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Model

990217002

Model: 990217002

Series 3 - T-17A cavity, Polyurethane cartridge seal kit

Cavity: T-17A

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Model

990217002

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
    M36
  • Valve Hex Size
    1 1/4 in.
  • Valve Installation Torque
    150 - 160 lbf ft

What models can this kit be used with?

  • RSHS Pilot-operated, balanced poppet sequence valve
  • RSHS8 Pilot-operated, balanced poppet sequence main stage with integral T-8A control cavity
  • RVGS Ventable, pilot-operated, balanced poppet relief valve
  • RVGT Anti-Shock, ventable, pilot-operated, balanced poppet relief valve
  • SDHT Anti-Shock, pilot-operated, balanced poppet sequence valve with drain to port 3
  • 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.
  • After installing the GLYD® Ring, size it to restore original shape and to prevent damage during cartridge installation.
  • When installing cartridge - be sure to torque to recommended value.
  • GLYD® Ring is a registered trademark of W. S. Shamban and Co., Los Angeles, CA, USA
  • Part
    Description
    Quantity
  • 500-001-023
    O-Ring
    1
  • 500-202-124
    O-Ring
    1
  • 500-202-126
    O-Ring
    1
  • 530-102-024
    Glyd Ring
    1
  • 540-002-123
    Backup Ring
    1
  • 540-002-126
    Backup Ring
    1

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