China Sk200X Pressure-Reducing Valve Prv Valve

DN(mm)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

Stucture and purpose
Installed on the inlet of a water pool or tower.The main valve is controlled by the floating pilot valve to close the inlet to stop water supply when thewater level gets to the set height and to open the inlet to supply water to the water tower or pool so as to realize the automatic watersupplement when thewater level lowers.
oflevelcontrol: waterpressuredisturbance resisting mountable 9n anypositions reliable seal performance,easy insta-
llation,maintena ance,deugging and check,long duration( The floating pllot valve can be separatelymounted rom the main one).
Application standard

Quality assuranceStructure length:Q/BYL-2002Test standard:GB/T13927 Ap1598Design standard:Q/YYF-2000Flange standard:GB/T172416 GB/T9113

Material of main parts

TypeDiaphragm typePiton typePartMaterialsPartMaterials1BonnetCasting pig,Ductalloy, carbon steel,ssBonnetCasting pig,Ductalloy,carbon steel,ss2SpringSpring steelCylinder sleevess3Prseeboard of diaphragmCasting pig,Ductalloy, carbon steel,ssPistonDuctalloy4Diaphragm
Seal ringNBR,ternary etnylenepropylene rubber5Stem2Cr13,2Cr13,ssStem2Cr13,2Cr13,ss6DiscCasting pig,Ductalloy,carbon steel,copper,ssSpringSpring steel,ss7OO-RingNBR,ternary ethylenepropylene rubberDiscCasting pig,Ductally,carbon steel,ss8OPressboard of O-Ring Sealing padNBR,ternary ethylenepropylene rubber9Seat ring Seal ringCu-alloy,ss10Body Seal pressboardCasting pig,Ductalloy,carbon steel,ss11 BodyCast iron