| Body Construction | Lift check valve, Swing check valve, Ball check valve. |
| Bonnet Design | Bolted bonnet, Welded bonnet, Pressure sealed bonnet |
| Design and Manufacture | API 602,BS 5352,ASME B16.34/B16.11/B1.20.1/B16.25 /B16.5 |
| Size Range | 1/2＂～4＂ |
| Pressure Ratings | 150LB-2500LB |
| Temperature Range | -196℃～500℃ |
| End Connections | Threaded,Socket-Welded,Butt-Welded,Flange Type(Welded flange &Integral flange) |
| Face to Face Dimension | ASME B16.10 and other standard |
| Inspection and Testing | API 598 and other standard. |
Body：A105,LF2,F11,F22,F304,F316,F321 and other material
Bonnet:A105,LF2,F11,F22,F304,F316,F321 and other material
Disc：SS420,F304,F316,F304L,F316L,LF2 and other material
Gasket:304+Graphite, 316+Graphite,304L+Graphite,316L+Graphite and other material
Bolt:A193 B7 ,A320 B8,A193 B8M,A320 L7 and other material
Nut:A194 2H,A194 8,A194 8M,A194-4 and other material
Spring: SS304,SS316, Inconel X-750 and other material
