 Neptune Hydraulic Diaphragm metering pumps are typically used for chemical metering in process and agricultural industries. Chemical metering pumps are available for high and low pressure applications with manual and electronic stroke control. Please click on the Metering Pump button to view the full line of our metering pump products.
Hydraulic Pumps
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Neptune Series 500 "dia-Pump"
Metering Pumps
Variable Oil By-pass™ stroke adjustment allows better valve performance than variable linkage designs. The valve checks have extra time to seat even in heavy liquids since they are idle during the by-pass portion of the suction and discharge strokes.
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Neptune Electronic Stroke Control
The Neptune Electric Stroke Control allows the capacity of any Neptune Series 500 or Series 600 "dia-PUMP" to be automatically controlled in response to a standard 4-20 mA process signal. Also accepts 0-5 VDC/0-10 VDC signal or digital pulse train inputs.
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Hydraulic Diaphragm Metering Pumps
Neptune Model 5003/5005 hydraulic diaphragm metering pumps are built to deliver very low flows, repeatable and accurate ranging down to quarts per day. Discharge pressures are higher than are possible with mechanical diaphragm pumps. Explosion-proof models are available for use in hazardous atmospheres.
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Economical Series 500 Hydraulic Metering Pump
Series 500 Hydraulic Metering Pump features EZE-CLEAN™ valve design with double ball check which can be removed without disturbing the piping. The Series 500 provides leak-free metering of a wide variety of corrosive, flammable or hazardous liquids.
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HIgh Viscosity Metering Pumps V-Pumps
Neptune high viscosity, flat diaphragm "V-Pumps" are designed to accurately meter viscous fluids up to 5000 cP such as polymers and other thick liquids.
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Tubular Diaphragm Pumps
Neptune Series 500 Tubular Diaphragm Pumps are engineered for viscous fluids up to 20,000 cP and for medium slurries up to 10% solids.
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Neptune Metering Pumps - High Volume Series 600
Designed for high-pressure, high-volume applications. Simplex or duplex models available. Variable Oil By-pass™ stroke adjustment. Hydraulically balanced Teflon® diaphragm eliminates stress. EZE-CLEAN™ valves are removable without disturbing piping. Optional electronic positioners or variable speed drives available.
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High Volume Low Pressure Metering Pumps
The Neptune Series 8000 "dia-PUMP" is a hydraulically- actuated diaphragm pump designed for high volume metering applications such as regeneration, pretreatment and waste treatment. Both simplex and duplex models are available.
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Solar D™ Pump Series
Neptune Solar D™ pump was developed via a joint engineering effort with our sister company, Ferguson Beauregard, part of Dover Corporation. This effort resulted in an innovative solar powered chemical injection pump for feeding a wide variety of chemicals into remote oil and gas wells where electrical power is unavailable. The Neptune Solar D is engineered to meet the needs voiced by the industry.
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Mechanical Pumps
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Neptune Series 7000 Mechanical "dia-Pumps"
The Neptune Series 7000 "dia-PUMP" is a mechanically actuated diaphragm metering pump designed for water, wastewater and process applications.
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Fertilizer Pumps
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Neptune Fertiilizer Pump Systems
A one-piece molded polyethylene platform with hand grips to allow easy handling of fertilizer pumps. Unit integrates pump controls and wiring for complete portability.
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Electronic Solenoid Pumps
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Neptune PZ Series Pulse Metering Pumps
Manual control models allow speed adjustment from 15 to 300 strokes per minute (20 to 1 turndown). Automatic control models allow manual or automatic adjustment of speed from 1 to 300 strokes per minute plus manual stroke length adjustment from 50 to 100% (600 to 1 turndown). Automatic models accept analog (4-20 mADC) input signal to automatically adjust speed. 300 SPM operation insures uniform chemical distribution even at low feed rates.
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Peristaltic Hose Pumps
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Abaque Series Peristaltic Hose Pumps
Abaque® Series peristaltic hose pumps are manufactured and shipped from the Pump Solutions Group (PSG®) facility in North Wales, Pennsylvania. Abaque Series pumps feature a seal-less design that eliminates leaks and product contamination, and have the ability to run dry continuously without adversely affecting the pump’s performance.
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