ASTM B148 C95800 Check Valve, Non-Slam, BS 1868, 6 IN, CL150

Key Specifications / Features

Model No.: JSC-240418-WCV-01

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Discover our high-quality non-slam axial check valve, expertly crafted from ASTM B148 C95800 bronze, meeting BS 1868 and ASME B16.34 standards. With a generous 6-inch (DN150) size and Class 150 LB (PN20) rating, this valve ensures reliable performance in various applications. Featuring metal seating, it minimizes pressure loss and guarantees efficient fluid flow. Trust in its superior design to prevent water hammer and ensure smooth operation in your systems.
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Detail Information

Axial Flow Check Valve

Valve description: Axial check valve, silent check valve, Non-Slam, low pressure loss

Body material: ASTM B148 C95800
Nominal diameter: 6 Inch (DN150)
Nominal class: Class 150 LB (PN20)
End connection: RF
Metal seat: STL
Mode of operation: /
Face to face: ASME B16.10
Test and inspection: API 598
Design and Manufacture: BS 1868 or ASME B16.34

The valve features an axially guided disc, securely seated by a combination of spring tension and back pressure. Under conditions where the upstream fluid force exceeds that of the spring tension, the disc will axially displace. This innovative design, comprising a contoured body-disc-diffuser arrangement, guarantees venturi flow dynamics, resulting in a streamlined axial flow configuration with minimal pressure drop across the valve.

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
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)

Axial Flow Check Valve Fully Open and Close Position Cross Section


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