| Name | Forge Check Valve |
| Size | 1/2"~ 2-1/2 " ; DN15 ~ DN65 |
| Normal pressure | 1 50LB~2500LB;PN16~PN42 |
| Design standard | API 60 2 , BS5352 ,A MSE 16.34 |
| M arked | MSS SP-25 |
| SW dimension | ANSI B16.11;JIS B2306;JB/T 1751 |
| BW dimension | ASME B16.25 ; DIN 3239,EN12627; JB/T12224 |
| Screwed dimension | ANSI B1.20.1; BS21;JIS BO20;JB/T 73.6 |
| End flange | ANSI B 16. 5, EN1092, DIN2543 ~ DIN2547 |
| Face to Face | ANSI B 16.10 , DIN3202,EN558-1,EN12982,ISO 5752 |
| Test standard | API598,DIN3230, EN12266, ISO 5208 |
| Suitable temperature | - 29 ~ 425 °C |
| Medium | Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc. |
| Acidic environment | NACE MR0175 |
| - R educe Port or Full Port |
| - Bolted Bonnet / Pressure Sealed Bonnet / Welded Bonnet |
| - Integral seat Seat |
| - Design : API 60 2 , BS5352 ,DIN,JIS,ANSI,BS,GB |
| - RF, RTJ, BW, SW, NPT, S.WxNPT, B.WxNPT, BSPB |
| - Forged Carbon Steel, Stainless Steel, Duplex Steel |
| Part Names | Part Materials | ||||||||
| Body | A105 | LF2 | F11/F22 | F304 | F316 | F304L | F316L | F51/F53 | |
| Cover | A105 | LF2 | F11/F22 | F304 | F316 | F304L | F316L | F51/F53 | |
| Disc | F6a | F304 | F6a | F304 | F316 | F304L | F316L | F51/F53 | |
| Seat/Seat Ring | F6a +STL | SS304 | SS304+STL | SS304 | SS316 | SS304L | SS316L | F51/F53 | |
| Bonnet Gasket | SS304+Graphite/SS3 16 +Graphite | ||||||||
| Bolts/Nuts | B7/2H | L7/4 | B16/4 | B8/8 | B8M/8M | B8/8 | B8M/8M | B8M/8M | |
| Suitable Medium | W.O.G etc. | HNO3, CH3OOH etc. | Urea etc. | ||||||
| Suitable Temperature | -29~425 °C | -46~340 °C | - 29 ~ 538 °C | -196~427 °C | -196~427 °C | -196~427 °C | -196~427 °C | -29~ 315 °C | |