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Vertical liquefied gas check valve
Product Type: H42N
Nominal diameter: DN50 ~ 300mm
Nominal pressure: PN2.5MPa The
main material: carbon steel WCB
Nominal pressure PN Strength test pressure Mpa Air seal test pressure Mpa Low pressure seal test (Mpa) Suitable media
2.5 3.75 2.75 (-40 ~ + 80)

 

Main parts material:

Part Name material
Body valve cover Carbon steel WCB
Disc 25 # Nylon 1010 sealing surface
Flange bolts 35CrMoA
Flange nut 35 #


H42N main dimensions and connection dimensions

DN L D D1 D2 b f zd
50 140 160 125 100 20 3 4- * 18
65 160 180 145 120 22 3 8- * 18
80 185 195 160 135 22 3 8- * 18
100 210 135 190 160 24 3 8- * 23
125 250 270 220 188 28 3 8- * 25
150 300 300 250 218 30 3 8- * 25
200 380 375 310 278 34 3 12- * 25


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