UL/FM Grooved Swing Check Valve for Fire Protection
350PSI Grooved Swing Check Valve Model: MH-XQH-350G
350PSI Flanged Swing Check Valve Model: MH-XQH-350F
350PSI Flanged Grooved Swing Check Valve Model: MH-XQH-350GF-A
350PSI Grooved Flanged Swing Check Valve Model: MH-XQH-350GF-B
Technical Features
- Normal Pressure: 350PSI
- Groove standard : AWWA C606
- Sizes: 2",2½", 3", 4", 5",6", 8", 10", 12"
- Approvals: UL, FM
- Flange Standard: ASME/ANSI B16.1 Class 125 or ASME/ANSI B16.42 Class 150 or BS EN1092-2 PN16 or GB/T9113.1.
- Maximum Working Pressure: 350 PSI (Maximum Testing Pressure: 700 PSI)
- Maximum Working Temperature: 0°C to 80°C
- Fusion bonded epoxy coated interior and exterior RAL3000 conforms to AWWA C550
- It is mainly used in one-way flow pipeline to prevent the water from back flow.