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Catalogue# 060411599

Y43H-16 piston pressure reducing valve

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 Usage: for pipelines where the working temperature is under 200≧ and Max working pressure under1.6MPa. By adjusting the valve, the outlet pressure can reach the wanted inlet pressure . When the inlet pressure or flowratio has changed, under the effect of the valve, the outlet pressure can always keep in anallowed range.But the deviation value between the outlet pressure and inlet pressure must exceed 0.2Mpa,And the inlet pressure must exceed 0.3Mpa. in order to guarantee the sensitive and reliability.

Function and specification

Type

Nominal pressur (MPa)

 Inlet woring pressure
(Mpa)		 Outlet ressure(Mpa) Deviation value of  outlet pressure(Mpa)   
Y43H-16 1.6 <200≧ 1.6 0.05-1.0 0.05
200≧ 1.5

Muin parts and materials

Parts  name Material
Valve body.upper valve deck underside valve deck Grey iron

Main/auxiliary valve flap.main/auxiliary valve seat piston

 Stainless steel
main spring Chrome-vanadium steel
Adjusting spring Silico mangan steel
Piston ring Alloy wear resisiting cast iron
Diaphragm Stainless band

Outline and connect measurement

Type Nominal Dia DN(mm) Measurement(mm) Weight(kg)
L D D1 D2 D3 

 b-f 

Z-Фd H1 H2
Y43H-16 20 160 105 75 55 115 16-2 4-14 89 312 　
25 180 115 85 65 115 16-2 4-14 101 328 　
32 200 135 100 78 115 18-3 4-18 107 320 　
40 220 145 110 85 145 18-3 4-18 113 325 　
50 250 160 125 100 145 20-3 4-18 120 335 　
65 280 180 145 120 170 20-3 4-18 140 365 　
80 310 195 160 135 180 22-3 8-18 150 385 　
100 350 215 180 155 180 24-3 8-18 150 385 　
125 400 245 210 185 235 26-3 8-18 185 425 　
150 450 280 240 210 265 28-3 8-23 210 445 　
200 450 335 295 265 315 30-3 12-23 145 515 　

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