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Cirval Lever-operated Gas Pressure Regulator
Brand: Pietro Fiorentini S.p.A.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.
Features- Compact and Simple Design
- High Accuracy
- Fail Open Plug and Seat Regulator
- Balanced Type
- Top Entry
- Easy Maintenance
- Built-in Accessories
- Biomethane Compatible and 20% Hydrogen Blending Compatible - Higher Blending Available on Request
Specifications
Brand
Body
- Ductile iron GS 400-18 ISO 1083
Cover
- Die cast aluminum
Seat
- Brass
Diaphragm
- Nitrile rubber
Sealing Ring
- Nitrile
Approvals
- ANSI B109.4
- CSA 6.18
Accuracy Class AC
- Up to 10
Nominal Sizes DN
- 3/4″
- 1″ 1/2
Lock-up Pressure Class SG
- Up to 20
Design Pressure
- Up to 8.6 bar
Design Temperature
- From -20 °C to +60 °C
Connections
- 1″ 1/4
- 1″ 1/2
- 2″ according to ANSi B1.20.1
- 2″ S.125FF according to ANSI B15.5
Minimum Differential Pressure
- 0.12 bar
Range of Downstream Pressure Wd
- From 0.017 to 0.82 bar
Inlet Pressure Range bpu
- From 0.13 to 5 bar