A-Type 2/4 – Singer One Way Altitude Level Control Valve
The A Type 2 valve allows normal forward flow to fill the reservoir to the maximum level and then closes drip-tight at the set point and opens to refill the tank when level falls below a fixed distance below the water level.
The A Type 4 valve has the additional feature of differential control for adjustable draw-down to help improve water cycling.
- No overflows – high level shut-off maintained to close tolerances
- Superior repeatability
- Positive shut-off
- Easily serviceable at ground level
- Function as either fully open or fully closed valve
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