HPLC and flow chemistry Pumps

LC Pumps from FLOM, made in Japan

Pumps for HPLC, UHPLC and flow chemistry

Flom (part of GL Sciences), is a manufacturer of HPLC, UHPLC and liquid transfer pump components. Choose from a wide range of pumps, from high performance types with automatic control of flow rates, to simple pumps at an affordable price.

MP-22 Series, No-Pulsation Linear-drive Pump
LC pump without check valves At low flow rates (0.5mL/min. or lower), check valves become an variable factor for flow volume and pulsation. The new MP-22 doesn’t use any check vales but instead it is using a fast switching valve. This results in stable flows and pressure even with low flows.

Driving method Linear-drive pump + auto switching valve
Selectable flow rate Controllable range of pulsation:10~500µL/Min.
Wetted materials Pump: SUS 316, High-density polyethylene, Kalrez, Sapphire, PFA and PEEK
Valve: SUS316 and PEEK
Maximum pressure 20 MPa (2900psi)
Plunger diameter 3.2 mm
Plunger stroke 10 mm
Flow per stroke 80µL
Flow accuracy < 0.3%

Brochure of MP-22 no check valve pump.

Linear drive type pump Intelligent pump UI-22 linear drive hplc pump
  • Reduces pulsation to an absolute minimum, making super low pulsation flow possible
  • Problems with bubbles are greatly reduced
  • Plunger seal life extended
  • Limit switch for both high and low pressure
  • Choose Stainless Steel, PEEK or Fluorocarbon polymer

Popular setup in flow chemistry


Medium to High Pressure Single Pump SP Series
Developed using our intelligent pump technology, but aiming for high performance at a low price.
small single pump HPLC pump Single Plunger Pump SP-32 Series
  • With Pressure Sensor
  • equipped with pulse control mechanism (quick return mode)
  • easy to read backlighted LCD display
  • real-time pressure display
  • column integrity protected by convenient upper-limit pressure switch
  • convenient precision metered solvent volume dispensing
  • RS-232C interface for computer control
  • can choose from 8 different models to match desired flow ranges
  • SUS or PEEK versions
Single Plunger Pump SP-31 Series
  • Without Pressure Sensor
  • equipped with pulse control mechanism (quick return mode)
  • easy to read backlighted LCD display
  • convenient precision metered solvent volume dispensing
  • RS-232C interface for computer control
  • variety of seals to choose from depending on solvent
  • can choose from 8 different models to match desired flow ranges
  • SUS or PEEK versions


SP-22 and SP-21 are no longer available.


peristaltic or roller pump

Roller Pump WP-21

New peristaltic or roller pump from FLOM

- Space-saving compact design
- Choose tubing to match your solvent
- Tube cassette can be set in any of 4 directions
- Great for plunger pump cleaning

piston flush
Product name Roller Pump
Part number WP-21
Flow rate range 4 step settings (approx. 0.5 - 1.0 - 2.0 - 3.0 ml/min)
Switching 4 steps from front switch (rotary style)
Features hold down front switch to purge ( approx. 5 mL/min )
Flow accuracy ± 5 % (Pharmed BPT)
Output pressure 90 kpa or less (Pharmed BPT)
Intake pressure -90 kpa or less (Pharmed BPT)
Temperature range 5 - 50°C
Rotary direction Clockwise when viewed from front
External I/O Input : OFF/ ON switch (powering on begins pumping)
Output :Error Signal
Tubing Pharmed BPT / Fluran F-5500-A / TransMaster TM-15
Dimensions 65 (H) x 46 (W) x 110 (D) mm, excluding protuberances
Weight Approx. 0.5 kg
Power AC100 - 240 V(50 / 60 Hz) MAX 15 W
rolers for soller pump