Our advantages are lower prices,dynamic sales team,specialized QC,strong factories,high quality products and services for High Quality China Manufacturer Forged/Casting Female Thread Brass Check Valve, While using the improvement of society and economy, our enterprise will hold a tenet of “Focus on trust, high quality the first”, moreover, we count on to make a glorious long run with each and every customer.
Our advantages are lower prices,dynamic sales team,specialized QC,strong factories,high quality products and services for Brass Fitting£¬check valve manufacturer, China Brass Valve, We’ve a large share in global market. Our company has strong economic strength and offers excellent sale service. Now we have established faith, friendly, harmonious business relationship with customers in different countries. , such as Indonesia, Myanmar, Indi and other Southeast Asian countries and European, African and Latin American countries.
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 |
¡ãC 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 |