What is a Float Valve?
A Float Valve controls the discharge of a pipeline fluid into a small tank automatically to a top level of fluid required. The float mechanism is fitted to the small bore valve and falls on the water level to open the valve and rises on the water level to close the valve.
Equilibrium Float Valves (For larger bore pipe discharge):
Our Fig. 501 Equilibrium Ball float Valve range which is WRAS approved (Water Regulation Advisory Scheme) for potable water, can be fitted to a larger bore inlet pipe 2” (50mm) to 12” (300mm) bore to automatically control the water flow by use of the float mechanism as above and the inlet line pressure operating a pressure balancing cylinder in the valve enabling the larger bore equilibrium valve to control the water flow into reservoirs and large water storage tanks, for drinking water and sprinkler fire protection system tanks.
Equilibrium Float Valve Construction
Materials used in the construction of the valve will include:
• Body/Cover – Cast Iron to Cover BSEN 1561 EN GJL 250
– Tough black Rilsan nylon coating heat fused to body/cover
• Seat Ring/Cylinder- Gunmetal to Valve Seat BS EN 1982 CC491K
• Disc – EPDM Rubber bonded to steel reinforcing plate
• Piston Seal – EPDM Rubber
• Float – Tough black Rilsan nylon coating heat-fused to steel float