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733/1-101 – QR transition coupling, gas

Variant: 733/1-101 – AVK’s QR transition coupling sets a new standard for Quick Repair of leaking pipe connections. This QR transition coupling is very easy to assemble without stopping the flow in the pipeline. The wedges are also easy to assemble without using a special tool. After assembling the QR transition coupling over the existing threaded connection the optional test outlet can be used for pressure testing. The QR transition coupling is maintenance free and made entirely of stainless steel with a rubber sealing inside and is therefor fully protected against corrosion.

Installation and maintenance


  • Fast and easy installation (no use of repair tape)
  • Cleaning of pipeline only where the sealing takes place
  • Light weight
  • Bolt free to assemble
  • Maintenance free
  • Max. working pressure 300 mbar
  • Functionality will remain at least 30 years (under normal conditions)
  • Resistant to vibrations of pipeline
  • Steel pipe diameter 1″ and 1 1/4″