The Risbridger RIS-STOP-3SF is a splash-fill overfill prevention valve for commercial diesel and HVO storage tanks. Designed for above-ground pressure delivery installations, it helps prevent overfilling while its normally closed design also provides an anti-syphon function.
This version has a 3" male BSPT base, a 3" square flanged inlet and is supplied with a 3" female BSP weld socket for tank-top installation.
Key features
- Overfill prevention valve for commercial diesel and HVO storage tanks
- Suitable for above-ground pressure delivery installations
- 3" male BSPT base
- 3" square flanged inlet
- Supplied with a 3" female BSP steel weld socket
- Pressure-fill flow range: 10 to 1,500 litres per minute
- Normal operating pressure: 4 bar
- Maximum delivery pressure: 8 bar
- Suitable for fuel and oil with a viscosity of SAE10 or lower
- Cartridge construction for installation, inspection and testing access
- No dynamic seals
- Normally closed design provides an anti-syphon function
Important information
- Suitable for commercial diesel fuel products and biodiesel/FAME blends; not suitable for petroleum spirit.
- 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
- Delrin (polyacetal)
- Viton A (FKM)
- HDPE closed-cell foam