Straub®-Open-Flex 1L GT

Straub®-Open-Flex 1L GT Coupling

Straub®-Open-Flex 1L GT

Wrap-around pipe coupling with side outlet for the repair of pipes of all materials

*Available for all STRAUB®-OPEN-FLEX 1 diameter from 73.0mm, STRAUB -OPEN-FLEX- 2, 3, 3.5 & 4 to 4064.0mm.*

The Straub®-Open-Flex GT combines all the advantages of the original, with the added benefit of a side outlet. A simple, low-cost solution for a wide range of applicationsm including venting sample-taking measurement points and system extensions. Connection possibilities with treaded fittings and STRAUB® couplings.


  • Diameter from 73.0 to 168.3 mm
  • Operatng pressure up to 16 bar.
  • Temprature range from -20°C to 70°C

The temperature ranges indicated are based on the use of EPDM sealing sleeves. EPDM and NBR sealing sleeves are used by default.

Various coupling sizes also available with FPM/FKM sealing sleeves (Temperature range: -20°C to 70°C).

All diameters and designs available plus accessories (strip inserts, stiffening rings, fitting pliers, tensioning straps) can be obtained from the technical manual.

Construction and design of the STRAUB pipe couplings comply with the directives of DIN 86128-1 and 86128-2.