We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for 2019 Latest Design DN200 8″ DIN ANSI 150lb JIS 10K Di Wcb SS304 CF8 Stainless Carbon Steel 2205 2507 Brass SS304 316 Disc Plate Pn16 Single Leaf Thin Stop Non-Return Check Valve, Our merchandise have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. On the lookout ahead to create up a fantastic and long lasting cooperation along with you in coming foreseeable future!
We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for China Single Valve and Check Valve, Welcome to visit our company, factory and our showroom where displays various products that will meet your expectation. Meanwhile, it is convenient to visit our website, and our sales staff will try their best to provide you the best service. Please contact us if you need more information. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation.
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 |