Ductile Iron Nozzle Check Valve DN 600 PN16 With Silence And Wafer Tyep, Lift Disc Design
Model | PN(MPa) | TestPN(MPa) | Temperature (℃ ) | Medium | |
Sheel | Seal | ||||
H77X H77H H77Y H77W | 1.0 | 1.5 | 1.1 | rubber seal: <80 metal seal: <450 | Water, air, oil, acid etc., |
1.6 | 2.4 | 1.76 | |||
2.5 | 3.75 | 2.75 | |||
4.0 | 6.0 | 4.4 | |||
6.4 | 9.6 | 7.0 |
Parts | Material | |||||||||||||||||||
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body/ disc | WCB | CrMo | WCB | 1Cr18Ni9Ti | ||||||||||||||||
stem | 2Cr13 | 1Cr18Ni9Ti | 2Cr13 | |||||||||||||||||
seal ring | - | Steille | Alloy | - | - | |||||||||||||||
Spring | 1Cr18Ni9Ti | Alloy | 1Cr18Ni9Ti |
DN(mm) | L | D 2 | D 3 | DN(mm) | L | D 2 | D 3 | ||
H77X | H77H H77Y H77W | H77X | H77H H77Y 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 |
Application:
Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure
of medium will bring the result of opening and closing automatically.
When the medium is back-going, valve disc will automaticaly closed to avoid accidents.