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Model

U3N

   
   
Modifier
Model: U3N

ISO 07: Reducer/reliever on P

Cavity: T-8A

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Model

U3N

   
   
Modifier
Function
Function image

Technical specifications

  • Modifiers
    Ports
    • U3N, /10, /11, /15, /16, /S, /S3, /S4, /V, /Y, /Y3, /Y4
      Gage Port (Plugged): SAE 4;
    • U3N/1A, /1B, /1F, /1G, /M, /T, /T3, /T4, /W, /W3, /W4, /Z
      Gage Ports (Plugged): 1/4" BSPP;

    This is a reducer/reliever three-valve assembly. The open T-8A cavity will accommodate the reducer/reliever's pilot control cartridge. Sun offers a variety of pilot control options, including electro-proportional relief, and inverse electro-proportional relief. This assembly also includes an integral pressure compensated flow restrictor set at 0.10 gpm (0,4 L/min.).

    • This assembly includes a 3-port cavity plug allowing the relief flow from the pilot control valve to drain to T. This cavity plug can be changed to different plug or 3-port valve configurations providing circuit flexibility and convenience.
    • Body Type
      Sandwich
    • Cavity
    • Interface
      ISO 07
    • Body Features
      Reducer/reliever on P
    • Includes integral cartridge(s)
      Yes (see Included Components)
    • Open Cavities
      1
    • Port Size
      SAE 4
    • Seal Plate Included (see notes)
    • Stack Height
      3.94 in.
    • Why doesn't Sun anodize their aluminum bodies?
    • How big is a drop of hydraulic oil?  
    • Seal retainer plate is not required for this model.
    • Important: Carefully consider the maximum system pressure. The pressure rating of the manifold is dependent on the manifold material, with the port type/size a secondary consideration. Manifolds constructed of aluminum are not rated for pressures higher than 3000 psi (210 bar), regardless of the port type/size specified.
    • Part
      Description
      Quantity
    • 500-001-111
      O-Ring
      2
    • 500-001-118
      O-Ring
      4
    • 811-001-006
      Pin
      2
    • A330-006-002
      SAE Plug
      3
    • A330-006-004
      SAE Plug
      3
    • Cartridge
      1
    • Cartridge
      1
    • Cartridge
      1

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