1″-600LB-SW Close Die Forged Lifting Check Valve

Valve Type Lifting Check Valve (Piston / Disc Type)
Nominal Size 1 inch (DN25)
Pressure Rating Class 600
Connection Type Socket Weld (SW) Ends
Body / Bonnet Material ASTM A105 (Carbon Steel) or ASTM A182 F316 (Stainless Steel)
Operation Automatic (Flow-dependent)

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1″-600LB-SW Close Die Forged Lifting Check Valve

Technical Datasheet

Product Name: Forged Steel Lifting Check Valve
Model: 1″-600LB SW Lifting Check Valve

General Information

Item	사양
밸브 유형	Lifting Check Valve (Piston / Disc Type)
공칭 크기	1 inch (DN25)
압력 등급	Class 600
Connection Type	Socket Weld (SW) Ends
Body / Bonnet Material	ASTM A105 (Carbon Steel) or ASTM A182 F316 (Stainless Steel)
작업	Automatic (Flow-dependent)

Technical Specifications

Item	사양
압력 등급	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	재료	Material Grade (Reference)
몸	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)
봄 (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.

보증:

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