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For quickly connecting pipe lines with hose lines, including a protective cap. The gas flow is shut off when the coupling is disconnected.
The SKU plug-in coupling must always be used in conjunction with a check valve. Only the standardised STN quick nipples are to be used for connection with the hose line.
Thanks to a special mechanism, the SKU plug-in coupling is tamper-proof – unlocking is only possible using the STN plug nipple.