Description
| Name | Tilting Disc Check Valve |
| Size | 2″~24″; DN50~DN600 |
| Normal pressure | Class 150/300/600/900/1500/2500; PN16/PN25/PN40/PN64/PN100/PN160/PN250 |
| Design standard | BS1868,API 6D,ASME B16.34; DIN3356, EN10739 |
| Marked | MSS SP-25 |
| End flange | ANSI B 16.5,ASME B16.47; EN1092,DIN2543~DIN2547,AS2129 |
| Face to Face | ANSI B 16.10,API 6D; DIN3202,EN558-1,EN12982,ISO 5752 |
| Test standard | API598,API 6D; 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 |
Structure
| – Regular Port |
| – Bolted Bonnet / Pressure Sealed Bonnet / Welded Bonnet |
| -P.T Ratings to ASME B16.34 |
| – Renewable Seat |
| – Threaded or welded seat ring |
| – Design:BS1868, API 6D,DIN3356, EN10739,JIS,ANSI,GB |
| – Butt Weld Ends to ASME B16.25; DIN 3239,EN12627 |
| – Flanged Ends to ASME B16.5;DIN2543~DIN2547;EN1092 |
| – Cast or Forged Carbon Steel, Stainless Steel, Duplex Steel |
Main Part & Materials
| Part Names | Part Materials | |||||||
| Body | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN |
| Cover | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN |
| Disc | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN |
| Arm | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN |
| Arm Pin | A182 6a | A182 304 | A182 304 | A182 304 | A182 316 | A182 304L | A182 316L | A182 F53/F51 |
| Seat/Seat Ring | 13%Cr | SS304 | 13%Cr | SS304 | SS316 | SS304L | SS316L | A182 F53/F51 |
| Cover gasket | SS304+Graphite/SS304+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 |
Drawing
