Forged steel check valves are also piston check valves and swing check valves. Forged steel check valves are made of forged material for the body and trim.
Forged steel check valves are also piston check valves and swing check valves. Forged steel check valves are made of forged material for the body and trim.
Features
Standard Specifications
| Design | ASME B16.34 – BS 5352 | Test | API 598 |
| Socket Weld | ASME B16.11 | Screw End | ASME B1.20.1 |
| Butt Weld Ends | ASME B16.25 | End Flanges | ASME B16.5 |
Material Specifications
| No. | Part Name | Material | ||||
| Forged Carbon Steel | Hight Temperature | Forged Stainless Steel | Sour Service | Low Temperature Forged Steel | ||
| 1 | Body | ASTM A105N | ASTM A182 F11/F22 | ASTM A182 F304 | ASTM A105 | ASTM A350 LF2 |
| 2 | Cover | ASTM A105N | ASTM A182 F11/F22 | ASTM A182 F304 | ASTM A105 | ASTM A350 LF2 |
| 4 | Gasket | 304SS+Graphite | 316SS+Graphite | 316SS+Graphite | 316SS+Graphite | 316SS+Graphite |
| 5 | Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B7M | A320 L7M |
| 6 | Seat | STL Overlay | STL Overlay | STL Overlay | STL Overlay | STL Overlay |
| 7 | Disc | A182 F6a | A182 F6a | A182 F316 | A182 F6a Nace | A182 F316 |
| 8 | Spring | A276 316 | A276 316 | A276 316 | A276 316 | A276 316 |
Forged Steel Check Valve, Class 800, Full Port
| Size | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1-1/4″ | 1-1/2″ | 2″ |
| A (mm) | 80 | 80 | 90 | 110 | 127 | 150 | 180 | 210 |
| B (mm) | 55 | 55 | 60 | 78 | 88 | 92 | 108 | 145 |
| F, Piston Check Valve (mm) | 7 | 9 | 13 | 17.5 | 22.5 | 29.5 | 35 | 45 |
| F, Swing Check Valve (mm) | 8 | 9.6 | 14 | 18 | 24 | 30 | 36.6 | 48 |
| G (mm) | 32 | 32 | 38 | 48 | 56 | 64 | 78 | 85 |
| Weight (kg) | 1.4 | 1.4 | 1.6 | 3 | 4.3 | 5.6 | 10 | 16 |
Forged Steel Check Valve, Class 800, Reduced Port
| Size | 1/2″ | 3/4″ | 1″ | 1-1/2″ | 2″ |
| A (mm) | 80 | 90 | 110 | 150 | 180 |
| B (mm) | 55 | 60 | 78 | 92 | 108 |
| F, Piston Check Valve (mm) | 9 | 13 | 17.5 | 29.5 | 35 |
| F, Swing Check Valve (mm) | 9.6 | 14 | 18 | 30 | 36.6 |
| G (mm) | 32 | 38 | 48 | 64 | 78 |
| Weight (kg) | 1.3 | 1.6 | 2.8 | 5.6 | 9 |
Forged Steel Check Valve, Class 1500, Full Port
| Size | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1-1/4″ | 1-1/2″ | 2″ |
| A (mm) | 90 | 90 | 110 | 127 | 150 | 180 | 210 | 210 |
| B (mm) | 60 | 60 | 78 | 88 | 92 | 108 | 145 | 150 |
| F, Piston Check Valve (mm) | 7 | 9 | 12 | 15 | 20 | 27 | 32 | 40 |
| F, Swing Check Valve (mm) | 14 | 18 | 24 | 30 | 36.6 | 48 | ||
| G (mm) | 38 | 38 | 48 | 56 | 64 | 78 | 85 | 95 |
| Weight (kg) | 1.7 | 1.7 | 3.1 | 4.6 | 6.5 | 10.6 | 19 | 19 |
Forged Steel Check Valve, Class 1500, Reduced Port
| Size | 1/2″ | 3/4″ | 1″ | 1-1/2″ | 2″ |
| A (mm) | 90 | 110 | 127 | 180 | 210 |
| B (mm) | 60 | 78 | 88 | 108 | 145 |
| F, Piston Check Valve (mm) | 9 | 12 | 15 | 27 | 32 |
| F, Swing Check Valve (mm) | 9.6 | 14 | 18 | 30 | 36.6 |
| G (mm) | 38 | 48 | 56 | 78 | 85 |
| Weight (kg) | 1.7 | 3 | 4.4 | 10 | 18 |
