Threaded Valve
Stainless Steel Threaded Swing Check Valve
不锈钢螺纹旋启式止回阀
Overview Stainless steel swing check valve with threaded ends. Horizontal installation. Allows unidirectional flow and prevents reverse flow automatically.
Product Details
Applications
01 Water and wastewater pumping lines
02 Oil and gas distribution
03 Chemical and petrochemical systems
04 Steam and condensate lines
05 Marine and industrial process
Features
01 Swing disc design – low pressure drop
02 Threaded ends: NPT, BSP, or BSPT (1/2" to 2")
03 Renewable seat and disc (PTFE or metal)
04 Bolted or threaded bonnet
05 Horizontal mounting required
06 Materials: CF8M (SS316), CF8 (SS304), or CF3M (SS316L)
Advantages
01 Prevents backflow automatically – no external power or actuator needed
02 Low flow resistance when fully open
03 Corrosion-resistant – suitable for aggressive and sanitary media
04 Easy installation – no welding or flanges
05 Renewable internal parts – extends service life
Standards
01 Design: ASME B16.34 / API 594 (applicable)
02 Thread: ASME B1.20.1 (NPT) or ISO 7-1 (BSP)
03 Face-to-face: Manufacturer standard
04 Testing: API 598 / ISO 5208
05 Pressure rating: Class 150 / Class 300 / 1000WOG
06 Temperature range: -20°C to 200°C (PTFE seat) / up to 400°C (metal seat)
07 Certifications: CE, PED (optional)
