The Cirval is a lever-operated gas pressure regulator controlled by a diaphragm and setting spring which controls the valve. Mainly used for medium and low pressure natural gas distribution networks, as well as commercial and industrial applications. It should to be used with previously filtered non-corrosive gases. According to the European Standard EN 334, it is classified as Fail Open. The Cirval is Hydrogen Ready for NG-H2 blending.

Medium-Low Pressure Gas Regulator.
Features:
- Accuracy class AC: up to 10
- Nominal orifice sizes 3/4″, 1″ 1/2″
- Lock-up pressure class SG: up to 20
- Design pressure: up to 125 psig
- Design temperature: from –20-140F
- Connections: 1″ 1/4, 1″ 1/2, 2″ according to ANSi B1.20.1 and 2″ S.125FF according to ANSI B15.5
- Minimum differential pressure: 1.0 psig
- Range of downstream pressure 7.0” W.C, 14.0” W.C,2.0,5.0 and 10 psig delivery
- Inlet pressure range 125 psig