A check valve (non-return valve) allows fluid to flow in one direction and automatically prevents backflow. SUNLIGHT manufactures swing, lift, wafer and ball-type check valves in stainless steel and carbon steel, designed for automatic operation without external actuation.
Key Features
- Body material: WCB, CF8 (304), CF8M (316), CF3M (316L), duplex 2205/2507
- Size range: 1/2″ – 24″ (DN15 – DN600)
- Pressure rating: Class 150 – Class 2500, PN16 – PN420
- Temperature range: -40°C to +425°C
- Types: swing check, lift check, wafer check, tilting-disc check, ball check
- Ends: flanged RF/RTJ, butt weld, socket weld, threaded NPT/BSP
- Design standard: API 6D, ASME B16.34; face-to-face: ASME B16.10
Typical Applications
Pump protection, compressor discharge, steam condensate, water supply, HVAC, oil & gas, chemical processing and any system where backflow must be prevented.