John Morris Group
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John Morris Group
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Metering Pumps

Metering pumps offer a high degree of accuracy and are used in a wide variety of applications where precise volumes of liquid are required to be moved in a specified time. A metering pump is a subset of the positive displacement pump type and discharges a known volume with every revolution or cycle. We offer a range of metering pumps that cover flow rates from 1 nL/min to 225 LPM with pressure options up to 345 bar.

John Morris Scientific offers a range of metering pump categories, including diaphragm pumps, gear pumps, peristaltic pumps and piston pumps. With options for laboratory, pilot plant, industrial and OEM applications browse through our on-line catalogue. Alternatively contact our Application Specialists to help solve your application needs.

A metering pump transfers media in two phases:

  • The intake stroke where the inlet side of the pump is opened, the outlet side closed and liquid is pulled in to the pump cavity
  • The outlet stroke where the inlet side of the pump is closed, the outlet side opened and liquid is forced out

Metering pumps are generally used in applications where one or more of the following conditions apply:

  • High accuracy dosing or movement of media is required
  • Pumping need to be controlled by computer, PLC, or flow proportioning
  • Flow rates are LPH or less
  • High system pressure
  • High viscosity or slurry media

Diaphragm Pumps 
Widely used in industrial applications including dosing of chemicals in process applications, water and waste water treatment

  • Flow: 0.4 ml/min to 8.3 LPM
  • Max Pressure: 17.3 bar
  • Wide range of control options available including manual, analogue, flow proportioning, computer or PLC
  • ATEX versions available
  • Robust pumps capable of delivering high accuracy and working for long periods between maintenance

Gear Pumps 
Used in industrial, OEM and laboratory applications including chemical processing, paints and ink industries

  • Flow: 0.1 ml/min to 225 LPM
  • Max Pressure: 6.8 bar
  • Wide range of control options available including manual, analogue, flow proportioning, computer or PLC
  • ATEX options available
  • Offers accurate, pulseless flow and with the Micropump range a magnetically coupled pump head to deliver leak-free pumpin

Peristaltic Pumps 
Widely used in laboratory, process and OEM applications including chemical, food, pharmaceutical, semiconductor and water treatment industries

  • Flow: 0.0006 ml/min to 45 LPM
  • Max Pressure: 8.6 bar
  • Wide range of control options available including manual, analogue, computer or PLC control via RS-232
  • ATEX versions available
  • Media is confined to the tubing allowing contamination free pumping and easy maintenance, minimising down time

Piston Pump 
Widely used in laboratory, process and OEM applications for high accuracy delivery of media including HPLC pumping.

  • Flow: 0.04 ml/min to 1.3 LPM
  • Max Pressure: 345 bar
  • Wide range of control options available including manual, analogue, computer or PLC control via RS-232
  • Highly accurate over long periods of operation and provide excellent repeatability

Syringe Pump 
Widely used in laboratory for nanofluidic and microfluidic infusion and withdrawal applications

  • Flow: 1 nL/min to 147 ml/min
  • Wide range of control options available including manual, analogue, computer or PLC control via RS-232
  • Provides high accuracy delivery of ultra-low flows

RECOMMENDED REFINE TERMS

JMG No. 1014712

Masterflex
PUMP HEAD 3/8" CERAMIC PISTON

$1,549.90

Inc. GST

JMG No. 1014755

Masterflex
ADAPTER KIT F/07117-66 -68

$149.60

Inc. GST

JMG No. 1014748

Masterflex
PUMP HEAD 3/8" CERAMIC PISTON

$2,733.50

Inc. GST

JMG No. 1014750

Masterflex
PUMP HEAD 3/8"DIA 316SS PISTON

$1,597.20

Inc. GST

JMG No. 1014746

Masterflex
ADAPTER F/PISTON PUMP HEADS

$1,210.00

Inc. GST

JMG No. 1014703

Masterflex
PUMP HEAD 1/8"DIA 316SS PISTON

$1,694.00

Inc. GST

JMG No. 1014707

Masterflex
PUMP HEAD 1/4" CERAMIC PISTON

$1,736.90

Inc. GST

JMG No. 1014714

Masterflex
PUMP HEAD 3/8" CERAMIC PISTON

$1,597.20

Inc. GST

JMG No. 1014709

Masterflex
PUMP HEAD 1/4" CERAMIC PISTON

$2,236.30

Inc. GST

JMG No. 1014708

Masterflex
PSTN PMP HD 3/8" CRMC PVDF

$1,648.90

Inc. GST

JMG No. 1014747

Masterflex
PUMP HEAD 1/4" CERAMIC PISTON

$2,766.50

Inc. GST

JMG No. 1014751

Masterflex
PUMP HEAD 3/16" CERAMIC PISTON

$2,237.40

Inc. GST

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