Neptune Back Pressure Valves maintain a set pressure at the pump outlet port (discharge) to assure accurate metering and are also used to prevent siphoning. Use of the Back Pressure Valve assures proper metering pump check valve operation when the system pressure against which the pump is injecting fluid is too low.
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Neptune Calibration Columns provide a fast, easy and economical means of checking the flow rate of your chemical metering pump. The most accurate test of metering pump flow rate is to measure the drawdown rate on the suction side while leaving the discharge undisturbed in its normal steady state operating condition. Pump flow rate verification on a periodic basis or after maintenance is important to system accuracy.
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Neptune Corporation Stops with injection quills are used for injecting chemicals pumped by metering pumps into tanks, mains, cooling towers, and process systems. Quill extends into the center of the stream providing more rapid uniform dispersion of injected chemical. Corporation Stop can be mounted to a "hot tap" which is installed without draining the system. Corporation Stop allows injection quill to be inserted or removed without hav...
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