The Risbridger RIS-STOP-3SF-FLNG-AF is a splash-fill overfill prevention valve for commercial diesel and HVO storage tanks. It is designed for above-ground pressure delivery installations and incorporates an extended adjustable float to allow the shut-off level to be set to suit the tank installation.
This flanged version has a 4" square flange base for tank-top mounting and a 3" square flanged inlet for connection to the incoming delivery pipework.
Key features
- Overfill prevention valve for commercial diesel and HVO storage tanks
- Extended adjustable float for adjustable shut-off height
- Suitable for above-ground pressure delivery installations
- 4" square flange base
- 3" square flanged inlet
- 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