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Model

990034014

Model: 990034014

Series 4 - T-34A cavity, EPDM, seal kit

Cavity: T-34A

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Model

990034014

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.

  • EPDM seals have no limited shelf life.
  • EPDM seals are purple in color for easy stock and field identification.
  • 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?

  • 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.
  • Cartridges with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
  • Part
    Description
    Quantity
    View
  • 500-701-128
    O-Ring
    2
    C,D
  • 500-701-129
    O-Ring
    1
    B
  • 500-701-131
    O-Ring
    1
    A
  • 525-006-128
    O-Ring
    4
    C,D
  • 525-006-129
    O-Ring
    2
    B
  • 525-006-131
    Backup Ring
    1
    A

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