Masterflex P/S Fixed-Speed Pumps

Masterflex, P/S, Fixed-Speed Pumps, Thermo ScientificMasterflex P/S Fixed-speed pumps are ideal for fixed flow applications. Compact drives feature durable epoxy-coated steel housings.

  • Deliver flow rates from 0.06 to 348mL/min. (0.001 to 5.5 gph)

  • Operate 24 hours per day-drives feature continuous-duty brushless AC motors

  • On/off switch provides easy, safe control of motor

  • IP rating: 22

  • Thermally protected motor automatically shuts down in overheat conditions

Certifications: UL listed, cUL, CE marked (230V units)


Flow Rate: 0.06 to 348 mL/min (0.001 to 5.5 GPH)
Reversible: No
Motor Type: AC, shaded pole
Speed Regulation (Repeatability): ?10%
Operating Temperature: 0 to 40ºC (32 to 104ºF)
Storage Temperature: 25 to 65ºC (-49 to 149ºF)
IP Rating: IP22
Agency Approvals: UL, cUL, CE (230 V units)
Dimensions (L x W x H): 13.4 cm x 11.8 cm x 15.2 cm (5 3/8" x 4 5/8" x 6")

P/S Fixed-Speed Pump Drive Brochure

L/S Fixed-Speed Pump Drive Manual

L/S High Performance Pumphead Manual

Masterflex L/S Easy-Load II Pump Head Manual

Masterflex L/S High Performance Tubing

Masterflex L/S Precision Tubing

Outline Dwg 955-1100, 955-1200, 956-1100, 956-1200, 956-1300, 956-1400

Outline Dwg 955-1105, 956-1105, 955-1205, 956-1205, 955-1305, 956-1305, 955-1405, 956-1405

Outline Dwg 965-1100, 965-1200, 965-130

Outline Dwg 965-1105, 965-1205, 965-1305

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