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NDJ Series Mechanical Diaphragm Metering Pump

Mechanical Diaphragm Pumps

NDJ Series Mechanical Diaphragm Metering Pump

Compact mechanical diaphragm pump (NDJS/NDJL), about 40-150 L/h, tank-mountable; heads in PVC/PVDF/PTFE/SS316.

Max flow

40 - 150 L/h

Max pressure

3 - 10 bar

Turndown / accuracy

—

Wetted materials

PVC / PVDF / PTFE / SS316

Protection

—

Power

—

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Best for: verifying flow/pressure and control interfaces against your dosing duty (Mechanical Diaphragm Pumps). Confirm chemical compatibility and install constraints before ordering — inquire for help.

Features

  • Eccentric shaft supported by bearings both ends
  • Grease-lubricated gearbox, easy maintenance
  • Stroke length adjustable while running
  • Head materials PVC, PVDF, PTFE, SS316
  • Long-life pure PTFE diaphragm
  • Can mount directly on dosing tanks

Specifications

Flow rate40 - 150 L/h
Pressure3 - 10 bar
Motor power60 / 90 W
Sub-seriesNDJS / NDJL
Liquid-end materialPVC / PVDF / PTFE / SS316

Applications

Small dosing stations
Cooling water dosing
WWTP chemical feed
Tank-mounted dosing

Materials & media

Liquid endPVC / PVDF / PTFE / SS316
DiaphragmPTFE

Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.

Controls & communication

Manual strokeStandard
Electric stroke 4-20mA—

Models & specs

ModelFlowPressureSPMPowerNotes
NDJS-40/1.040 L/h10 bar8760 Wstroke 5mm diaphragm 90mm
NDJS-60/0.560 L/h5 bar10460 W
NDJS-75/0.575 L/h5 bar13060 W
NDJS-100/0.5100 L/h5 bar10460 W
NDJS-130/0.5130 L/h5 bar13060 W
NDJS-150/0.3150 L/h3 bar13060 Wdiaphragm 105mm
NDJL-70/1.070 L/h10 bar8790 W
NDJL-80/0.780 L/h7 bar13090 W
NDJL-105/0.7105 L/h7 bar10490 W
NDJL-150/0.5150 L/h5 bar13090 W

Dimensions & installation

NDJS-40~130: A=224 B=29 C=90 D=300 E=130 F=310; NDJS-150: A=239 B=42; NDJL motor 90W F=325. connection is G1" or G1/2"-DN15.

NDJ Series Mechanical Diaphragm Metering Pump install 1
NDJ Series Mechanical Diaphragm Metering Pump install 2

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