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Masterflex™ L/S™ Easy-Load™ II Pump Head with Adjustable Occlusion for High-Performance Precision Tubing

Automatic retention holds tubing securely in place with no manual adjustment--just load the tubing and start the pump.

Catalog No. 15-176-128

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Includes: Single-channel mounting hardware and a 15 in. (38cm) length of silicone pump tubing. For stacking multiple heads, order two- three- or four-channel hardware separately.



Use these pump heads with high performance tubing. Masterflex™ L/S™ Easy-Load™ II Pump Heads feature automatic retention which holds tubing securely in place without manual adjustment. Just load the tubing and start the pump.

  • Adjustable occlusion provides the option of loosening occlusion for longer tubing life or increasing occlusion for higher pressure
  • 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
  • Accepts tubing: L/S 15, L/S 24, L/S 35, L/S 36


Stainless Steel, Cold-rolled Steel
1.7 to 2900 mL/min.
2.75 in.
4.75 in.
5 in.
Polyphenylene Sulfide
High performance precision tubing
Single channel mounting hardware and a 15 in. L of Silicone pump tubing
7 cm
12.1 cm
Pump Head
Product Certifications
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