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Products  >  500 Series  >  Control Functions  >  Level Control Valves  >    

Level Control Valves

FL - Modulating Float Controlled Valve
The main valve is controlled by a float valve, located in the tank orreservoir and set at the required maximum water level. The valve maintains the maximum level continuously. Optional Addition: Surge-Preventing Closure (SP).
FLDI 1 - Differential Float Controlled Valve
A Float valve (model 70-550) controls the main valve, closing it when the water reaches maximum level, and opening it when the water drops to its preset minimum level. The differential between the maximum and the minimum levels is adjustable, at a wide range. Optional Addition: Surge-Preventing Closure (SP).
FLDI 2 - Differential Float Controlled Valve
A Float valve (model 70-610) controls the main valve, closing it when the water reaches maximum level, and opening it when the water drops to its preset minimum level. The differential between the maximum level and the minimum levels is adjustable, at a limited range. Optional Addition: Surge-Preventing Closure (SP).
AL - Altitude Control Valve
The main valve is controlled by a highly sensitive pilot, located outside the tank. The pilot opens or closes the valve in response to the static pressure of the water. The pilot allows for differential adjustments between the maximum and minimum level. Optional Addition: Surge-Preventing Closure (SP).


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