Technical Datasheet
Product Name: Forged Steel Lifting Check Valve
Model: 1″-600LB SW Lifting Check Valve
- General Information
Item | Spezifikation |
Ventiltyp | Lifting Check Valve (Piston / Disc Type) |
Nenngröße | 1 inch (DN25) |
Druckbewertung | Class 600 |
Connection Type | Socket Weld (SW) Ends |
Body / Bonnet Material | ASTM A105 (Carbon Steel) or ASTM A182 F316 (Stainless Steel) |
Betrieb | Automatic (Flow-dependent) |
- Technical Specifications
Item | Spezifikation |
Druckbewertung | Class 600 (PN100) |
Shell Test Pressure | Approx. 1500 psi (10.3 MPa) |
Seal Test Pressure | Approx. 1100 psi (7.6 MPa) |
Design Temperature | -29°C to +425°C (Carbon Steel) / -196°C to +425°C (Stainless Steel) |
Applicable Media | Water, Oil, Gas, Steam, Non-corrosive / Corrosive Fluids (depending on material) |
Cracking Pressure | Low (typically 0.1–0.5 psi / 0.007–0.035 bar) |
- Main Material of Parts
Part Name | Material | Material Grade (Reference) |
Körper | Forged Carbon Steel / SS | ASTM A105 / A182 F316 |
Bonnet / Cover | Forged Carbon Steel / SS | ASTM A105 / A182 F316 |
Disc / Piston | Stainless Steel | 13Cr (AISI 410) / F304 / F316 |
Seat Ring | Stainless Steel | 13Cr / F304 / F316 (Integral or welded) |
Frühling (if applicable) | Stainless Steel | AISI 302 / 316 |
Gasket | Spiral Wound / Graphite | 304SS + Graphite / PTFE |
Bonnet Bolts | Alloy Steel / SS | ASTM A193 B7 / A193 B8 |
- Main Dimensions & Connection Data (Unit: mm)
Note: Socket Weld ends conform to ASME B16.11.
Size (NPS) | Socket Bore Dia (B) | Socket Depth (L2) | Face to Face (End to End) (L) | Center to Top Height (H) approx. |
1″ (DN25) | 33.5 | 10 | API 602 Standard: 216 mm | Varies by design |
Note: Dimensions above are typical. Final dimensions should be based on approved manufacturer drawings.
- Applicable Design Standards
- Design & Manufacture: API 602 (Compact Forged Valves) / ASME B16.34
- Face-to-Face Dimensions: ASME B16.10 or API 602
- End Connections: ASME B16.11 (Socket Weld)
- Pressure-Temperature Rating: ASME B16.34
- Inspection & Testing: API 598
- Product Features
- Lifting (Piston) Type Design: The disc lifts vertically within the body, providing a guided, stable operation that minimizes wear and ensures positive sealing.
- Forged Construction: ASTM A105 or F316 forged body provides superior strength and reliability for Class 600 high-pressure applications.
- Socket Weld Ends: Provides a permanent, leak-free connection suitable for high-integrity piping systems.
- Compact Design: Short face-to-face dimensions (per API 602) make it ideal for tight piping layouts.
- Automatic Operation: Prevents reverse flow without external actuation; disc closes automatically when flow reverses.
- Horizontal Installation: Lifting check valves are typically installed in horizontal pipelines with the bonnet vertical (upward) for proper operation.
Remarks:
- Material Options: Available in A105 Carbon Steel (for non-corrosive services like water, oil, steam) or F316 Stainless Steel (for corrosive services). Specify material grade when ordering.
- Installation: Ensure the valve is installed with the flow direction arrow oriented correctly and the bonnet facing upward (vertical) for reliable disc operation.
- Spring-Assisted Option: For vertical or low-flow applications, a spring-assisted disc can be provided to ensure prompt closing.
- For specific dimensional data and torque values, please refer to the official certified drawings from the manufacturer.
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