The very rich projects management experiences and one to one service model make the high importance of business communication and our easy understanding of your expectations for Newly Arrival China Diaphragm Type Liquid Level Remote Control Float Valve, Altitude Valve, President of our corporation, with whole workers, welcomes all buyers to visit our enterprise and inspect. Allow us to cooperate hand in hand to help make a fantastic potential.
The very rich projects management experiences and one to one service model make the high importance of business communication and our easy understanding of your expectations for China Remote-Control Float Valve, Water Level Control, We have now established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we have been looking forward to even greater cooperation with overseas customers based on mutual benefits. You should feel free to contact us for more details.
The double-clip disc check valves are single-disc swing check valves with double-clip connection. They are all ultra-thin check valves to prevent medium countercurrent in pipeline. The double-clip disc check valves of H74X and H74H have the advantages of simple structure, beautiful appearance, light weight and convenient installation. It is mainly suitable for water supply system, petroleum, chemical, metallurgical and other industrial sectors. It is most suitable for places with limited installation space. H74 series double-clip disc check valves are designed with double-clip connection, through single-disc swing type automatic valves, and stainless steel or Stelli surfacing can be used for the sealing surface of valve body and disc.
Technical data
PN(MPa) Nominal pressure |
1.0 |
1.6 |
2.5 |
4.0 |
(MPa) Shell testing pressure |
1.5 |
2.4 |
3.75 |
6.0 |
(MPa) Seal testing pressure |
1.1 |
1.76 |
2.75 |
4.4 |
°C Suitable temperature |
<400(Hard seal) <120(<250)(Soft seal) |
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Suitable mediums |
Oil, water, acid and alkali liquid |
Meterial of main parts
Part name |
Valve body, valve disc |
Seat ring |
Meterial |
Garbon steel, stainless steel, copper |
NBR,EPDM,PTFE |
Main Dimension
DN(mm) | d | L | D | ||||
I | II | PN1.0MPa | PN1.6MPa | PN2.5MPa | PN4.0MPa | ||
50 | 25 | 15 | 22 | 109 | 109 | 109 | 109 |
65 | 38 | 15 | 22 | 129 | 129 | 129 | 129 |
80 | 46 | 15 | 22 | 144 | 144 | 144 | 144 |
100 | 72 | 15 | 24 | 164 | 164 | 170 | 170 |
125 | 95 | 16 | 26 | 194 | 194 | 186 | 186 |
150 | 114 | 19 | 29 | 221 | 221 | 226 | 226 |
200 | 140 | 29 | 43 | 275 | 275 | 286 | 293 |
250 | 188 | 29 | 43 | 330 | 331 | 343 | 355 |
300 | 216 | 38 | 50 | 380 | 386 | 403 | 420 |
350 | 263 | 41 | 52 | 440 | 446 | 460 | 477 |
400 | 305 | 51 | 62 | 491 | 498 | 517 | 549 |
450 | 356 | 51 | 62 | 541 | 558 | 567 | 574 |
500 | 406 | 65 | 80 | 596 | 620 | 627 | 631 |
600 | 482 | 70 | 90 | 698 | 737 | 734 | 750 |