Cla-Val - Hydraulic Altitude & Level Control Valves - 210-09 & 610-09 Altitude & Back Pressure Valve ***
Cla-Val manufactures several different types of level control valves. Non-modulating float valves open fully when the liquid level in a tank reaches a pre-set low point. The opening operation allows for the tank to be refilled to a pre-set high point, at which time the valve closes drip-tight.
Modulating float valves maintain a constant liquid level in a storage tank by compensating for variations in supply or demand and are used to control the flow into or out of a tank by either opening or closing on a rising level.
Cla-Val Altitude Control Valves regulates the high water level in reservoirs without the need for floats or other devices. These non-throttling valves remain fully open until the pre-set shut-off point is reached. Altitude valves can be configured for one-way or two-way flow depending on system requirements and can be furnished with auxiliary controls for multiple functions such as pressure sustaining, pressure reduction, rate-of-flow control, solenoid override or other parameters as needed.
Cla-Val 210-09 and 610-09 Combination Altitude and Back Pressure Valves control the high water level in reservoirs without the need for floats or other devices. These valves modulate to maintain upstream pressure within close limits to prevent overdrawing system supply while filling the reservoir. When the shut-off point of the hydraulic pilot control is reached, the valves close smoothly without surges. These valves are designed for one-way flow only.
Used on reservoirs where water is withdrawn through a separate line or through a bypass equipped with a check valve. The valve closes at the desired high water level and reopens for filling when the reservoir head lowers below the shut off level. The valve controls minimum supply pressure to keep from overdrawing supply while filling the reservoir. Water in excess of system pressure flows to the reservoir at a controlled rate.
