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) Pharmed® Tygon LFL Silicone (platinum-cured) Silicone (peroxide cured) C-Flex Norprene food BioPharm Silicone (platinum-cured) Tygon food Tygon lab Norprene Tygon Fuel and Lubricant Viton® FDA Viton® PTFE Precision Tubing Specifications | Tubing size | L/S 13 | L/S 14 | L/S 16 | L/S 25 | L/S 17 | L/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/min | 0.36 to 36 | 1.3 to 130 | 4.8 to 480 | 10 to 1000 | 17 to 1700 | 23 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 lift | 29 ft H2O (8.8 m H2O) | 22 ft H2O (6.7 m H2O) | High-Performance Precision Tubing Specifications | Tubing size | L/S 15 | L/S 24 | L/S 35 | L/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 lift | 29 ft H2O (8.8 m H2O) | 27 ft H2O
(8.3 m H2O) |
*Nominal size.
**Actual performance varies depending on tubing formulation. |
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