Halkey Roberts

Oral Tube Assemblies


740ROLS Oral (Oval) Tube Series

Product Information

The 740ROL Series Oral Tubes are designed for applications requiring a durable connection to either a film or a coated fabric.

Available Replacement Parts:

  • 736ACU4:  Dust cap

Assembly Tool Numbers:

  • D747:   Sealing die
  • T740:   Valve extractor
  • TV74703G:  Inflate/deflate adapter


Features and Benefits

  • Large oval sealing flange (click for image) maximizes bonding strength
  • Smooth radius allows maximum flow while protecting the life vest fabric integrity
  • High flow for easy top off and oral inflation
  • Available lengths:
    • 4.31 inches (10.95 cm)
    • 5.53 inches (14.05 cm)
    • 6.75 inches (17.1 cm)
  • Available colors: red and black
  • 100% pressure tested

Specifications and Technical Information

  • Materials:
    • Tube:  polyether urethane
    • Dust Cap:  black urethane
    • Valve: 
      • acetal
      • silicon
      • stainless steel
      • aluminum
  • Approvals:
    • UL recognized for use on USCG approved life vests
    • Meets Cen/ISO 12402-7 standard

Information Downloads

Note:  "C" prefix indicates HR drawing available for our customers.  When ordering, actual part number does not include "C" prefix.

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