The Risbridger RIS-STOP-3P-23100 is a normally closed, fail-safe and testable mechanical overfill prevention valve for pressure-fill fuel storage tanks. It is suitable for above- and below-ground installations and is supplied with a 2 m drop tube, but without a flexible connector.
According to the Risbridger part-number matrix, this configuration has a 3" ANSI 150 flanged body and a 2" flanged float with a 1,200 mm float tube.
Key features
- Normally closed, fail-safe mechanical overfill prevention valve
- Suitable for pressure-fill fuel storage installations
- 3" ANSI 150 flanged body
- 2" flanged float with 1,200 mm float tube
- Supplied with a 2 m drop tube
- Supplied without a flexible connector
- Flow operating range: 10 to 1,500 litres per minute
- Operating pressure range: 0.15 to 5 bar
- Tested to 8 bar
- Operating temperature range: -25°C to +60°C
Fuel suitability
- Petroleum spirit, including ethanol blends up to 90%
- Diesel and biodiesel/FAME blends
- Avgas and jet fuel
Important information
The RIS-STOP-3P 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.