SSI New Products

At SSI, we are continually expanding our product offerings to meet stringent pumping demands for a variety of applications. Our Product Development engineers have extensive experience working directly with customers designing pumps to meet specific applications. Please contact us, and we can develop a custom pump to meet your most demanding requirements.


Prep 250 Pump
High-Performance Dual Piston Pump
Preparative Chromatography
LC Column Packing

The Prep 250 is a dual-head positive-displacement pump with servo motor, belt drive, and reliable eccentric cams for precise flow rates.

A constant-flow version with dampeners for low pulsation is designed specifically for preparative chromatography.

The constant-pressure version is designed for LC column packing and is supplied with Quickset software for unmatched control of the packing process.
Flow Rate:        0.1—250.0 mL/min
Max Pressure:  10,000 psi
Fluid Path:        Stainless Steel

Click to view Datasheet
Prep 250


Prep 300 Pump
High-Performance Dual Piston Pump
Low Pulsation for SMBC Applications

The Prep 300 is a dual-head positive-displacement pump with stepper motor, belt drive, and shaped cams for precise flow rates and low pulsation.

All stainless steel fluid path with pressure transducer integrated into the prime-purge valve.

Dual internal pulse dampeners reduce pulsation to <2% for smooth, accurate flow.

Flow Rate:        0.1—300.0 mL/min
Max Pressure:   200 psi
Fluid Path:        Stainless Steel

Click to view Datasheet

Prep 300


Ultra High Pressure Pulse Dampener
Reliable rugged fluid path components
For HPLC Applications up to 18,000 psi

The UHP Pulse Dampener can be added to any fluid path to reduce pulsation noise generated by the pump.

Pump pulsation can be reduced by up to 75% with minimal increase to overall volume (160mL at atmospheric pressure)

Optional pressure transducer integrated on reservoir side of membrane to provide pressure monitoring with full isolation from fluid path.

Fluid Path:  Stainless Steel / Teflon

Click to view Datasheet

Pulse Dampeners



Prep 250 Pump
High-Performance Dual Piston Pump
Preparative Chromatography
LC Column Packing

The Prep 250 is a dual-head positive-displacement pump with servo motor, belt drive, and reliable eccentric cams for precise flow rates.

A constant-flow version with dampeners for low pulsation is designed specifically for preparative chromatography.

The constant-pressure version is designed for LC column packing and is supplied with Quickset software for unmatched control of the packing process.
Flow Rate:        0.1—250.0 mL/min
Max Pressure:  10,000 psi
Fluid Path:        Stainless Steel

Click to view Datasheet
Prep 250
Prep 300 Pump
High-Performance Dual Piston Pump
Low Pulsation for SMBC Applications

The Prep 300 is a dual-head positive-displacement pump with stepper motor, belt drive, and shaped cams for precise flow rates and low pulsation.

All stainless steel fluid path with pressure transducer integrated into the prime-purge valve.

Dual internal pulse dampeners reduce pulsation to <2% for smooth, accurate flow.

Flow Rate:        0.1—300.0 mL/min
Max Pressure:   200 psi
Fluid Path:        Stainless Steel

Click to view Datasheet

Prep 300
Ultra High Pressure Pulse Dampener
Reliable rugged fluid path components
For HPLC Applications up to 18,000 psi

The UHP Pulse Dampener can be added to any fluid path to reduce pulsation noise generated by the pump.

Pump pulsation can be reduced by up to 75% with minimal increase to overall volume (160mL at atmospheric pressure)

Optional pressure transducer integrated on reservoir side of membrane to provide pressure monitoring with full isolation from fluid path.

Fluid Path:  Stainless Steel / Teflon

Click to view Datasheet

Pulse Dampeners

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