• PR piston dosing pump
  • PR piston metering pump

3-3 PR piston dosing pump

Capacity to 1000l/h(50Hz), 1200l/h(60Hz); Pump pressure to 50Mpa; Pump head material can be in SS304, SS316 and SS316L, Motor can be in 50Hz/60Hz

PR piston dosing pump

PR pump is a kind of motor driven piston dosing pump.
SIKOPUMP is a professional plunger metering pump or piston metering pump supplier and manufacturer in China.
Contact SIKOPUMP free to get the complete PR dosing pump catalog.


Main Technical Details

  • Flowrate up to 1000L/H(50Hz), 1200L/H(60Hz)
  • Pressure up to 50 Mpa.
  • Accuracy: ± 1% of rated flow from 30% to 100% stroke.
  • Maximum temperature of pumped liquid: 100℃.
  • Liquid viscosity: 0.3 to 800mm/s.
  • Adjustment by manual or remote signal.
  • Pump stroke length 30mm.

Features & Benefits

  • Plunger/piston metering pump design.
  • SS304, SS316 and SS316L liquid-end material, suitable for high pressure chemicals.
  • Pump plunger is oxide ceramic or SS316 with special oxide ceramic spray coating.
  • Oil bath gear lubrication eliminates the maintenance required by auxiliary oil systems.
  • Lockable micrometer stroke, adjustment can be adjusted while pump is running or stopped.
  • Special application for high temp or low temp is available with cooling jacket or heating jacket.
  • Together with the variable speed drive, the automatic operation is achieved.
  • Plunger seal is PTFE compressed by SS316 gland ring to grantee the high pressure.
  • Duplex or triplex heads are available. Multiplex gear box with one motor drive.

Motor Optional

  • Power supply: standard in 3 phase/50Hz/380, 4 poles motor.
  • 60Hz, single phase, 440V or other voltage motor available.
  • Enclosure of protection, IP55, Insulation, class F, IEC standard.
  • Other motor options: explosion proof motor and variable frequency motor.

Flow Adjustment

By the manual micrometer.
By the variable frequency motor together with the inverter or other variable speed drive.


Cooling or Heat Jacket Available.

If there is a special request for the liquid cooling or heat, a special jacket can be provided by SIKOPUMP.
So, the liquid temp can be controlled accordingly.
There are inlet and outlet onside the pump head for the heating or cooling liquid, gas or steam in and out, which makes the pump heat or cooling easy.

heating jacket for metering pump

Browse other production tug to know the material, parameter and size information for PR dosing pump.
Click here to learn more piston metering pump supplier by SIKOPUMP.

plunger metering pump material

Advantage for Oxide Ceramic Coated Plunger:
High Hardness;
Fantastic Anti-corrosion;
Good Surface smoothness.

metering pump Ceramic Coated Plunger

Thanks to the advanced technology, SIKOPUMP can provide the high-quality plunger metering pumps.
Compared with the common stainless-steel plunger, the plunger coating with oxide ceramic has almost 3 times of service life time.

PR piston dosing pump parameter

PR piston dosing pump size

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