quick coupling hose connectors in qatar - PUHUI UL,NSF ...
Folding the handle in locks the ring and secures the coupling from opening. TW couplings are available in DN50, DN80 and DN100 sizes (2″, 3″ and 4″). The couplings are made of AISI316 stainless HDPE, brass or aluminium; seals are made of CSM (hypalon), NBR and many other materials.
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