
Model HM-GAD - Float Control Valve
From Waterworks Valves - Hydromodul Series
The valve controls tanks and reservoirs emptying and avoids overflow. The valve operates by means of a differential hydraulic float complete with regulating levels mounted on the tank side. The float maintains the valve closed and opens only when the minimum pre-set level is reached. Once the valve is open, float allows tank inlet until maximum water level is reached again.
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Applications
- Controlled maintaining of constant water level in tanks and reservoirs.
Main Features
- simple structuration, compactedness and easy disassembly
- head loss and cavitation risks reduction
- special hydraulic profile
- excellent corrosion strenght
- conformity with both European and American standards
- easy installation
- multiple function, V-PORT plug option
- perfect seal
Typical Applications
- water supply and distribution
- fire protection systems
- water treatment
- fuel stock plants
- water supply stations (airports, marine and fluvial ports)
- sport centers (swimming pools, aquariums, amusement parks)
- pump stations
Technical Characteristics
- high hydrodynamic section globe body, without stagnation pockets
- standard ductile cast iron casting
- epoxy-polyester resin powder painting
- entirely guided travel seal disc
- standard stainless steel seal seat with cavitation risks reduction
- open pass no less than 80% of nominal diameter
- optional V-PORT seal disc
- stainless steel exagonal heads bolts
- wax sealing on request
- stainless steel shaft, seal disc, spacer and return spring
- reinforced NBR diaphragm
- on request Viton diaphragm
- easy maintenance and access to internal parts without removing the valve from the pipeline
- purchased valve function can easly be changed with simple pilot circuit modifications
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