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Model

990318007

Model: 990318007

Series 4 - T-18A cavity, buna-N, cartridge seal kit

Cavity: T-18A

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Model

990318007

See CAD Files tab below to request images.

Technical specifications

  • The shelf life for this cartridge seal kit is ten 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?

  • RDJA Direct-acting relief valve
  • RPKS Pilot-operated, balanced poppet relief valve
  • RPKS8 Pilot-operated, balanced poppet relief main stage with integral T-8A control cavity
  • RPKT Anti-Shock, pilot-operated, balanced poppet relief valve
  • 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
    View
  • 500-001-126
    O-Ring
    1
    B
  • 500-002-131
    O-Ring
    1
    A
  • 515-002-131
    Backup Ring
    1
    A
  • 530-102-127
    Glyd Ring
    1
    B

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