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Model

990163002

Model: 990163002

Series 0 - T-163A cavity, Polyurethane cartridge seal kit

Cavity: T-163A

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Model

990163002

See CAD Files tab below to request images.

Technical specifications

Sun offers replacement seal kits for all cartridge models. These kits include all of the external seals on the cartridge along with installation instructions. Seal kits are available in Buna-N and Viton for all models, along with EPDM and polyurethane for many models. Please note: Converting the external seals from one material to another does not ensure fluid compatibility with that material due to the existence of internal seals within the cartridge.

  • The shelf life for this cartridge seal kit is ten years from date of purchase. This date will be printed on the kit packaging.
  • Polyurethane seals have a higher tensile strength, are more abrasion/extrusion resistant, and are well suited for high cycle and high pressure applications.
  • Cavity
  • Series
  • Cartridge Thread
    M16
  • Valve Hex Size
    3/4 in.
  • Valve Installation Torque
    20 - 25 lbf ft

What models can this kit be used with?

  • CKBB Pilot-to-open check valve with standard pilot
  • CKBD Pilot-to-open check valve with sealed pilot
  • CKBG Flush mount pilot-to-open check valve with sealed pilot
  • COBA Pilot-to-close check valve
  • COBG Pilot-to-close check valve
  • CSAX Single ball shuttle valve with signal at port 3
  • CSAZ Single ball shuttle valve with signal at port 2
  • FRBA Fixed-orifice, bypass/restrictive, priority, flow control valve
  • LPBA Normally open, modulating element with pilot source from port 1
  • LPBC Normally open, modulating element
  • LRBA Normally closed, modulating element with pilot source from port 1
  • LRBC Normally closed, modulating element
  • PBBB Pilot-operated, pressure reducing valve
  • PPBB Pilot-operated, pressure reducing/relieving valve
  • RSBC Pilot-operated, balanced piston sequence valve
  • RVBA Ventable, pilot-operated, balanced piston relief valve
  • RVBB Normally closed modulating element valve with relief function
  • SQBB Kick-down, pilot-operated, balanced piston sequence valve
  • XZAA Port 2 to 3 open, port 1 blocked cavity plug
  • XZBA Port 1 to 3 open, port 2 blocked cavity plug
  • XZCB All ports blocked cavity plug
  • XZOB Port 1 to 2 open, port 3 blocked cavity plug
  • XZOD All ports open cavity plug
  • Install back-up rings and O-rings as shown in views.
  • When installing continuous back-up rings, use the same technique and the same care used to install O-rings.
  • When installing cartridge - be sure to torque to recommended value.
  • Part
    Description
    Quantity
    View
  • 500-202-014
    O-Ring
    1
    B
  • 500-202-015
    O-Ring
    1
    A
  • 500-252-426
    O-Ring
    1
    C
  • 540-002-014
    Backup Ring
    1
    B
  • 540-002-015
    Backup Ring
    1
    A
  • 540-052-426
    Backup Ring
    2
    C

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