Double air valve, providing three functions:
- High flow rate air discharge capacity for pipe-filling operation,
- High flow rate air inlet for pipe drainage operation and in case of pipe burst,
- Continuous evacuation of air under normal working conditions (small orifice function).
- Ductile iron design.
- Patented reversible floating disc for closing under water or air flow conditions (type V1000 and V2000 only).
- Powder epoxy and cataphoresis coating,
- Available with or without built-in clockwise closing isolating valve,
- Version with isolating valve :
. 1/4 turn ball valve, with 19x19 lockable square cap on type
. Multi turns straight mounting valve, with 30x30 square cap on types V500 and V1000.
- Ball basket in stainless steel.
- Lateral body boss which can be drilled on request to enable the mounting of pressure gauges
- High aeraulic performances.
- Smooth operation provided by the floating disk.
- Minimum pressure 0,3 bar.
- Reduced space requirements.
- Built-in operation controller.
- Type V200 and V500 with closing under air flow conditions.
- Reinforced coating.
- Low pressure kit.
- Piped outlet.
- type V200: DN 40 to 100.
- type V500: DN 80 and 100.
- type V1000: DN 150 (and DN 200 with isolating valve).
- type V2000: DN 200.
Flange drilling according to standards EN 1092-2 and ISO 7005-2
- ISO PN 10/16 for DN 40 to 150,
- ISO PN 10 or 16 for DN 200,
- ISO PN 25 or 40 for DN 40 to 200,