The Itron SRV 801 and 811 relief valves are ideal for low pressure settings due to the increased sensitivity provided by a large diaphragm area. They provide a cost-effective solution to prevent safety shut of valves from triggering in case of thermal expansion, transient pressure surges and creep leaks from regulators.
The Itron SRV801/811 is a spring-loaded throttling relief valve, where a diaphragm measures the system (inlet) pressure, a spring provides the initial load to the diaphragm and establishes the relief set point, and a valve throttles the relief flow.
|Valve Type||Maximum Relief (inlet)||Pressure Setting Range||Connection size
|SRV 811R||1.5 bar||LP to 650 mbar||G ¾|
|SRV 811||1.5 bar||LP to 190 bar||G1|
- Compact design
- Accurate operation
- High flow capacity
- Tight shut-off
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