H77X Full Glue-lined Desulfurization Check ValveProduct overviewProduct model: H77XNominal diameter: DN40~800mmNominal pressure: PN1.0 ~ 2.5MPaApplicable medium: water, gas, oil, nitric acid, etcDesign standard: JB/T8527-97Test standard: GB/T13927-92Structure length in line with: GB/T12221-1989, ISO5752-8
H77X Full Glue-lined Desulfurization Check Valve technical parameter
model | Nominal pressure PN (MPa) | Test pressure PN (MPa) | Working temperature (℃) | Suitable media |
case | seal |
H77X H77H H77Y H77W | 1 | 1.5 | 1.1 | Soft Seal: <80 Hard Seal: <450 | Water, gas, oil, nitric acid and so on |
1.6 | 2.4 | 1.76 |
2.5 | 3.75 | 2.75 |
4 | 6 | 4.4 |
6.4 | 9.6 | 7 |
H77X Full Glue-lined Desulfurization Check Valve main dimensions
Said diameter DN (mm) | L | D 2 | D 3 | Nominal diameter DN (mm) | L | D 2 | D 3 |
H77X | H77H | H77X | H77H |
H77Y | H77Y |
H77W | H77W |
50 | 43 | 100 | 43 | 46 | 400 | 140 | 485 | 376 | 390 |
80 | 64 | 135 | 71 | 80 | 450 | 152 | 545 | 427 | 427 |
100 | 64 | 155 | 91.5 | 94 | 500 | 152 | 608 | 479 | 490 |
125 | 70 | 185 | 115 | 118 | 600 | 178 | 718 | 579 | 588 |
150 | 76 | 210 | 141 | 145 | 700 | 229 | 800 | 675 | 686 |
200 | 89 | 265 | 191 | 200 | 800 | 241 | 905 | 774 | 784 |
250 | 114 | 320 | 230 | 250 | 900 | 241 | 1005 | 875 | - |
300 | 114 | 320 | 230 | 250 | 900 | 241 | 1005 | 875 | - |
350 | 127 | 435 | 340 | 340 | 1200 | 350 | 1325 | 1164 | - |