Thomas Division

Fluid & Gas Flow Equipment

Diaphragm Pumps perform low-viscosity liquids dosing.

Miniature SMF 2 Series features EPDM valve and diaphragm materials as well as integrated flow stop function that prevents drain-off when pump is at rest. Self-priming pumps may safely be run dry and offer quiet operation. Rated fluid flow ranges up to 52.5 ml/min, and max pressure is 1.16 psig. Flow per stroke can range from 0.1-0.25 ml. Flow repeatability of 5% or better is achieved through use...

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Fluid & Gas Flow Equipment

Diaphragm Pumps perform low-viscosity liquids dosing.

Miniature SMF 2 Series features EPDM valve and diaphragm materials as well as integrated flow stop function that prevents drain-off when pump is at rest. Self-priming pumps may safely be run dry and offer quiet operation. Rated fluid flow ranges up to 52.5 ml/min, and max pressure is 1.16 psig. Flow per stroke can range from 0.1-0.25 ml. Flow repeatability of 5% or better is achieved through use...

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Fluid & Gas Flow Equipment

Piston Pumps suit medical and HVAC applications.

Constructed of die-cast aluminum, Series 2770 WOB-L-® pumps incorporate stainless steel valves with recessed inlet valve. Cylinder is hard-coated for wear resistance, and all wetted aluminum parts are treated for corrosion protection. Oil-less, non-lube piston and cylinders, combined with air intake filter, prevent air-flow contamination. Design incorporates permanent split capacitor ac motors,...

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Fluid & Gas Flow Equipment

Piston Pumps suit medical and HVAC applications.

Constructed of die-cast aluminum, Series 2770 WOB-LÂ-® pumps incorporate stainless steel valves with recessed inlet valve. Cylinder is hard-coated for wear resistance, and all wetted aluminum parts are treated for corrosion protection. Oil-less, non-lube piston and cylinders, combined with air intake filter, prevent air-flow contamination. Design incorporates permanent split capacitor ac...

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Fluid & Gas Flow Equipment

Diaphragm Vacuum Pump is designed for steam autoclaves.

Suited for service in Class B steam autoclaves, Series 2119V features engineered resin and diecast aluminum construction. All wetted aluminum parts are epoxy-coated for corrosion protection. Umbrella valves and diaphragm are constructed of EPDM, which offers resistance to steam and water. Pumps provide up to 27 in. Hg vacuum, and max flow is rated at 0.81 cfm. Thermally protected motors are...

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Fluid & Gas Flow Equipment

Diaphragm Vacuum Pump is designed for steam autoclaves.

Suited for service in Class B steam autoclaves, Series 2119V features engineered resin and diecast aluminum construction. All wetted aluminum parts are epoxy-coated for corrosion protection. Umbrella valves and diaphragm are constructed of EPDM, which offers resistance to steam and water. Pumps provide up to 27 in. Hg vacuum, and max flow is rated at 0.81 cfm. Thermally protected motors are...

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Fluid & Gas Flow Equipment

Piston Pump suits medical and environmental applications.

Series 668/688 WOB-L-® Piston Pump provides 27.6 Hg of vacuum or 100 psi of pressure with maximum flow rate of 1.6 cfm. Oil-less piston and cylinder plus intake filter provide non-contaminated air flow. Pump incorporates single-phase AC motor with permanent split capacitor design to eliminate need for starting switch. Unit suited for use in oxygen concentrators, blood analyzers, dental carts,...

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Fluid & Gas Flow Equipment

Piston Pump suits medical and environmental applications.

Series 668/688 WOB-LÂ-® Piston Pump provides 27.6 Hg of vacuum or 100 psi of pressure with maximum flow rate of 1.6 cfm. Oil-less piston and cylinder plus intake filter provide non-contaminated air flow. Pump incorporates single-phase AC motor with permanent split capacitor design to eliminate need for starting switch. Unit suited for use in oxygen concentrators, blood analyzers, dental...

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Fluid & Gas Flow Equipment

Peristaltic Pumps meet industrial and medical OEM needs.

With moving parts isolated from material flow, SR Series pumps provide maintenance-free transport of corrosive, abrasive, and sterile solutions. They are available in flow capacities from 0.25 ml/min to 2.9 l/min and feature compact design, dry-running capability, and inherent check valve action at rest. Design variations include 3-roller designs and self-adjusting, spring-loaded 2-roller...

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Fluid & Gas Flow Equipment

Peristaltic Pumps meet industrial and medical OEM needs.

With moving parts isolated from material flow, SR Series pumps provide maintenance-free transport of corrosive, abrasive, and sterile solutions. They are available in flow capacities from 0.25 ml/min to 2.9 l/min and feature compact design, dry-running capability, and inherent check valve action at rest. Design variations include 3-roller designs and self-adjusting, spring-loaded 2-roller...

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