Product Details

Pressure Reducing Valve for Gas (GAYK43F/H)

Product Features

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 ΔP2G GB12246-1989
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.

Pressure Reducing Valve for Gas (GAYK43F/H)
 

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.
 

 Pressure Reducing Valve for Gas (GAYK43F/H)

 

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


You May Like

Popular Searches

expansion valve control valve refrigerant r134a refrigerant Air Conditioner Expansion Valve refrigerant gas ball valve temperature regulator Ball Accessory forged valve cleaning ball viton Butterfly Valve pipe thread fire valve fire extinguishing agents

Find Similar Products By Category

Mechanical Parts & Fabrication Services > Valves

You May Like

View More
Chat Now Contact Now