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Direct Acting Bellow Pressure Reducing Valve (GAY44H/Y)

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Basic Info

Model No.:  GAY44H/Y

Product Description

Model NO.: GAY44H/Y Structure: Bellows Size: 1/2"-4" Connecting Type: Flange Working Temperature: Below 220 Deg C Application: Industrial Pipelines Transport Package: Carton, Plywood Case Origin: China(Mainland) Certification: ISO Material: C.S Category: Pressure Reducing Valve Medium: Water, Steam, Liquid, Air, Oxygen, Nitrogen, etc. Usage: Pressure Reducing Trademark: GOOLE, OEM Specification: ISO 9001 HS Code: 8481804090
Y44H/Y-GVPR07 Direct Acting Bellows Pressure Reducing valve
Brief Introduction.
This series reducing valve is direct acting bellows pressure reducing valve, It is mainly composed of bellows, adjusting spring, valve seat and valve flap. It sense the change of lower stream pressure through the bellows and drive the valve flap, change and control the valve opening to realize the function of pressure reducing the regulating. Set the outlet pressure by adjusting the spring pressure through adjusting bolt The product works stably and flexibly. It is suitable for piping of gas and liquid medium.

Main Technical Parameters and Indexes of Performance.
Nominal pressure 0.6 Mpa 1.0 Mpa 1.6 Mpa
Tested pressure of shell 0.9 Mpa 1.5 Mpa 2.4 Mpa
Sealing test pressure 0.6 Mpa 1.0 Mpa 1.6 Mpa
Maximum upstream pressure 0.6 Mpa 1.0 Mpa 1.6 Mpa
Pressure range of outlet 0.05-0.4 Mpa 0.1-0.8 Mpa 0.1-1.0 Mpa
Minimum differential pressure 0.1Mpa 0.15Mpa 0.15Mpa
Medium Water, steam, liquid, air, oxygen, nitrogen, etc.
Operating temperature 220

*the shell test does not include bellows. Take down BELLOWS before shell pressure-proof test.
Material of Main Component.
Name of Component Material of Component
Valve Body, Valve Cover WCB
Seat Cover WCB
Valve Seat, Valve Flap 2Cr13
Corrugated Tube 1Cr18Ni9Ti
Upper Gasket of Corrugated Tube 2Cr13
Lower Gasket of Corrugated Tube 2Cr13
Pilot Seat 2Cr13
Spring of Main Valve 50CrVA
Adjusting Spring 60Si2Mn
Main External Dimensions.
 Direct Acting Bellow Pressure Reducing Valve (GAY44H/Y)
15 140 290 90
20 140 295 98
25 160 295 110
32 180 295 110
40 200 325 125
50 230 325 125
65 280 325 130
80 310 380 160
100 350 380 170

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