API 594 Wafer Check Valves, ASTM A351 CF8M, 4 IN, CL300, Lug

Product Name: API 594 Wafer Check Valves
Type: Wafer Check Valve
Design Standard: API 594
Body Material: ASTM A351 CF8M
Size: 4 Inch, DN100
Pressure: Class 300 LB, PN50
End Connection: Lug
Temperature Range: -29°C to 595°C
Medium: Water, Gas, Oil, etc.

We specialize in manufacturing wafer check valves with a distinctive center vertical pin shaft design. When the valve opens, the fluid's resultant force is concentrated on the disc's sealing face center, while the counter spring support force is applied to the disc surface center. This innovative design allows the disc to open from its root first, thereby avoiding the sealing surface wear typically seen in traditional valves and significantly improving the valve seal's durability. The wafer check valve functions automatically, opening and closing in response to the medium's flow, and is specifically engineered to prevent the medium's reverse flow.

Technical Specification

» Product: Dual Plate Check Valve
» Nominal Diameter: NPS 2-60 Inch (DN50-DN1500)
» Design Pressure: Class 150-2500 LB (PN10-PN420)
» Materials: ASTM A216 WCB, WCC, A217 WC6, WC9, C5, C12A, A352 LCB, LCC, A351 CF8, CF8M, CF3M, CF8C
» End Connections: Wafer, Lug, Clamp, Flanged
» Medium: Water, gas, oil, etc.
» Temperature Range: -29°C to 595°C

Standards and Compliance

» Design and Manufacture: API 594, API 6D, JB/T 8937
» Face to Face (End to End): API 594, API 6D, JB/T 8937, DIN 3202
» Flanged Connection: ANSI B16.5, DIN 2543-2548, JB/T 9112-24
» Butt Welded End: ANSI B16.25
» Test and Inspection: API 598, DIN 3230, JB/T 9092

Product Features

» Light and Compact: The wafer check valve is engineered to be lightweight and compact, facilitating easy installation and handling while conserving valuable space in diverse applications.
» Zero Leakage Sealing Design with Soft Seated: This valve boasts a zero leakage sealing design with a soft seat, guaranteeing a flawless seal and eliminating fluid leakage.
» Non-Slam Design: The valve is equipped with a non-slam design to prevent abrupt closure, thereby minimizing noise and potential damage to both the valve and connected piping.
» Bubble Tight Closure: Achieving a bubble-tight closure, the valve offers superior sealing reliability and effectively prevents backflow of the medium.
» Discs Open 85°: The discs open to an 85° angle, ensuring minimal pressure drop across the valve. This design optimizes flow efficiency and reduces energy consumption.