Masterflex® L/S® Compact Variable-Speed Drives

Make low-flow pumping easy!
  • Flow rate 1.8 to 220 mL/min with L/S tubing—flow rate depends on drive rpm, pump head, and tubing size
  • Pump head accepts continuous lengths of tubing for clean flow paths
  • Dual-channel model delivers synchronous flow from two separate channels; single-channel model delivers highest flow rate
  • Automatic tubing retention makes tube loading quick and easy
  • Separate single-turn speed control and forward/off/reverse switch—maintain speed setting when turning pump on or off
  • Remote start/stop via contact closure on back of pump
These easy-to-use complete pumps offer a wide occlusion angle, which prevents fluid backflow up to the rated pressure of the tubing. Prime or flush tubing quickly by depressing the MAX button. Self-lubricating thermoplastic polyester rollers are low friction and long wearing for smooth operation and long life.

This compact, stackable pump features a durable steel housing with chip-resistant epoxy-based paint. Wide occlusion angle prevents fluid backflow up to the rated pressure of the tubing. MAX button runs motor at full speed to rapidly prime or flush tubing. Self-lubricating thermoplastic polyester (Ertalyte®TX) rollers are low friction and long wearing for smooth operation and long life.

Note:Dual-channel model must have same size tubing loaded in both channels to ensure tubing retention.
$1,140.00 - $1,160.00USD / Each

2 variations of this product are available.

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Max Flow Rate Per Channel (mL/min) Min Flow Rate Per Channel (mL/min) Number of Channels
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220 1.8 1
$1,140.00USD / Each
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118 1.8 2
$1,160.00USD / Each
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