Series RU031

General Purpose Mechanical Seal Rotary Unions

  • Rotary Systems' general purpose mechanical seal rotary unions are designed for the printing and rubber industries. Utilizing silicon carbide to carbon graphite seals. The 031 series rotary unions feature full flow design with radial ball bearings for high speeds at moderate pressures.

    Request More Info Installation Guide
  • Specifications

    Max. Hydraulic Pressure750 PSI
    Max. Air Pressure250 PSI
    Max. Vacuum Pressure28" Hg
    Max. Temperature300° F
    Max. RPM4,000
    Request More Info Installation Guide
  • Speed vs. Pressure

  • Options

    • Material

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

    • Threads

      Threads
      All common thread types available.

General Purpose Mechanical Seal Rotary Unions
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Variations

Part #A ThreadB ThreadC LengthD Diameter
Part #10052-3101-005A Thread0.375 NPTB Thread0.375 NPTC Length3.812D Diameter1.750Request Drawing
Part #10052-3101-006A Thread0.375 NPT LHB Thread0.375 NPTC Length3.812D Diameter1.750Request Drawing
Part #10052-3101-032A Thread0.625-18 UNFB Thread0.375 NPTC Length3.812D Diameter1.750Request Drawing
Part #10052-3101-033A Thread0.625-18 UNF LHB Thread0.375 NPTC Length3.812D Diameter1.750Request Drawing
Part #10053-3101-007A Thread0.500 NPTB Thread0.500 NPTC Length4.812D Diameter2.250Request Drawing
Part #10053-3101-008A Thread0.500 NPT LHB Thread0.500 NPTC Length4.812D Diameter2.250Request Drawing
Part #10053-3101-034A Thread0.750-16 UNFB Thread0.500 NPTC Length4.656D Diameter2.250Request Drawing
Part #10053-3101-035A Thread0.750-16 UNF LHB Thread0.500 NPTC Length4.656D Diameter2.250Request Drawing
Part #10054-3101-009A Thread0.750 NPTB Thread0.750 NPTC Length5.562D Diameter2.875Request Drawing
Part #10054-3101-010A Thread0.750 NPT LHB Thread0.750 NPTC Length5.562D Diameter2.875Request Drawing
Part #10054-3101-036A Thread1.000-14 UNSB Thread0.750 NPTC Length5.437D Diameter2.875Request Drawing
Part #10054-3101-037A Thread1.000-14 UNS LHB Thread0.750 NPTC Length5.437D Diameter2.875Request Drawing
Part #10055-3101-011A Thread1.000 NPTB Thread1.000 NPTC Length6.812D Diameter3.200Request Drawing
Part #10055-3101-012A Thread1.000 NPT LHB Thread1.000 NPTC Length6.812D Diameter3.200Request Drawing
Part #10055-3101-038A Thread1.500-12 UNFB Thread1.000 NPTC Length6.812D Diameter3.200Request Drawing
Part #10055-3101-039A Thread1.500-12 UNF LHB Thread1.000 NPTC Length6.812D Diameter3.200Request Drawing