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Masterflex L/S Tubing Options | Avantor

Masterflex L/S Tubing Options

Achieve top performance from your Masterflex L/S pump heads when you use precision-extruded tubing. Tubing is manufactured to tight tolerances that match our L/S pump heads. Choose from precision tubing or high-performance precision tubing. High-performance precision tubing has a thicker wall that improves pressure generation, suction lift, ability to pump viscous fluids, and tubing life. Choose from over a dozen different formulations.

  • BioPharm Plus Silicone (platinum-cured)
  • BioPharm Silicone (platinum-cured)
  • Chem-Durance® Bio
  • C-Flex®
  • C-Flex® ULTRA
  • GORE® STA-PURE® Series PCS
  • GORE® STA-PURE® Series PFL
  • Norprene® (A 60 G)
  • Norprene Food (A 60 F)
  • PharMed®
  • PharmaPure®
  • Puri-Flex
  • Silicone (platinum-cured)
  • Silicone (peroxide cured)
  • Tygon Chemical
  • Tygon Food
  • Tygon Fuel and Lubricant
  • Tygon Lab
  • Tygon® E-LFL
  • Viton®

Precision Tubing Specifications

Tubing sizeL/S 13L/S 14L/S 16L/S 25L/S 17L/S 18
Inside diameter* in. (mm)0.03 (0.8)0.06 (1.6)0.12 (3.1)0.19 (4.8)0.25 (6.4)0.31 (7.9)
Hose barb size* in. (mm)1/16 (1.6)1/16 (1.6)1/8 (3.2)3/16 (4.8)1/4 (6.4)3/8 (9.5)
Flow range with 6 to 600 rpm drive mL/min0.36 to 361.3 to 1304.8 to 48010 to 100017 to 170023 to 2300
Maximum pressure, continuous**25 psig (1.7 bar)20 psig
(1.4 bar)
15 psig
(1.0 bar)
10 psig
(0.7 bar)
Maximum pressure, intermittent**40 psig (2.7 bar)35 psig
(2.4 bar)
20 psig
(1.4 bar)
15 psig
(1.0 bar)
Maximum vacuum**26" Hg (660 mm Hg)20" Hg (510 mm Hg)
Suction lift29 ft H2O (8.8 m H2O)22 ft H2O (6.7 m H2O)

High-Performance Precision Tubing Specifications

Tubing sizeL/S 15L/S 24L/S 35L/S 36
Inside diameter* in. (mm)0.19 (4.8)0.25 (6.4)0.31 (7.9)0.38 (9.7)
Hose barb size* in. (mm)3/16 (4.8)1/4 (6.4)3/8 (9.5)3/8 (9.5)
Flow range with 6 to 600 rpm drive
in mL/min. Values in ( ) obtained with High-Performance pump head
10 to 1000
(11 to 1100)
17 to 1700
(18 to 1800)
23 to 2300
(26 to 2600)
29 to 2900
(34 to 3400)
Maximum pressure, continuous**25 psig (1.7 bar)20 psig
(1.4 bar)
15 psig
(1.0 bar)
Maximum pressure, intermittent**40 psig (2.7 bar)35 psig
(2.4 bar)
20 psig
(1.4 bar)
Maximum vacuum**26" Hg (660 mm Hg)24" Hg
(610 mm Hg)
Suction lift29 ft H2O (8.8 m H2O)27 ft H2O
(8.3 m H2O)

*Nominal size.
**Actual performance varies depending on tubing formulation.