Series RU016

4 Pass Threaded Shaft Rotary Unions

  • Rotary Systems’ multi-purpose 4-passage rotary unions feature threaded shaft connections, a recessed hardened and ground shaft, a through bore to accommodate electrical slip rings, deep groove radial contact ball bearings and carbon fiber impregnated Teflon Seals.

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  • Specifications

    Max. Hydraulic Pressure7,000 PSI
    Max. Air Pressure250 PSI
    Max. Vacuum Pressure28" Hg
    Max. Temperature300° F
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  • Speed vs. Pressure

  • Options

    • Material

      Choose based on application. Hastelloy and Super-Duplex Stainless available.

    • Bearing Covers

      Bearing Covers
      Additional bearing protection for harsh environments.

    • Shaft Extension

      Shaft Extension
      Couples rotary union to drive or driven machinery. 1/8" keyway.

    • Slip Rings

      Slip Rings
      Pass power, signal, and data with 24" long leads up to 10 amps per circuit.

    • Threads

      All common thread types available.

4 Pass Threaded Shaft Rotary Unions
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Part #A ThreadB LengthC Diameter
Part #10050-1604-000A Thread0.125 NPTB Length4.103C Diameter2.200Download Drawing
Part #10051-1604-000A Thread0.250 NPTB Length4.884C Diameter2.700Download Drawing
Part #10052-1604-000A Thread0.375 NPTB Length6.010C Diameter2.950Download Drawing
Part #10053-1604-000A Thread0.500 NPTB Length6.765C Diameter3.450Download Drawing
Part #10054-1604-000A Thread0.750 NPTB Length9.112C Diameter4.450Download Drawing
Part #10055-1604-000A Thread1.000 NPTB Length10.458C Diameter5.450Download Drawing