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 •

LU Series
LU Series analytical pumps are designed for UHPLC. Using automatic pressure compensation, they deliver precise accurate flows with sub 3 micron particle columns. Flow rates up to 5ml/min and 18,000psi.
• LU 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 •

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.


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Part Number Description Flow (ml/min) Pressure (PSI) Price
003-0831 LD Series, 6,000 psi 12 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) 12 6,000 $5,675
003-0832 LD Series, 6,000 psi 12 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) 12 6,000 $5,575
003-0840 LD Series, 5,000 psi 12 ml/min  • PEEK  • Non-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal, fluoropolymer energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 12 5,000 $5,675
003-0841 LD Series, 6,000 psi 12 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) 12 6,000 $5,675
003-0842 LD Series, 6,000 psi 12 ml/min  • Stainless Steel  • Self-Flush  • Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 12 6,000 $5,575
003-0874 LD Series, 10,000 psi 24 ml/min  • Stainless Steel  • Non-Flush  • Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 24 10,000 $5,575
003-0877 LD Series, 10;000 psi 24 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/8" OD SS Outlet 24 10,000 $5,675
003-0878 LD Series, 10,000 psi 24 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD SS Inlet - 1/16" OD SS Outlet 24 10,000 $5,675
003-0833 LD Series, 10,000 psi 24 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD SS Inlet - 1/8" OD SS Outlet 24 10,000 $5,675
003-0834 LD Series, 6,000 psi 36 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener  • Standard Seal SS energizer  • 1/8" OD SS Inlet - 1/8" OD SS Outlet 36 6,000 $5,575
003-0875 LD Series, 6,000 psi 36 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD SS Inlet - 1/8" OD SS Outlet 36 6,000 $5,675
003-0843 LD Series, 6,000 psi 36 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) 36 6,000 $5,675
003-0844 LD Series, 6,000 psi 36 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD SS Inlet - 1/16" OD SS Outlet 36 6,000 $5,675
003-0835 LD Series, 1,000 psi 100 ml/min  • PEEK  • Self-Flush  • Transducer, Leak Sensor  • Standard Seal, fluoropolymer energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 100 1,000 $5,575
003-0836 LD Series, 1,000 psi 100 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) 100 1,000 $5,675
003-0837 LD Series, 1,000 psi 100 ml/min  • Stainless Steel  • Self-Flush  • Pulse Dampener, Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD SS Inlet - 1/8" OD SS Outlet 100 1,000 $5,675
003-0838 LD Series, 1,000 psi 100 ml/min  • Stainless Steel  • Self-Flush  • Transducer, Leak Sensor  • Standard Seal SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 100 1,000 $5,575
003-0839 LD Series, 1,000 psi 100 ml/min  • Stainless Steel  • Self-Flush  • Transducer, Leak Sensor  • Organic Seal, SS energizer  • 1/8" OD FEP Inlet - 1/16" OD Outlet (to match pump head) 100 1,000 $5,575