This Risbridger 2" pressure overfill prevention valve is designed for tank-top installation on commercial diesel and HVO storage tanks. It helps protect tanks during pressure deliveries, with a normally closed design that also provides an anti-syphon function.
The valve has a 2" male BSPT base and a compact four-bolt flanged inlet for connection to incoming delivery pipework. This version is supplied without a weld socket, allowing the appropriate tank connection arrangement to be specified separately.
Key features
- Pressure overfill prevention valve for commercial diesel and HVO storage applications
- Suitable for above-ground tank-top installation and pressure deliveries
- 2" male BSPT valve base
- Supplied without a weld socket
- Suitable for diesel and biodiesel/FAME blends
- Operating flow range: 10 to 600 litres per minute
- Suitable for delivery pressures up to 8 bar maximum
- Suitable for fuel and oil with a viscosity of SAE10 or lower
- Compact four-bolt flanged inlet connection
- Cartridge construction allows access for inspection and testing without dismantling pipework
- No dynamic seals
- Normally closed operation provides an anti-syphon function
Installation and operating information
- Approximate fluid shut-off level: 135 mm below the top surface of the tank lid
- The valve must be installed using a suitable, correctly specified tank connection arrangement.
- This valve is not a zero-leakage shut-off valve and must not be used as an alternative to a shut-off valve in continuously pressurised systems.
Materials
- Anodised aluminium
- Stainless steel
- Viton A (FKM)
- HDPE closed-cell foam