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Model

990311006

Model: 990311006

Series 1 - T-11A cavity, Viton, cartridge seal kit

Cavity: T-11A

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Model

990311006

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
    M20
  • Valve Hex Size
    7/8 in.
  • Valve Installation Torque
    30 - 35 lbf ft

What models can this kit be used with?

  • CKCV Vented pilot-to-open check valve - atmospherically referenced
  • DKDC Normally closed, balanced poppet, logic element - pilot-to-open
  • DODC Normally open, balanced poppet, logic element - pilot-to-close
  • 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.
  • When installing cartridge - be sure to torque to recommended value.
  • Part
    Description
    Quantity
    View
  • 500-101-011
    O-Ring
    1
    A
  • 500-102-015
    O-Ring
    1
    E
  • 500-102-017
    O-Ring
    2
    C,D
  • 500-102-904
    O-Ring
    1
    B
  • 515-102-015
    Backup Ring
    1
    E
  • 515-102-016
    Backup Ring
    1
    D
  • 515-102-017
    Backup Ring
    1
    C
  • 999-311-006
    Literature
    1

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