature Rating:

    ISO 5751

    DIN 3230BN rate 1DIN2526

    According to customers demandDIN2401

    A B CWeight

    Kg.S i z e

    inch mm.2

    21/2

    34681012141618202428

    3032

    5065

    80100150200250300350400450500600700

    750800

    210310

    31035645851066086098011001250125014501570

    16201710

    100120

    120150200187250290395400430430500620

    700750

    410240

    240300350413400400525580650650800930

    10501090

    1554

    54621041672502804007901150137016902300

    29003460

    A

    B

    C

    In-line maintenance

    Simple adjustmentSizes 2-32Pressure rating PN-16 to PN-64 Temp. range 15 c to 85 c

    Hydraulic Control Valve is the most efficient valve for automatic operationof industrial and municipal distribution systems or any other system that requiresadjustable working conditions.

    The valve operates by pipeline water pressure and does not require any otherexternal energy source. The valve is a completely independent device and canbe installed at any location in the pipeline, provided there is just a minimumwater pressure allowing its operation. An operating piston surface double thesize of the sealing surface enables the control chamber movement towardsopening or closing with no external force or energy required.

    The G type is a piston actuated valve, which varies from 2 to 32 in a pressureranging from PN-16 to PN-64.Raphael G type, globe pattern, piston actuated control valves are a heavy

    duty, high pressure and large diameters throttling valves.As a piston actuated valve it is specially designed to withstand high restrictionlevels at a wide range of flow and diameters.

    The metal construction of the piston enables a smooth operation, with novibrations. Bronze and Stainless steel internal parts provide a cavitation resistancat very low flows keeping metal and iron parts of valves from being damage

    Low corrosion rates are obtainable due to high quality bronze and stainlessteel internal parts and high quality epoxy or enamel coating (Potable waterapproved).Regulation in high restriction rates is obtainable by a half restricted plug thatcombine a cost effective protection to seat and seal, keeping sensitive parts inthe valve from high velocity water passage.Globe pattern body construction gives equal wear for the control unit, thusprolonging its lifespan.

    1

    PistonActuatedT ypeG

    Standards:

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    P i s t o n A c t u a t e d T y p e G

    Performance Charts

    PSI mwc14.5

    1075

    3

    2

    10 100 1000 10000

    100001000100

    0.01

    0.1

    1

    10 max. intermittent flow

    max. recommended flow

    2 3 4 6 8 1 0

    1 2

    1 4

    1 6

    2 0

    1 8

    2 4

    3 0

    3 2

    m3/ h

    gpm

    min. recommended flow

    Q(m3/h) =Kv p(bar)Q(Gpm) =Cv p(psi)

    2 8

    Head loss for fully opened valve with regular plug

    2 1 / 2

    0.81

    0.6

    0.4

    0.2

    Size Cv Kvinch mm.

    Cv/Kv Rate for fully opened valve with regular plug

    221/234681012

    506580100150200250300

    5210012020844077011601390

    458710518038067010101200

    350400450500600700750800

    1416182024283032

    Size Cv Kvinch mm.21002770417047406700103001075011600

    182024003600410058008900930010100

    To achieve flow rate values for fully opened valveswith half restricted plug multiply by 0.7

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    G

    Regulation Ranges

    70 145 220 290 360

    REGULAR

    2-12 14-32

    HALF RESTRICTED

    2-12 14-32

    Cavitation ChartInlet Pressure

    Bar

    25

    20

    15

    10

    5

    0

    5 10 15 20 25

    360

    290-

    220

    145

    70

    P.S.I

    P.S.I

    Bar

    Outlet Pressure

    1

    2

    3

    Zone 1

    Zone 2

    Zone 3

    Normal operation zone, obtained by regular plug.

    High reduction rates, suggested to cavitation risk, obtained by a half restricted plug.

    Cavitation zone, please contact factory for valve sizing and solution provision.

    Optional Plugs Charcteristics

    RANGE OF FLOWS FOR THE DIFFERENT PLUG FORMS

    H E A D

    L O S S

    FLOW RATE

    Max.intermittent flow 120%

    Max. normal flow

    Flow velocity 2m/sec

    Min. normal flow

    R e g u l

    a r

    7 0 % o f m a x . n o r m a l

    R e s t

    r i c t e d2 0 % b e l o w

    m i n . f l o w

    H l a f

    O PE N I N G D I A GR AM

    100

    80

    60

    40

    20

    0 2 0 4 0 6 0 8 0 1 0 0

    R e g u la r

    Half Restr icted

    FLOW RATE

    %

    %

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    P i s t o n A c t u a t e d T y p e G

    RAPHAELS UCV - Universal Control Valve, is the perfect solution for today's and tomorrow's needs for variable, quick response,

    multi task applications of system management in waterworks infrastructure.RAPHAEL's UCV (Universal Control Valve) is specially designed to perform all control duties. The UCV's parameters can be easily changed by a simple controller access. Just by pushbotton one can set different values transmitted as Analog inputs (Pressure, Flow, Level, Temp., humidity,etc.), digital inputs (Maximum level, temp., overflow, saturation, etc.) or time related.

