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Swing Check Valve

Specification of Swing Check Valve

ParameterDetails
Size Range3/8" – 48" (DN10 – DN1200)
Pressure RatingCLASS 150 – CLASS 2500 (PN10 – PN420)
Design StandardAPI 6D, API 594, BS 1868, ASME B16.34
Face-to-FaceASME B16.10
Flange StandardASME B16.5, ASME B16.47, EN 1092-1
Butt Weld EndsASME B16.25
Inspection & TestingAPI 598, ISO 5208
Body MaterialsASTM A216 WCB, A217 WC6/WC9, A351 CF8/CF8M, Duplex Stainless Steel
Disc MaterialWCB, CF8, CF8M, Duplex SS, Alloy Steel
Seat MaterialIntegral Metal Seat, Stainless Steel Overlay, Hardfaced Stellite
Bonnet TypeBolted Bonnet, Pressure Seal Bonnet (Optional)
End ConnectionsFlanged, Butt Weld, Socket Weld
OperationAutomatic Swing Disc
Flow DirectionOne-Way Flow
Temperature Range-160 to 595 Degree
Applicable MediumWater, Steam, Oil, Gas, LNG, Chemicals
Leakage StandardAPI 598
Optional FeaturesBypass Connection, Lever & Counterweight, Hydraulic Damper, Renewable Seat


Features of Swing Check Valve

Hinged Swing Disc MechanismEquipped with a pivoted disc design, the Swing Check Valve uses fluid force to rotate the disc away from the seat during forward flow and automatically returns to the closed...
Features of Swing Check Valve

Hinged Swing Disc Mechanism

Equipped with a pivoted disc design, the Swing Check Valve uses fluid force to rotate the disc away from the seat during forward flow and automatically returns to the closed

position when flow stops or reverses.


Low Flow Resistance & Minimal Pressure Loss

The full-opening swing disc provides a straight-through flow path, reducing turbulence and pressure drop, making it ideal for high-capacity pipeline systems.


Excellent Performance in Large Diameter Pipelines

The swing disc structure is particularly suitable for large-size valves, offering reliable non-return protection for high-flow applications in oil, gas, power, and water systems.


Self-Actuated Backflow Protection

No external actuator or power source is required. The valve responds automatically to flow conditions, preventing reverse flow and protecting pumps, compressors, and rotating equipment.



Swing Disc with Replaceable Seat Design

The disc and seat design allows easier maintenance and replacement, extending valve service life while reducing lifecycle costs.


Reliable Sealing at Reverse Flow Conditions

The disc weight and back pressure work together to provide dependable shutoff performance, ensuring effective isolation during reverse flow events.


Heavy-Duty Hinge Pin Construction

Precision-engineered hinge pins and bushings provide smooth disc rotation, improved wear resistance, and stable operation during repeated cycles.


Suitable for High Flow Velocity Applications

The robust disc assembly and optimized flow passage enable stable operation in demanding systems with fluctuating flow conditions.


Versatile Installation Options

Available for horizontal pipelines and selected vertical installations, providing flexibility for different piping layouts and system requirements.



Features of Swing Check Valve
SAVVY IMPORT AND EXPORT CO., LTD.
minaxue@savvyft.com
+86-18958911667
Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
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minaxue@savvyft.com
+86-18958911667
Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
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Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
minaxue@savvyft.com +86-18958911667
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