Z44H, Z44Y type PN16 ~ PN160 Steel Parallel Gate Valve: Manual, flanged, clear rigid rod parallel double plate, the valve seat sealing surface material for welding stainless steel (Z44H), surfacing alloy (Z44Y), nominal pressure PN16 ~ PN160, body material is carbon steel (Z44H-16C ~ 160C Z44Y-16C ~ 160C), Cr-Mo steel (Z44Y-16I ~ 160I), stainless steel (Z44Y-16P ~ 160P Z44Y- 16R ~ 160R) of the valve. 

 Product performance parameters 
 Z44H, Z44Y type PN16 ~ PN160 Steel Parallel Gate Valve PN model the main parameters Working pressure / MPa for the temperature / ℃ Suitable Medium 
 Z44H-16C ~ 160C 16 ~ 160 1.6 ~ 16.0 ≤ 425 gas, water, steam, oil 
 Z44Y-16C ~ 160C 
 Z44Y-16I ~ 160I ≤ 550 water, steam, oil 
 Z44Y-16P ~ 160P ≤ 150 nitric acid 
 Z44Y-16R ~ 160R acetic acid 

 Materials, product components, 
 Z44H, Z44Y type PN16 ~ PN160 Steel Parallel Gate Valve Parts Material Type Material 
 Body, bonnet, gate valve stem packing sealing surface 
 Z44H-16C ~ 160C stainless steel, carbon steel, chromium stainless steel welding Flexible Graphite 
 Z44Y-16C ~ 160C cobalt chromium tungsten carbide hardfacing 
 Z44Y-16I ~ 160I chrome molybdenum steel chrome molybdenum steel 
 Z44Y-16P ~ 160P Cr-Mo steel, titanium steel, chromium, molybdenum and titanium or PTFE flexible graphite 
 Z44Y-16R ~ 160R chrome-nickel steel, chromium, molybdenum and titanium steel, nickel-molybdenum and titanium 

 Product shape and structure size 
 Z44H, Z44Y type PN16 Gate Valve steel parallel structure of the main shape and dimensions (mm) DN DN / in LDH H1 D0 Weight / kg 
 40 1 ? 240 145 375 420 250 21 
 50 2,250,160,375,430,250 23 
 65 2 ? 270 180 445 517 300 37 
 80 3,280,195,445,530,300 39 
 1,004,300,215,510,510,300 52 
 125 5,325,245,665,800,350,100 
 150 6,350,280,658,818,350,119 
 200 8,400,335,681,891,400,186 
 250 10 4,504,058,701,130,450,263 
 300 12 5,004,608,701,130,500,385 
 350 14 5,505,209,201,280,550,514 
 400 1,660,058,010,401,450,700 800 
 450 1,865,064,011,401,600,700 1060 
 500 2,070,070,512,901,800,700 1450 
 600 2,480,084,014,902,100,900 1750 
 700 2,890,091,024,203,130,900 2160 
 800 32 1000 1,020,189,027,009,002,470 

 Z44H, Z44Y type PN25 Gate Valve steel parallel structure of the main shape and dimensions (mm) DN DN / in LDH H1 D0 Weight / kg 
 40 1 ? 240 145 385 430 250 21 
 50 2,250,160,390,430,250 24 
 65 2 ? 270 180 445 517 300 37 
 80 3,280,195,450,530,300 38 
 1,004,300,230,510,620,300 58 
 125 5,325,270,665,800,350,100 
 150 6,350,300,685,818,350,119 
 200 8,400,360,690,891,400,197 
 250 10 4,504,258,701,130,450,287 
 300 12 5,004,859,901,300,500,385 
 350 14 5,505,509,201,280,550,514 
 400 1,660,061,010,401,450,700 800 
 450 1,865,066,011,401,600,700 1060 
 500 2,070,073,012,901,800,700 1450 
 600 2,480,084,014,902,100,900 1750 
 700 2,890,095,516,902,400,900 2160 
 800 32 1000 1,070,189,027,009,002,470