Active safety couplings RSI

Stäubli developed 3-in-1 active safety to eliminate the risk of violent hose ejection under pressure. With this technology, RSI couplings provide a completely safe solution to operators’ most demanding needs.

Applications: Spurs on pipework, fittings on extension hoses, pneumatic tool connections, blowguns, automatic systems on machines and more

Technical specifications

  • Nominal diameter DN (mm): from 6 to 11
  • Maximum allowable pressure PS (bar)*: 16


  • Compressed air


  • Socket body: Stainless steel with 17% chromium
  • Lock: Heat-treated steel
  • Plug: Hardened and ground stainless steel with 13% chromium 
  • Shutoff: Valved socket; unvalved plug 
  • Swiveling feature with a high-strength aluminum ball and socket

Other features

  • RSI coupling bodies can be rotated to make the button as accessible as possible
  • Raised pushbutton option
  • Light weight
  • Swiveling version with high flexibility and effortless operation

*depending on the model and operating conditions

Online demonstration: swivel versions

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Online demonstration: anti-hose whip safety

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