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UNION,MONO,1 NPT Enlarge View
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New Deublin Website Coming Soon. Please order through our Customer Service Team at cs@deublin.com or 847-689-8600. Thank you for your understanding.



Item #: 2425-001-281

  • Monoflow design
  • In-the-shaft mounted
  • Self-supported rotating union
  • Flanged housing or mounted with retaining plate
  • Balanced mechanical seal
  • Brass housing and elbow
  • Stainless steel rotor and supply pipe
  • Engineered sleeve bearing
  • Full-media flow
  • Easily field repairable

    Seal combination: Silicon Carbide/Silicon Carbide

  • For price and availability, please

    or call 847-689-8600


    Quick Contact

    Fields marked with   are required

    Hose Connection   NPT
    Housing Connection   Radial
    Housing Hose Thread Size B   1"
    Media   Water
    Passages   One Passage
    Rotor Threaded   Flanged
    Seal Combination   Standard Seals
    Union Size   1"



    A   2.94 IN
    B Port   1"
    C   3.06 IN
    D   3.25 IN
    E Max   2.32 IN
    E Min   2.31 IN
    F   2.88 IN
    H   1.44 IN
    J   0.19 IN
    K   1.03 IN
    L   0.75 IN
    M   2.13 IN
    N   1.81 IN
    O   1.56 IN



    Max Speed   100 RPM
    Water Pressure   150 PSI
    Water Temp   250 F



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    Welcome to DEUBLIN >

    Welcome to Deublin.com!

    Since 1945, Deublin has grown from a small garage shop to the world’s largest manufacturer of rotary unions (rotating unions). Our worldwide distribution network allows OEM’s all over the world to specify Deublin rotary unions when purchasing equipment made in another country. Wherever you’re located, Deublin has a stocking distributor nearby to meet your fluid handling requirements—quickly. Rotary unions must accommodate a broad range of materials, viscosities, temperatures, pressures and speeds. That’s why the Deublin rotary union product line offers over 500 standard rotary unions, over 3,000 separate models, and more than 6,000 individual components to handle them.

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