Constant water level valve
What kind of failure (complaint) does the constant water level valve have?
- There is an overflow from the water tank. (The water doesn't stop)
- Valve closing failure due to clogging of the scale of the primary pressure introduction path to the diaphragm chamber.
- Valve closing failure due to pilot ball tap failure (valve body sticking / float damage).
- In addition, valve closing failure due to malfunction of the solenoid valve in pilot solenoid valve control. (Usually, pilot piping is combined with a ball tap)
- There is a drought in the water tank. (Water does not flow)
- Valve opening failure due to pilot ball tap failure (sticking of valve body).
- Poor valve opening due to clogging of scales, etc. to the pilot piping and ball tap strainer.
- Valve opening failure due to malfunction of pilot solenoid valve.
- Poor valve opening due to insufficient relief of the pilot solenoid valve.
- There is noise such as hunting of the constant water level valve and running water noise.
- Water hammer noise caused by hunting, water hammer caused by water discharge, and ball tap float up / down movement (valve opening / closing) and long drop piping for hunting. Noise generated when the valve closes when the flow velocity is high.
- Depending on the structure, water hammer due to improper adjustment of the valve opening / closing time adjustment screw.
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