Implementation of standards 1. Design and manufacture and acceptance by the Japanese standard power valve E101 and JB/T3595, DL/T531 standards. 2. groove weld size according to GB12224, JB/T3595, ASME B16.25 standards or by user request piping size. 3. the pressure - temperature rating by E101, JB/T3595 standards. 4. the structure of the length by the E101, JB/T2766, GB/T15188.1 standards.
Performance Specifications | Nominal pressurePN（Mpa） | Test pressurePs(Mpa) | Working pressure | Degree of operating temperature | Applicable medium | | Intensity | Seal (liquid) | P54 | P55 | P57 | | 10.0 | 15.0 | 11.0 | | | | ≤425 | Water, steam oil | | 16.0 | 24.0 | 17.6 | | | | | 20.0 | 30.0 | 22.0 | | | | | 25.0 | 37.0 | 27.5 | | | | | 32.0 | 48.0 | 36.0 | | | | | P5410 | 30.0 | 22.0 | 10 | | | ≤540 | Steam | | P5414 | 37.0 | 27.5 | 14 | | | | P5417 | 48.0 | 36.0 | 17 | | | | P5510 | 37.0 | 27.5 | | 10 | | ≤550 | | P5514 | 48.0 | 36.0 | | 14 | | | P5517 | 53.0 | 39.0 | | 17 | | | P5710 | 48.0 | 36.0 | | | 10 | ≤570 | | P5714 | 55.0 | 40.0 | | | 14 | | P5717 | 60.0 | 44.0 | | | 17 |
Main parts materials | Serial number | Parts Name | Material | | 1 | Body | WCB、WC6、WC9、20CrlMoV | | 2 | Seat | ASTM A105、12CrlMoV | | 3 | Flashboard | WCB、WC6、WC9、20CrlMoV | | 4 | Stem | 2Cr13、30CrlMoALA、25Cr2Mo1V | | 5 | Floating valve cover | WCB、WC6、20CrMoV | | 6 | Ring | Forming graphite, mild steel | | 7 | Tetraena Central | 1Cr13、20CrlMoV | | 8 | Double-headed stud | 35、35CrMo、25Cr2Mo1V | | 9 | Hex Nuts | 45、35CrMo | | 10 | Filler | Flexible Graphite | | 11 | Stent | WCB、WC6 | | 12 | Drive | Assembly |
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