    T o avoid tamper and unauthorized changes in system's variants a password entry can be activated for different levels of interference (Operator's,Technician's or Programmer's level).

    Universal Control Valve

    A local display keeps operating team up-to-date with system's condition and performance. Local keypad allows instant changes in set points and parameters providing dynamic and adjustable on-line operating and system management.

    V alve programming can be made by any computer regardless of its physical location, and uploaded into the local control unit (installed on the Universal Control Valve) through the Controller's Network Ports. By pressing a botton the Universal Control Valve can perform a complete different set of control features.

    N o c o m p o n e n t c h a n g es a r e r e q u i r e d i n o r d e r t o c h a n g e v a l ve ' s a p p l i c a t i o n .

    U C V

    Starting Future Today

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    3 - 4

    2 Parts

    Material

    Gray Cast Iron (CI)Ductile Cast Iron (DI)Cast steel (CS)SteelBronzeBrassStainless Steel (SS)Rubber (NBR,EPDM)Coating

    Internal coating optionEnamel (En)

    2PARTS LIST

    1 Body2 Seat3 Plug4 Rubber seal5 Disc6 Stem7 Piston8 Nut9 Cylinder10 Cover11 Bolt12 "O"-ring13 Spring14 Bushing15 Plug16 Piston seat17 Indicator18 O-ring19 Nut20 Bolt21 Pin22 Nut23 Bearing24 O -ring25 Nut26 O -ring27 Bolt28 O -ring29 "O"-ring30 Piston lead31 Piston cover32 Bolt

    BronzeSS304 BronzeNBR/EPDM--Brass--Steel (R)-NBRSS302-BrassNBRSS303NBRSteel (ZP)Steel (ZP)---NBR-NBR-NBR----

    * PN16: Body and cover CI* PN40: Body and cover 8-12 CS

    Seat, plug, disc and cylinder SS

    The materials as per PN25

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    P i s t o n A c t u a t e d T y p e G

    14 - 32

    6-12ist

    Standard

    ASTM A48ASTM A536ASTM A216 WCBASTM A36ASTM B62ASTM B16ASTM A276ASTM D2000Rilsan (R)Epoxy (Ep)Zinc Plated(ZP)

    -4 6-12 14-32

    DI (Ep)*Bronze*Bronze*NBR/EPDMS304*

    BrassS304/NBR

    BrassBronzeDI(Ep)*S304*NBRS302

    BrassBrassNBRS303

    NBRteel (ZP)teel (ZP)S304

    Brass

    NBRBrassNbrS304

    NBRNBR

    DI (Ep)*Bronze*Bronze*NBR/EPDMSteel (R)*BrassSS304/NBRBrassBronzeDI (Ep)*SS304*NBRSS302BrassBrassNBRSS303NBRSteel (ZP)Steel (ZP)SS304Brass TeflonNBR-NBRSS304NBRNBR---

    Steel (Ep)SS316SS304NBR/EPDMSS304-SS304/Steel (Ep)-SS304Steel (Ep)SS304NBR--BrassNBRSS303NBRSteel (ZP)Steel (ZP)-Brass TeflonNBR-NBRSS304-NBRSS304Steel (R)SS304

    For PN64 standards please consult factory.Other materials and standards are available uponcustomers request.

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    Pressure Reducing Valve Type G 60

    Flow Control Valve Type G 70

    Pressure Sustaining and Reducing Valve Type G 68

    7.Pressure reducingpilot

    8.Pressure gauge

    PARTS LIST1."G" valve2.Cock valve3.Cock valve4.Needle valve

    5.Cock valve

    6.Filter 1

    3 2

    6

    4

    7

    5

    8

    7.Flow limit pilot8.Orifice plate

    PARTS LIST1."G" valve2.Cock valve3.Cock valve4.Needle valve5.Cock valve

    6.Filter

    8

    1

    3 2

    6

    4

    7

    5

    1."G" valve

    2.Cock valve3.Cock valve4.Needle valve5.Cock valve

    6.Filter

    PARTS LIST

    7.Pressure reducing pilot8.8a.Pressure gauge9.Pressure relief/

    sustaining pilot

    9 8a8

    5

    7

    4

    623

    1

    The valve automatically reduces a greater upstream pressureto a steady lower downstream pressure. The downstreampressure is governed by a pilot and can be adjusted.Downstream pressure is maintained at a steady set pressureregardless of changes in inlet pressure or flow rate. Minorchanges in downstream pressure will immediately cause thevalve to open or close accordingly, returning the system toa preset.

