WZ40H-40 bellows valve: manual drive, flange connection, the next shot flexible wedge gate structure, the valve seat sealing surface of stainless steel, nominal pressure PN40, carbon steel body material for the bellows valve . 

 Bellows bellows valve stem and packing with double seal structure to ensure no leakage at the valve stem seal, used in power plants, natural gas, ammonia, vacuum, refrigeration system, hot oil, hot water system, especially for flammable , explosive, toxic and expensive media pipeline. 

 】 【Product performance parameters 
 WZ40H-40-type main performance parameters of bellows type valve working pressure PN / MPa for the temperature / ℃ Suitable Medium 
 WZ40H-40 40 4.0 ≤ 425 non-corrosive media 


 【Material】 product components 
 WZ40H-40 bellows type valve components materials materials 
 Body, bonnet, gate valve stem packing bellows sealing surface 
 WZ40H-40 carbon steel, chromium stainless steel welding stainless steel or chromium carbide or folder flexible graphite flexible graphite austenitic stainless steel stainless steel wire 

 【Product Size】 shape and structure 
 WZ40H-40 bellows valve shape and structure size (mm) DN HLW td GCD 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