Automatic Recirculation Valves (ARC) protect centrifugal pumps against instability and cavitation during low flow conditions. The valve reduces noise and temperature increase during this condition.
Should the pump main flow changes and reduce, the valve will open mechanically to a bypass min flow as per pump manufactures specifications.
Resulting perfect control and most importantly protect the pump against potential damage.
Operational.
The main flow moves the check valve, which is connected via a lever assembly to the bypass modulating system. The valve in the natural position (meaning main flow valve is closed) will open the bypass valve fully , this will allow required minimum flow according to pump manufacturers specifications and will control the delivery pressure down to suction pressure.
Opening the main flow control valve will result an increase flow in the ARC valve, this will lift the check valve resulting the bypass valve to close proportionally. The bypass valve will be fully close when the check valve reaches maximum travel. Maximum travel is normally reached at 30% max. Flow pending pump specifications.
ARC Valve bypass design will be selected pending pump pressure (Pump Head) and suction pressure and Flow.
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VISIT US AT THE ELECTRA MINING EXPO / 5-9 September 2022
KV Controls / HALL 9 / STAND F3
For more information you can email our Sales Manager directly at frikkie@kvcontrols.co.za
KV Controls was founded in 2016 situated in Sasolburg, we supply Total Cost of Ownership and optimum valve solutions to major industries such as chemical, refining, mining & minerals, pulp and paper, sugar and power generation industries throughout Southern Africa & Africa
Together with support from leading suppliers in valves, actuators and accessories KV Controls have the experience, know-how and product range to meet the needs of almost any application in industry from isolation, on/off, ESD to modulating control. From complete new packages to OEM parts, KV Controls meets the requirements.
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