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Pioneer offers a complete line of dust plugs and caps for their quick couplings. Each series shown in this catalog has a dust plug and cap specifically designed to be used with that style of coupling.
Dust plugs and caps serve a twofold function. They keep the mating surfaces clean, reducing contamination and protect the coupling halves when they are disconnected.
Protective dust plugs and caps play a crucial role in the use of quick couplings and no purchase of a hydraulic quick coupling is complete without the selection of an appropriate dust plug and cap. When ordering the dust cap/plug body size must correspond to that of the coupler or nipple.
Dust Plug: Used on Coupler (female half)
Dust Cap: Used on Nipple (male half)