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      Terms Beginning with 'D'

      Differential Pressure
        The difference between any two points of a system or a component.

      DOT
        Department Of Transportation

      Double-Acting Sleeve
        Permits push-to-connect and pull-to-connect convenience when female half is clamp mounted on the sleeve.

      Drybreak Coupling
        A coupling that allows connection and disconnection without spillage.

      Duro
        A measure of the hardness for a rubber compound. Generally: 70 Duro for low to medium pressure, and 90 Duro for high pressure. Consult the Hosemaster for determination of your system's requirements.

      Dust Cap
        Dust or dirt repelling enclosure for the coupler.

      Dust Plug
        Dust or dirt repelling enclosure for the nipple.

      Dynamic Pressure
        Pressure that is not at rest and once it is released, it is immediately replenished.

             
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