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Pumphead L/S Easy-Load 3 SS

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Mount and stack heads without tools or hardware
  • Flow range 1.7 to 2900 mL/min—flow rate depends on drive rpm and tubing size
  • Twist-lock mounting feature lets you mount and stack heads in seconds
  • Included mounting plate adapts Easy-Load 3 to L/S drives — locking tab secures pump head during operation in either direction
  • Same side tubing entry/exit permits easy integration into space-limited applications — mount and operate pump head in any of four positions—depending on drive
  • Suitable for use with Masterflex L/S High-Performance Precision tubing
  • Rotor is constructed of stainless steel (SS) for enhanced durability


mounting plate/adapter kit for L/S pump drives


The design of the Easy-Load 3 features an automatic retention mechanism that makes loading and unloading tubing easier than ever. The spring-loaded occlusion lever opens the occlusion bed and simultaneously retracts the tubing retainers so that tubing slips right in. Close the lever and start the pump — the retainers automatically grip and hold the tubing securely in place. The occlusion bed applies optimal occlusion force and the wide occlusion angle prevents fluid backflow up to the rated pressure of the tubing.

Compatible with high-performance precision pump tubing accepting all four tubing sizes — L/S 15, L/S 24, L/S 35, and L/S 36.

Specifications & Description

  • Pump Series: L/S
  • Number of Channels: 1
  • Max Flow Rate (mL/min): 2900
  • Min Flow Rate (mL/min): 0.034
  • Max Flow Rate Per Channel (mL/min): 2900
  • Min Flow Rate Per Channel (mL/min): 0.034
  • Housing Material: Polypropylene (PP)
  • Tubing Retention: Automatic
  • Occlusion: Fixed
  • Optimum RPM Range (rpm): 0.02 to 600
  • Rollers: Three; stainless steel
  • Rotor Material: Stainless Steel
  • Suction Lift (ft): 29
  • Suction Lift (m): 8.8
  • Gear Ratio: 1:1
  • Tubing sizes accepted: L/S 15, L/S 24, L/S 35, L/S 36
  • Volume Per Revolution With L/S 15 Tubing (mL): 1.7
  • Volume Per Revolution With L/S 24 Tubing (mL): 2.8
  • Volume Per Revolution With L/S 35 Tubing (mL): 3.8
  • Volume Per Revolution With L/S 36 Tubing (mL): 4.8
  • Length (in): 3.125
  • Width (in): 3.45
  • Height (in): 4.75
  • Length (mm): 78
  • Width (mm): 88
  • Height (mm): 121
  • Open-Head Sensor: No
  • Description: L/S Easy-Load 3 Head for High Performance Tubing, SS
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