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Model

990034006

Model: 990034006

Series 4 - T-34A cavity, Viton, cartridge seal kit

Cavity: T-34A

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Model

990034006

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 twenty years from date of purchase. This date will be printed on the kit packaging.
  • Cavity
  • Series
  • Cartridge Thread
    M48
  • Valve Hex Size
    1 5/8 in.
  • Valve Installation Torque
    350 - 375 lbf ft

What models can this kit be used with?

  • DSIH Low side, 3-position, hot oil shuttle valve
  • DSIO Spring offset, 2-position, high side shuttle valve
  • DSIS High side, 3-position, shuttle valve
  • DSIX 3-way, 2-position, vent-to-shift diverter valve, normally closed
  • DSIY 3-way, 2-position, vent-to-shift diverter valve, normally open
  • FSFA Closed center, flow divider-combiner valve
  • FSFC High accuracy flow divider valve
  • FSFD Flow divider valve
  • FSFG High accuracy, closed center, flow divider-combiner valve
  • FSFH High capacity, closed center, flow divider-combiner valve
  • FSFR High accuracy synchronizing, flow divider-combiner valve
  • FSFS Synchronizing, flow divider-combiner valve
  • LHJA Bypass/restrictive, priority modulating element
  • XVCA All ports blocked 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
  • 500-101-128
    O-Ring
    2
    C,D
  • 500-101-129
    O-Ring
    1
    B
  • 500-102-131
    O-Ring
    1
    A
  • 515-102-128
    Backup Ring
    4
    C,D
  • 515-102-129
    Backup Ring
    2
    B
  • 515-102-131
    Backup Ring
    1
    A

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