This premium 4-inch Class 150 Swing Check Valve is manufactured from high-strength WCB Cast Steel, engineered to automatically prevent backflow in industrial piping systems. Featuring a full-port design, it offers minimal flow resistance and pressure drop. Complying strictly with API 594 and ASME B16.34 standards, this flanged check valve delivers reliable, long-term backflow protection for oil, gas, water, and steam processing.
🏭 Direct Factory Advantage:
Body Material: ASTM A216 WCB (Heavy-duty cast steel).
Design: Swing type with low pressure drop and smooth fluid passage.
Pressure Rating: ASME Class 150 (2.0 MPa equivalent).
Sealing: Precision-ground seat surfaces for tighter seal and backflow mitigation.
