Pressure release valve

Pressure release valve introduction

Y43H-40, Y43H-63 type pilot valve piston steam from the main valveand pilot valve composed of two parts. Mainly by the main valve seat,the main valve plate, piston, spring and other parts. Mainly by the pilot valve seat, valve, diaphragm, spring, adjusting spring and other parts.This product is a great improvement in the ordinary decompression valve base, increase the piston area, changing the throttle structure and seal form, increase the flow area and so on, in order to improve the sensitivity, such as flow, life greatly improved performance. Mainly used in steam pipeline, applicable to the traffic flow changes, the variation of the inlet pressure steam pipeline.

Pressure release valve parameter

Type PN Working pressure / MPa Suitable temperature / ℃ Applicable medium
Y43H-40 40 4.0 ≤200 steam
Y43H-63 63 6.3 ≤200 steam
Material components

Y43H-40, Y43H-63 type pilot valve piston steam parts material typematerial

The valve body, valve cover on the valve seat, vice principal, vice principal of spring diaphragm piston ring piston

Y43H-40 carbon steel and stainless steel chrome vanadium steelstainless steel alloy wear resistant cast iron

Y43H-63 carbon steel and stainless steel chrome vanadium steelstainless steel alloy wear resistant cast iron

Products shape and structure and size (PN40)

Y43H-40 type pilot valve piston steam shape and structure and size(mm) DN L D D1 D2 D6 B F Z * D D3 H1 H2 weight /kg

25 200 115 85 65 58 16 4 4×14 130 110 370 18
32 220 135 100 78 66 18 4 4×18 135 120 380 23
40 240 145 110 85 76 18 4 4×18 150 125 395 28
50 270 160 125 100 88 20 4 4×18 160 130 405 33
65 300 180 145 120 110 22 4 8×18 180 140 410 40
80 330 195 160 135 121 22 4 8×18 200 165 445 54
100 380 230 190 160 150 24 4.5 8×23 200 170 455 60
125 450 270 220 188 176 28 4.5 8×25 245 195 475 100
150 500 300 250 218 204 30 4.5 8×25 260 195 475 115