5005/5003 Series Hydraulic Metering Pumps Neptune Models 5005-S and 5003-S Hydraulic Metering Pumps are built to deliver very low flows that are repeatable and accurate, ranging down to quarts per day. Discharge pressures are higher than mechanical...

500-VS Series Hydraulic Diaphragm Pump 500-VS Series Hydraulic Metering Pumps are Neptune’s High Viscosity pumps, handling viscous fluids up to 5,000 cPs. 500-VS Series pumps come standard in Neptune’s Simplex design, but can be...

4000 ML cylinder, 200 ML major graduations, 25 ML minor graduations. 2" NPT connection. For pumps up to 120 gph. Neptune Calibration Columns provide a fast, easy and economical means of checking the flow rate of your chemical metering pump. The most...

1000 ML cylinder, 10 ML major graduations, 5 ML minor graduations, 3/4" NPT connection for pumps up to 30 gph. Neptune Calibration Columns provide a fast, easy and economical means of checking the flow rate of your chemical metering pump. The most...

500 ML cylinder, 20 ML graduations, 3/4" NPT connection for pumps up to 16 gph. 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...

250 ML cylinder, 10 ML graduations, 1/2" NPT connection for pumps up to 7 gph. 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...

100 ML cylinder, 1 ML graduations, 1/2" NPT connection for pumps up to 3 gph. 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...

Relief Valves Neptune's Relief Valves protect the piping and system from overpressure. If released, the relief valve discharge is piped to a tank in order to prevent any system or piping damage. Neptune's exclusive relief valve design utilizes a unique...

Relief Valves Neptune's Relief Valves protect the piping and system from overpressure. If released, the relief valve discharge is piped to a tank in order to prevent any system or piping damage. Neptune's exclusive relief valve design utilizes a unique...

Relief Valves Neptune's Relief Valves protect the piping and system from overpressure. If released, the relief valve discharge is piped to a tank in order to prevent any system or piping damage. Neptune's exclusive relief valve design utilizes a unique...

Relief Valves Neptune's Relief Valves protect the piping and system from overpressure. If released, the relief valve discharge is piped to a tank in order to prevent any system or piping damage. Neptune's exclusive relief valve design utilizes a unique...

Neptune's Relief Valves protect the piping and system from overpressure. If released, the relief valve discharge is piped to a tank in order to prevent any system or piping damage. Neptune's exclusive relief valve design utilizes a unique spring guide...

Relief Valves Neptune's Relief Valves protect the piping and system from overpressure. If released, the relief valve discharge is piped to a tank in order to prevent any system or piping damage. Neptune's exclusive relief valve design utilizes a unique...

Relief Valves Neptune's Relief Valves protect the piping and system from overpressure. If released, the relief valve discharge is piped to a tank in order to prevent any system or piping damage. Neptune's exclusive relief valve design utilizes a unique...

PVC Suction Piping for Top Mount

SS tubing & Compression Fittings

PVC fittings and tubing

Laboratory Mixers - L Series Neptune laboratory mixers are designed specifically for laboratory applications. The mixers are available in air or electric drive motors with clamp or bracket mounts. PROPELLER AND SHAFT MATERIAL  316SS HOUSING...

Kit with isolation valves mounts in polymer pump suction line to allow precise determination of polymer flow rate.