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Model

990402006

Model: 990402006

Series 2 - T-2A cavity, Viton, cartridge seal kit

Cavity: T-2A

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Model

990402006

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
    1"-14 UNS
  • Valve Hex Size
    1 1/8 in.
  • Valve Installation Torque
    45 - 50 lbf ft

What models can this kit be used with?

  • RSFS Pilot-operated, balanced poppet sequence valve
  • RSFS8 Pilot-operated, balanced poppet sequence main stage with integral T-8A control cavity
  • RVES Ventable, pilot-operated, balanced poppet relief valve
  • RVET Anti-Shock, ventable, pilot-operated, balanced poppet relief valve
  • SDFT Anti-Shock, pilot-operated, balanced poppet sequence valve with drain to port 3
  • Install back-up rings and O-rings as shown in views.
  • See installation variations for models associated with alternative installation views.
  • When installing continuous back-up rings, use the same technique and the same care used to install O-rings.
  • After installing the GLYD® Ring, size it to restore original shape and to prevent damage during cartridge installation.
  • GLYD® Ring is a registered trademark of W. S. Shamban and Co., Los Angeles, CA, USA
  • Part
    Description
    Quantity
    View
  • 500-101-017
    O-Ring
    1
    C
  • 500-101-021
    O-Ring
    1
    A
  • 500-102-020
    O-Ring
    1
    B
  • 515-102-020
    Backup Ring
    1
    B
  • 515-102-021
    Backup Ring
    1
    A
  • 530-102-018
    Glyd Ring
    1
    C

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