Deublin Co. - 3/8" Air Single Passage Unions

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Precision Rotating Connections for Water, Steam, Air, Hydraulic, Vacuum, Coolant and Hot Oil Service.
 
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 Rotating Union Selector    3/8" Air Single Passage Unions
Rotating Union Selector > Single & Two-Passage Air Unions > 3/8" Air Single Passage Unions > View Items 

3/8" Air Single Passage Unions

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  • 1129 Series Bearingless "Controlled Leakage" Rotating Unions
  • Single passage for dry or lubricated air
  • Patented “pop-off” technology allows unlimited dry running without media pressure
  • Pop-off stroke of 0.7-3.0 mm compensates for thermal expansion of spindle during extended operation as well as variations in drawbar position
  • Full-flow design has no obstructions to trap chips or debris
  • Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
  • Anodized aluminum housing resists corrosion


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    1129 Series: Controlled Leakage Primary Image

    larger image     		1129 Series: Axial Connection Drawing

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    Item #

    Passages

    Hose Connection Size (B)

    Rotor Type

    Rotor Thread Direction

    Rotor Thread Size (A)

    Seal Combination

    D

    Union Size (in)

    1129-490-489 MonoFlow 30 f7 Counterbore mm Threaded RH M12 x 1 mm Standard Seal 84 mm 3/8
    1129-051-482 MonoFlow 30 f7 Counterbore mm Threaded RH M12 x 1 mm Standard Seal 72 mm 3/8
    1129-775 MonoFlow 44 e8 Counterbore mm Threaded RH 12 e7 mm Standard Seal 63 mm 3/8
      Results 1 - 3 of 3 1