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Cryogenic gate valve

Cryogenic gate valve

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Gate Valve
Describe
Untitled Document Product Description
 
WZ40H-40 bellows gate valve: manual drive, flange connection, open rod wedge type elastic ram structure, seat sealing surface material is stainless steel, nominal pressure PN40, valve body material is carbon steel bellows gate valve.
 
The stem of the tube gate valve adopts the double sealing structure of bellows and packing to ensure the leak-free sealing at the valve stem. It is applied to power station, natural gas, ammonia, vacuum, refrigeration system, hot oil and hot water system, especially suitable for flammable, Explosive, toxic and valuable medium piping.
 
Product performance parameters WZ40H-40 bellows gate valve main performance parameters
 
model PN Working pressure / MPa Applicable temperature / °C Applicable medium
WZ40H-40 40 4.0 ≤ 425 Non-corrosive medium

 

Product parts and materials WZ40H-40 type bellows gate valve parts and materials

 

model material
Valve body, valve cover, gate Valve stem Sealing surface filler Bellows
WZ40H-40 Carbon steel Chrome stainless steel Chromium stainless steel or carbon steel surfacing hard alloy Flexible graphite or stainless steel wire flexible graphite Austenitic stainless steel

Product shape and structure size WZ40H-40 bellows gate valve shape and structure size (mm)

DN H L W t d G C D z×?d1
20 311 152.5 110 16 20 43 82.5 120 4×?18
25 442 165 150 17.5 25 51 89 125 4×?18
40 509 190.5 150 21 42 73 114.5 155 4×?22
50 624 216 200 22.4 51 92 127 165 8×?19
80 744 283 250 28.5 76 127 168 210 8×?22
100 906 305 250 31.8 102 157 200 254 8×?22
150 1148 403 350 36.6 152 216 270 318 12×?22
200 1404 419 400 41.2 203 270 330 381 12×?25
250 1724 457 450 47.8 254 324 387.5 444 16×?29