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Masterflex™ L/S™ Easy-Load II Pump Heads for Precision Tubing

Masterflex™ L/S Easy-Load II Pump Heads for Precision Tubing with automatic retention holds tubing securely in place with no manual adjustment—just load the tubing and start the pump

Supplier:  Masterflex™ MFLX7720030

Catalog No. 11-747-357

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Includes: single-channel mounting hardware and a 15 in. (38-cm) length of silicone pump tubing.

Requires : This pump head requires an L/S drive equipped with open-head sensor functionality



  • Four-roller rotor improves pressure performance and mechanical stability while reducing pulsation
  • Improved occlusion bed geometry lengthens tubing life
  • Polyphenylene sulfide (PPS) housing with either stainless steel (SS) or cold-rolled steel (CRS) rotor—choose CRS for economy or SS for greater durability and chemical resistance
  • Model 77201-60 with adjustable occlusion gives you the option of loosening occlusion for longer tubing life or increasing occlusion for higher pressure
  • Each pump head for precision pump tubing accepts tubing sizes L/S™ 13, L/S™ 14, L/S™ 16, L/S™ 25, L/S™ 17, and L/S™ 18. Achieve flow rates of 0.06 to 2300 mL/min (1 to 600 rpm)


ISO 9002 registered

Warranty and Services

2 Years



0.0012 to 2300 mL/min., depending on tubing size and drive rpm
L/S 13, L/S 14, L/S 16, L/S 25, L/S 17, L/S 18 tubing and Masterflex L/S drives with open-head sensor
PPS, Stainless Steel
12.1 cm
8.2 cm
12.7 cm
Masterflex L/S Easy-Load II Head for Precision Tubing with Open-Head Sensor, PPS/SS
Fluid handling
Single-channel mounting hardware and a 15 in. (38 cm) length of silicone pump tubing.
L/S Easy-Load II
4.75 in.
3.25 in.
5 in.
L/S Precision Tubing (thin wall)
1.2 lb.
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