oil rotary union / hydraulic / high-pressure / low-pressure

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oil rotary union / hydraulic / high-pressure / low-pressure oil rotary union / hydraulic / high-pressure / low-pressure - DNCHP


  • Medium:

    for oil

  • Applications:

    hydraulic, high-pressure, low-pressure, for transfer, medium-pressure, for pipes, for rollers, for construction vehicles

  • Material:

    carbon steel

  • Other characteristics:

    radial, screw-in, with seal, compact, light, right-angle, low-speed, orientable

  • Pressure:

    Max.: 350 bar (5,076 psi)

    Min.: 0 bar (0 psi)

  • Rotational speed:

    Max.: 5 rpm (31 rad.min-1)

    Min.: 0 rpm (0 rad.min-1)

  • Nominal size:

    Max.: 1 in

    Min.: 0.25 in


The Duff-Norton Europe DNCHP Series Rotary Union is an upgrade of the current DNTP Series and is specifically designed to respond to the extreme conditions encountered in Construction and Farming applications. Compared to the DNTP series, the DNCHP Series offers better performance in terms of weight, torque, and reliability in these applications.
Its simple design, using nickel plated carbon steel for corrosion resistance, prevents high pressure hoses from twisting in any weather and temperature condition.

– Construction, Building, Wood, Habitat
– Trading
– Transport and Logistics

Technical Data:
Number of ports: 1 way
Fluid: Oil
Rotation Speed: Articulation (up to 5 RPM)
Pressure working: Low (from 0 to 10 bars), Intermediate (from 0 to 100 bars), High (from 0 to 350 bars)
Size: from 1/4″ to 3/8″, from 3/8″ to 1/2″, from 1/2″ to 1″
Material: Steel
Surface treatment: Chemical Nickel
Implantation: Straight
Temperature working: -20°C to 130°C
Connection: Thread
*for any other type of connection, please contact us.

Other Duff-Norton products

Rotary unions