Wenzhou Wofer Valve Co., Ltd. presents our premium API Cast Steel Swing Check Valve, engineered for reliable one-way flow control and automatic prevention of backflow in critical pipeline systems. This robust swing type check valve features a full-bore design with a hinged disc that swings freely on a pin, providing low pressure drop, minimal turbulence, and excellent sealing performance under various operating conditions.
Manufactured to strict API 6D and API 600 standards (with optional API 594 compliance), face-to-face dimensions per API 6D / ASME B16.10, flanged ends according to ASME B16.5, and thoroughly tested per API 598, our valve ensures long-term durability, tight shut-off, and dependable performance in demanding applications.
Key Specifications:
Pressure Ratings: Class 150, 300, 600, 900, 1500 (up to 2500 LB available)
Temperature Range: -29°C to 425°C (depending on material selection)
Suitable Media: Water, oil, gas, steam, petrochemical fluids, and non-corrosive liquids
Size Range: 2" to 24" (DN50 to DN600)
Body Material: ASTM A216 WCB (carbon steel), A351 CF8/CF8M (stainless steel), or other alloys upon request
Disc & Hinge Pin: ASTM A182 F6a, F304, F316, or hard-faced for enhanced wear resistance
Seat: Metal-to-metal or soft-seated (PTFE/RPTFE) options for bubble-tight shutoff
End Connections: RF/RTJ flanged, butt-weld, or other configurations
Features: Bolted cover, renewable seat rings, anti-rotation disc stop (optional), and external lever & weight/damper for controlled closing (available on request)
This API swing check valve is widely used in oil & gas pipelines, refineries, petrochemical plants, power generation, water treatment, and offshore platforms where reliable non-return protection is essential. Produced in Wenzhou, China – the world's valve manufacturing hub – Wofer Valve combines advanced casting, precision machining, and rigorous quality control to deliver valves that meet or exceed international performance standards.
Partner with Wenzhou Wofer Valve Co., Ltd. for competitive pricing, fast worldwide delivery, and customized solutions on API cast steel swing check valves. Contact us today for quotations, technical data sheets, 3D models, or bulk orders – ensure uninterrupted flow and system safety with proven check valve technology!
Keywords: API swing check valve, cast steel swing check valve, API 6D check valve, Class 150-1500 swing type check valve manufacturer, industrial non-return valve supplier Wenzhou China, full bore swing check valve, high-pressure API check valve, oil and gas check valve.
