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
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.
|DN ||L ||H ||H1 |
|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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