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Combined type reducing valves
2012-04-13
Structure and function
Y43H type flange pilot piston steam reducing valve are suitable for steam, air medium in pipelines, Y43F are suitable for oxygen, air medium. Flange pilot piston steam reducing valve make use of that the inlet pressure is reduced by adjusting to a desired outlet pressure, when the inlet pressure and flow changes, the outlet pressure can be automatically preserved in a certain range by media itself energy. But the inlet andoutlet pressure difference must be more than 0.2MPa/cm2.
Dimensions & constructral diagram
Combined type reducing valve constructral diagram
Material of main parts
| name of part | material |
| body,bonnet | Grey cast iron,cast steel,stainless steel |
| vicedisc,viceseat,main disc of diaphragm, main seat, piston | stainless steel |
| vicespring, mainspring | chrome vanadium steel |
| regulating spring | Si-Mn Steel |
| piston ring | alloy cast iron |
Cast Gate, Globe, Check Valves
