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 |