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The Delta precision dosing pump offers an automatic deaeration facility. This allows the pump to automatically degas when gas is detected inthe pump head, making it suitable for dosing fluids which easily outgas, such as sodium hypo-chlorite. The pump features the optoGuard integrated injection control system, which detects air or any gases lockedin the liquid end of the pump that could prevent dosing of the correct quantities. The addition of a relay module and solenoid valve attached to the coarse/fine bleed valve of the pump allows the 'airlock detected' signal to trigger automatic deaeration. Deaeration can also be set to occur on a regular basis. This facility can be field- fitted toexisting Delta pumps. The pump is controlled by the optoDrive system which monitors the actual diaphragm displacement with its predicted displacement and compensates for possible backpressure fluctuations, It allows a slow pressure output stroke to be set for almost continuous dosing or a fast stroke for pulsed dosing.
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