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YK43F/H Pilot Piston Type Gas Pressure Reducing Valve

Categories Pressure Reducing Valve
Brand Name: GOOLE,OEM
Model Number: YK43H/F
Place of Origin: CHINA(MAINLAND)
MOQ: 1 UNIT
Payment Terms: Western Union, L/C, T/T
Packaging Details: plywood case
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    • Product Details
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    YK43F/H Pilot Piston Type Gas Pressure Reducing Valve

    Brief Introduction.

    This series reducing valve is pilot piston type reducing valve, mainly composed of main valve and pilot valve. The main valve consists of valve seat, main valve disc, piston, cylinder sleeve, and spring. The piston valve consists of valve seat, valve flap, membrane, spring and adjusting spring. Set the outlet pressure through adjusting spring, sense the change of pressure of outlet with membrane, adjust the flow area of throttling part of main valve through open and close of pilot valve and drive the piston, to realize the function of reducing and regulating valve. The product is mainly applied on gas piping, such as air, nitrogen, oxygen, hydrogen, liquefied gas, and natural gas.

    Field of Application.

    Product Name: Pilot Piston type Gas Pressure Reducing Valve.
    Pressure Rating: 1.6- 16.0 Mpa.
    Nominal Diameter: DN15-500 mm.
    Body Material: Steel WCB,CF8.
    Standard Flanges: DIN,ANSI,JIS.

    Nominal pressure(Mpa)1.62.54.06.410.016.0
    Shell test(Mpa)2.43.756.09.615.024.0
    Sealing test(Mpa)1.62.54.06.410.016.0
    Max.inlet pressure(Mpa)1.62.54.06.410.016.0
    Range of outlet pressure(Mpa)0.1-1.00.1-1.60.1-2.50.5-3.50.5-3.50.5-4.5
    Min Differential Pressure0.15 Mpa
    Pressure characteristics derivation ΔP2PGB12246-1989
    Flow characteristics derivation ΔP2GGB12246-1989
    Allowable Min Differential Pressure(Mpa)0.150.150.20.40.81.0
    LeakageSoft seal:0;hard seal:GB12245-1989


    Flow Characteristics.

    DN1520253240506580100125150200250300350400500
    Cv12.546.591625366410014025040057078010201500


    Main Technical Parameters and Indexes of Performance.

    Nominal Pressure1.6 Mpa2.5 Mpa4.0 Mpa6.4 Mpa10.0 Mpa16.0 Mpa
    Tested pressure of shell2.4Mpa3.75Mpa6.0Mpa9.6Mpa15.0Mpa24.0Mpa
    Sealing test pressure1.6Mpa2.5Mpa4.0Mpa6.4Mpa10.0Mpa16.0Mpa
    Maximum upstream pressure1.6Mpa2.5Mpa4.0Mpa6.4Mpa10.0Mpa16.0Mpa
    Pressure range of outlet0.1-1.0Mpa0.1-1.6Mpa0.1-2.5Mpa0.5-3.5Mpa0.5-3.5Mpa0.5-4.5Mpa
    Minimum differential pressure0.15Mpa0.15Mpa0.2Mpa0.4Mpa0.8Mpa1.0Mpa
    MediumGas, air, oxygen, nitrogen, etc.
    Operating temperature80


    *the shell test does not include membrane and top cover.

    Material of Main Component.

    Name Of ComponentMaterial Of Component
    Valve body, valve cover, seat coverWCB/FCB*
    Valve seat, valve disc2Cr13/304*
    Cylinder sleeve25 (hard chrome plating)/304*
    Piston2Cr13 /copper alloy*
    Piston ringAlloy cast iron/ polyphenyl*
    Pilot valve seat, pilot valve rod2Cr13/304*
    Membrane1Cr19Ni9Ti
    Spring of main valve and pilot valve50CrVA
    Adjusting valve60Si2Mn
    Sealing gasket (X/F model)Rubber/PTFE
    Pilot valve body, pilot valve cover25/304*


    Main External Dimensions.


    DNExternal DimensionDNExternal Dimension
    LHH1LHH1
    1.6/2.5Mpa4.0 Mpa6.4 Mpa10.0/16.0 Mpa
    151601802909015180180300100
    201601803009820180200310105
    2518020030011025200220310120
    3220022030011032220230310120
    4022024032012540240240335135
    5025027032012550270300335135
    6528030032513065300340340140
    8031033036516080330360380170
    100350380365170100380380185
    125400450475200125450490215
    150450500475210150500490225
    200500550515240200550535260
    250650560290250650580310
    300800705335300800725355
    350850745375350850765395
    400900780405400900800435
    450900730455450
    500950835465500950855495
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