Key Mark Coupling

Witt Keymark Couplings

Quotation request

For the protection of outlet points

  • rapid connection and disconnection of the hose
  • simple and robust color-coding of body and nipple
  • coupling probe made of durable stainless steel
  • only the owner of the designated key mark can extract gas
  • certified to DIN EN 561 / ISO 7289
  • every hose coupling 100% tested


Key Mark Coupling is used in following areas:


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WITT USA: +1 770-664-4447

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