Spooled Masterflex platinum-cured silicone tubing, I/P 73, 150 ft.


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  • Slightly greater clarity
  • Smooth surface; low protein binding levels
  • Preferred by pharmaceutical & biotechnology industries
  • Fewer potential leachables
  • USP Class VI
  • FDA Compliant
Brand Masterflex
Product Type Pump Tubing
Tubing formulation Silicone (platinum-cured)
Pump Series I/P
Masterflex tubing size (I/P) 73
Tubing ID (mm) 9.5
Hose barb size (in.) 3/8
Flow range with 1 to 650 rpm drive (LPM) 0.01 to 8
Flow range with 1 to 650 rpm drive Gallons/min 0.002 to 2.1
Max pressure (bar) 2.7
Max pressure (psi) 40
Max vacuum (mm Hg) 660
Max vacuum (" Hg) 26
Min temperature (º C) -50
Min temperature (º F) -58
Max temperature (º C) 230
Temperature range (º C) (Dynamic) -40 to 100
Temperature range (º F) (Dynamic) -40 to 212
Suction lift (m H2O) 8.8
Suction lift (ft H2O) 29
Length per pack (ft) 150
Resin certification (USP) Yes
Resin certification (European Pharmacopoeia) Yes
Resin certification (FDA) Yes
Resin certification (non-DEHP) Yes
Resin certification (non-phthalate) Yes
Resin certification (RoHS) Yes
Sterilization Method Gamma Irradiation

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    Questions and Answers

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    3 Questions | 3 Answers
    Displaying questions 1-3
    • Q:

      I think the max pressure spec is switched with the max continuous pressure spec on this webpage. 25 psi or 40 psi. Thanks.
      Asked on 5/24/2011 by Anonymous

      1 answer



        25 should be the continuous pressure rating for I/P 73. 40psi is the maximum intermittent pressure.

        Answered on 5/24/2011 by Mike from Tech Support
    • Q:

      Hi Can you confirm the outer diameter in mm
      Asked on 4/8/2011 by Anonymous

      1 answer

      • Staff Reviewer


        The outer diameter and wall thickness is proprietary.

        Answered on 4/8/2011 by Jen from Technical Support
    • Q:


      Can you confirm if the above part can be autoclaved up to 20 times without deformation or deterioration?

      Asked on 8/24/2010 by Migs from Ireland

      1 answer



        We cannot assure the accuracy, repeatability, and other specifications for this tubing once it has been autoclaved, so we recommend only Gamma sterilization on this tubing.

        Answered on 8/26/2010 by Jack from Technical Support
    Displaying questions 1-3

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