SSI High Pressure Pumps


NxtGen Pumps


Scientific Systems introduces a New Generation of very high performance, positive displacement pumps. State of the art engineering and advanced manufacturing technology have produced very affordable laboratory and small process instruments unmatched in performance and reliability.


M1 Series
Thomson offers the entire range of SSI high performance high pressure pumps positive displacement pumps. M1 pumps are compact, inexpensive, single piston, precise, positive displacement pumps with flows of 10 or 40ml/min at pressures up to 2,000psi. Fluid paths are either stainless steel or PEEK.
• M1 Series Data Sheet •

MX Series
MX pumps are econonmical, single piston and more pulse free with precision suitable for analytical and semi-prep HPLC. Flows of 10ml/min-5,000psi or 40ml/min-900psi are available. Fluid paths are stainless steel, PEEK or optional titanium.
MX Series Data Sheet •

LS Series
LS pumps are single piston pumps incorporating an advanced cam design for very low pulsation when combined with the micro-stepped motor and automatic pressure compensation. Their performance exceeds that of pumps costing much more. In addition to metering, they also can be use to dispense fluids. Flow rates are 5 or 10ml/min-6,000psi, 40ml/min-1,600psi. Fluid paths are stainless steel, PEEK or optional titanium.
• LS Series Data Sheet •

LS Binary Series
The LS Binary system combines two advanced design, single piston pumps with advanced cam design for very low pulsation when combined with the micro-stepped motor and automatic pressure compensation into a single cabinet with in-line degassing. This provides a simple, inexpensive gradient pumping system for routine use. It's performance exceeds that of pumps costing much more. Flow rates are 5 or 10ml/min-6,000psi, 40ml/min-1,600psi. Fluid paths are stainless steel, PEEK or optional titanium.
• LS Binary Series Data Sheet •


LD Series
LD Series are highly versatile dual-headed, pumps, delivering unmatched performance for analytical, semi-preparative, or flash chromatography. The patented, low dead-volume Pulse Dampener, advanced cam design and dual piston mechanism, provide virtually pulse-free operation. Automatic pressure compensation provides precise flows and very accurate gradients over a range of flows and pressures. Flow rates are 12 or 36ml/min-6,000psi, 24mL/min-10,000psi, and 100mL/min-1,000psi. Fluid paths are Stainless Steel, PEEK or optional titanium.
• LD Series Data Sheet •

PR Series
PR Series are dual-head pumps, designed primarly for Prep and Semi-prep chromatrography as well as many industrial and process applications. Flows of 100 and 300ml/min.
• PR Series Data Sheet •

CP Series
CP pumps are unique, dual head, UHP pumps that provide constant pressure operation. Pressures to 25,000psi. Flows of 5ml/min-25,000psi, 12ml/min-10 or 18,000psi, 24ml/min-10,000psi, 100ml/min-5,000psi, 300ml/min-1,000psi.
• CP Series Data Sheet •

LU Series
Please note, the 18,000psi - 5ml/min LU Series has been discontinued.


Select one of the series above and refine your search with the filters below to find details on a pump that best suits your needs.

Prices are subject to change without notice.


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Part Number Description Flow (ml/min) Pressure (PSI) Price
003-0815 LS Series, 6,000 psi 5 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener  • Standard Seal SS energizer  • 1/8" OD SS Inlet - 1/8" OD SS Outlet 5 6,000 $3,895
003-0816 LS Series, 6,000 psi 5 ml/min  • Stainless Steel  • Self-Flush  • Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD SS Inlet - 1/16" OD SS Outlet 5 6,000 $3,895
003-0828 LS Series, 5,000 psi 5 ml/min  • PEEK  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal, fluoropolymer energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 5 5,000 $4,239
003-0829 LS Series, 6,000 psi 5 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 5 6,000 $4,239
003-0830 LS Series, 6,000 psi 5 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 5 6,000 $3,895
003-0823 LS Series, 5,000 psi 10 ml/min  • PEEK  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal, fluoropolymer energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 10 5,000 $4,239
003-0824 LS Series, 6,000 psi 10 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 10 6,000 $4,239
003-0825 LS Series, 6,000 psi 10 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 10 6,000 $3,895
003-0817 LS Series, 5,000 psi 10 ml/min  • PEEK  • Self-Flush  • Pulse Dampener  • Standard Seal, fluoropolymer energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 10 5,000 $3,895
003-0818 LS Series, 1,600 psi 40 ml/min  • Stainless Steel  • Self-Flush  • No Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 40 1,600 $3,610
003-0819 LS Series, 1,600 psi 40 ml/min  • PEEK  • Self-Flush  • Pulse Dampener  • Standard Seal, fluoropolymer energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 40 1,600 $3,895
003-0820 LS Series, 1,600 psi 40 ml/min  • PEEK  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal, fluoropolymer energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 40 1,600 $4,239
003-0821 LS Series, 1,600 psi 40 ml/min  • Stainless Steel  • Self-Flush  • No Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 40 1,600 $3,505
003-0822 LS Series, 1,600 psi 40 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Organic Seal, SS energizer  • 1/8" OD SS Inlet - 1/8" OD SS Outlet 40 1,600 $4,239
003-0826 LS Series, 1,600 psi 40 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 40 1,600 $4,239
003-0827 LS Series, 1,600 psi 40 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 40 1,600 $3,895

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