AVK QR transition coupling

Steel pipes, NBR, AISI304, with test nipple.

Industrial Netherlands building


AVK Industrial Nederland BV

Schorsweg 1 8171 ME Vaassen Netherlands

AVK QR transition coupling for Gas -20º C up to +70º C

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.

Variant 733/1-101
Material: Stainless steel
DN: DN25 - DN32
PN: PN 10


  • 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"



Reference nos. and dimensions:

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AVK ref. no. T
733-032-1-101 33,3 - 34,6 69 140 81
733-040-1-101 41,7 - 43,3 78 140 90
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1. Top part Stainless steel AISI 304
2. Bottom part Stainless steel AISI 304
3. Wedge Stainless steel AISI 304
4. Lining NBR rubber
5. Lining NBR rubber
6. Nipple Stainless steel AISI 304


  • Designed and tested according to NEN-EN 682, NEN-EN 102550, BRL 17602, NEN-EN 751, NEN-EN ISO 9227 and KE186
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