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Neptune 7000Z Series Mechanically Actuated Diaphragm Metering Pump

Neptune™ 7000Z pumps have been designed to handle a wide assortment of volatile chemicals and clear liquids at pressures up to 12 bar (174 psi).

Liquid-End Features

  • Large flow range: 2 L/h – 795 L/h (0.5 gph – 210 gph)

  • Liquid end materials: PVC, PVDF, 316SS

  • Excellent for handling volatile chemicals

  • Suction lift up to 2 m (6.5 ft.)

  • Special design valve seat to ensure leak-free operation while running or stopping

  • Self-clean check valve structure

Power-End Features

  • Adjustable eccentric structure, low pulse and smooth operation

  • High strength worm and gear design, long life and highly reliability

  • Multiple motor options: IEC motor or NEMA motor1

  • Motor options: TEFC, explosion-proof and VFD2

Flow Rate Adjustments

Manual adjustment knob to adjust stroke length

  • Full 10%-100% flow rate adjustment while pump is running

Certifications & Associations

1NPAG IEC only

2NPBG and NPCG only


About Us

Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


Our Products

Dataloggers, sensors, pumps, recorders, hand held instruments, flow instrumentation, level controls, valves, instrumentation, containers, tanks, transmitters, data loggers, digital indicators, mixers and agitators, pressure intrumentation, analyzers and controllers for a variety of industrial applications such as water quality, pH/ORP and more.

Website Content

Water Analyzers and Controllers, Wireless Products, Corrosion Monitoring Equipment, Cooling Tower and Boiler Controllers, a wide variety of Pumps, Valves, Dataloggers and Recorders, HVAC, Instrumentation, Skids and Systems, Containers and Tanks from world leading manufacturers are products you will find on this site.

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