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Automatic Control Valve

Home  >  Products  >  Automatic Control Valve
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The Nu-tech ACV models F200 and F2200 are single chamber basic valves that incorporated a e-pies and diaphragam assembly. This assembly is the only moving part within the valve allowing it to open, close or modulated as commanded by the pilot control system.

>> Pressure Relief Valve : 200
Pressure Sustaining / Check - Differential Pressure Sustaining / Check / Solendoid on/off

Valve Function :

Maintain Constant upstream pressure (inlet to outlet) by relieving excess pressure.

Installed on by-pass line, mainline pressure is accurately controlled by relief of excess pressure. Installed in a mainline it prevents upstream pressure from dropping below a present minimum.

Installed in a mainline it prevents upstream pressure from dropping below a preset minimum. Solenoid override of sustaining function allows for electrical on-off operation.





Pressure Relief Valve : 200
>> Pressure Reducing valve - 300
Pressure Sustaining / Check - Surge / Solenoid on/off / low Flow By-Pass

Pressure Reducing valve - 300
Valve Function :

Reduces Higher inlet pressure to constant lower outlet pressure (Adjustable)
Automatically reduces a higher inlet pressure to a constant lower outlet pressure regardless of changing flow rate and/or varying inlet pressure. Refer to ACV - 300 for dead-end equipment. Equipped with a low flow by-pass feature which by passes the main valve pressure function for low flow conditions.
>> Pressure Reducing / Rate of flow - 400
Valve Function :

Limit flow rate to a constant present maximum (Adjustable). Maintain a constant flow rate, adjustable, regardless, of functions in line pressure. The rate of flow pilot senses the diffrential pressure across a thin edged orifice plate mounted in the valve inlet flange. It responds to changes in pressure and modualates the main valve to maintain the desired flow.

Pressure Reducing / Rate of flow - 400
>> Modulting-Float Valve : 500

Modulting-Float Valve : 500
Valve Function :

Maintains a constant liquid level in a tank.
Remote mounted pilot is sensitive to slight changes in level and controls main valve :
Opens when level drops
Closes when level rises
The ACV 500 maintains a constant level in storage tanks and reservoirs. Valve controlled flow into the tank is proportional to
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