ASTM A352 LCB Non-slam Check Valve, BS 1868, 16 IN, 150 LB
Key Specifications / Features
Model No.: JSC-240511-WCV-01
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Our ASTM A352 LCB check valves are manufactured according to BS 1868 and ASME B16.34 standards. Designed for reliability, they come in a size of 16 inches (DN400) with a pressure rating of Class 150 LB (PN20). These valves feature axial flow, non-slam characteristics, low pressure loss, and RF ends for secure connections.
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Detail Information
Axial Flow Check Valve
Valve description: Axial check valve, non-slam, low pressure loss, silent check valve
Design and Manufacture: BS 1868 or ASME B16.34
Body material: ASTM A352 LCB
Nominal diameter: 16 Inch (DN400)
Nominal class: Class 150 LB (PN20)
End connection: RF
Metal seat: STL
Face to face: ASME B16.10
Test and inspection: API 598
Mode of operation: /
The axially guided valve disc is held against the seat by a spring and back pressure. When the upstream fluid force exceeds the spring force, the disc will move axially off the seat. The contoured body-disc-diffuser arrangement assures venturi flow characteristics, ensuring minimal pressure drop across the valve and streamlined axial flow.
Axial Flow Check Valve - Features
1. Streamlined Axial Flow
The valve boasts a full-port expanded body design, ensuring a smooth, streamlined flow path that mitigates turbulence, erosion, and vibration. This design minimizes process downtime and maintenance costs.
2. Minimal Pressure Loss
With its venturi-shaped body facilitating high-pressure recovery and a full opening flow passage, this valve achieves remarkably low pressure loss. This translates to reduced operating costs for pumps and compressors.
3. Secure Shut-off
Metal-to-metal sealing between the disc and the seat guarantees a tight shut-off unaffected by erosion or material deformation, unlike soft seals.
4. Low Cracking Pressure
Engineered for stability, the valve's large disc with identical effective pressure areas on both sides ensures a low cracking pressure. This feature enhances the stability of compressor systems during startup.
5. Effortless Operation and Stability
The venturi-shaped throat area maintains low static pressure, creating a pressure differential over the disc for easy opening. The valve responds smoothly to flow changes and remains stable during operation.
6. Non-Slam Operation
Equipped with a spring-assisted design, the valve closes rapidly without causing backflow or pressure surges. This feature is especially crucial in critical applications like multi-pump systems or LNG trains.
7. Maintenance-Free
Built on robust mechanical engineering principles, Mokveld axial check valves require no maintenance, ensuring hassle-free operation.
8. Reliable Performance Prediction
Through meticulous full-scale laboratory flow tests and collaboration with fluid hydraulics experts, this valve offers highly accurate predictions of pressure drop and dynamic behavior, ensuring reliable performance in diverse applications.
Axial Flow Check Valve - Specifications and Standard
Design and Manufacture: BS1868 or ASME B16.34
Inspection and Test: API 598
End flange dimension: ASME B16.5, ASME B16.47 (API 605, MSS SP 44)
BW end dimension: ASME B16.25
Face to face, end to end: ASME B16.10
Pressure-temperature ratings: ASME B16.34
NACE: NACE 0175
Size Range: 2 Inch – 36 Inch
Pressure Range: ASME Class 150 – 2500 LB
Materials: ASTM A216 WCB, WCC, ASTM A217 WC1, WC6, WC9, ASTM A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M, ASTM A352 LC1, LCB, LCC, LC3, Hastelloy C276, Monel, Titanium and Alloy 20 (Cast Steel, Alloy Steel, Stainless Steel, Special Steel)
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