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Fire hose coupling function

Fire hose coupling function:

  1. Fire hose coupling (KD, KDN) is installed at both ends of the fire hose, and one end is connected with the KN coupling of the indoor fire hydrant or the KWS of the fire hydrant on the KWS of the ground and the KWA coupling of the underground fire hydrant, and the other end is connected with the KY coupling on the fire hose, which plays the function of fire supply water extinguishing.
  2. KY coupling is installed on the fire nozzle, connected with the KD coupling of the fire hose when use, playing the function of fire fighting water supply and fire extinguishing.
  3. The internal thread fixed coupling (KN) is installed at the outlet of the indoor fire hydrant and connected with the KD coupling of the fire hose when used.
  4. outside thread fixed coupling (KWS, KWA): KWS coupling is installed at the ground hydrant outlet, and is connected with the KD coupling of the fire hose.
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