    The valve maintains a steady flow rate at any workingconditions. Regardless of pressure changes or demand, thevalve will keep flow constant. The flow is controlled by a pilotand a calibrated orifice plate, and can be adjusted within arange of 20%. The orifice plate size is determined by therequired flow range and is specific for each project.

    The valve performs both pressure reducing andpressure sustaining features. It maintains a constantupstream pressure to an adjusted value as a pressuresustaining valve, and reduces greater upstreampressure to a steady lower downstream pressureas a pressure reducing valve. Both functions occurindependently, and the valve constantly modulatesaccordingly.

    Application for type G

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    P i s t o n A c t u a t e d T y p e G

    Differential Level Control Valve Type G 13

    Altitude Control Valve Type G 40

    Pressure Sustaing/Relief Valve Type G 807

    8

    5 4

    623

    1."G" valve2.Cock valve3.Cock valve

    4.Needle valve

    5.Cock valve

    6.Filter

    PARTS LIST

    7.Pressure relief/sustaining pilot

    8.Pressure gauge

    3

    4

    52

    1

    1

    3 2

    6

    4

    7

    5

    6.Filter 7.Altitude pilot

    PARTS LIST1."G" valve2.Cock valve3.Cock valve

    4.Needle valve

    5.Cock valve

    The pressure sustaining valve automatically controls the presetupstream pressure. The inlet pressure will be maintained steadyregardless of changes in flow rate or downstream pressure.

    The pressure sustaining valve is commonly used as a pressurerelief valve, installed in a T configuration. At any condition, thevalve will open only after the preset pressure is achieved.

    Bi level control valve maintains liquid level in water tanks,reservoirs and water storages. The valve will fullyclose at a high preset point when waterreaches its maximum level , and fullyopens at a different, adjustablepreset point, allowing water flowin. The bi level control valve is an

    on/off, non modulatingcontrol valve.

    1."G" valve2.Cock valve3.3-way cock valve

    PARTS LIST

    4.Bi-level 3-wayfloat pilot

    5.Filter

    The altitude control valve automatically maintainsliquid level in water tanks, reservoirs and storagesat its maximum preset point. The valve is pilotcontrolled, and operates by comparing the watercolumn pressure to the spring adjustment. Thevalve will be fully closed when the water reachesits preset level. The opening level is determined bythe spring selection and varies from 30 to 100 cm.

    1

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    PsonAcuaedTypeG

    Anti - Burst Control Valve Type G 90

    Pressure Sustaining and Booster Pump Control Valve Type G 80 20

    34a

    5

    1

    2

    6

    4

    7

    9

    8

    8

    1111a

    10

    12

    1

    3 26

    45

    7 9

    9

    5

    7

    4

    6

    23

    1

    8

    The Surge anticipating control valve protects pipelinesystems and its accessories from damages caused by

    water hammers. The valve is built to anticipate thedangerous energy accumulation that occurs during a

    surge and relieves it out of the pipeline. With the beginningof the pressure drop, that

    indicates the water hammerevolution, the valve will open,

    relieving the necessary amount of fluid to the atmosphere, and prevents the continuanceof the surge. In case pressure rises the valve will re-open, relieving excess pressure as a Pressure relief valve.

    surge relief pilot

    6.Filter 7.Low pressure

    surge relief pilot8.Pressure gauge9.Cock valve

    PARTS LIST1."G" valve2.Cock valve3.Cock valve4.Needle valve

    4a.Needle valve5.High pressure

    The pump control valve is made to protect pumps frompossible damages caused by powerful start-ups and shut-downs of centrifugal pumps. The valve's purpose, is primarilyminimizing the formation of surges during on/off operationof the pump, and protect pump from backflow. The valveis electrically interlocked with pump's control panel. Openingand closing speed can be adjusted, offering a smooth start-up and shut-downs. By the action of a pilot The Pumpcontrol valve is also used toregulate maximum flow

    9.Pressure relief/sustaining pilot

    10.3-way N.C.solenoid valve

    11.11a.Check valve12.Limit switch

    assembly

    PARTS LIST1."G" valve2.Cock valve3.Cock valve4.Needle valve5.Cock valve6.Filter 7.Pressure gauge8.Finger filter

    The purpose of the anti burst valve is to prevent water flowin pipes and systems that have been physically damaged fromany reason. A high sensitivity flow pilot and an orifice plate,that indicates the current flow in the pipeline, control thevalve. When a preset flow ("Burst" condition) is reached thevalve will tight close. The valve can only be re-opened manuallyby turning the manual

    override cock valve inits control loop.1."G" valve2.Cock valve3.Cock valve4.Needle valve4a.Needle valve5.Cock valve

    PARTS LIST6.Filter 7.Anti-burst pilot8.Orifice plate9.Manually override

    locking valve

    Surge Anticipating Control Valve Type G 88

    N.C.

    4a


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