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Model

990017014

Model: 990017014

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

Cavity: T-17A

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Model

990017014

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
    1"-14 UNS
  • Valve Hex Size
    1 1/4 in.
  • Valve Installation Torque
    150 - 160 lbf ft

What models can this kit be used with?

  • CBGA 3:1 pilot ratio, standard capacity counterbalance valve
  • CBGG 4.5:1 pilot ratio, standard capacity counterbalance valve
  • CBGL 2.3:1 pilot ratio, standard capacity counterbalance valve
  • CKGB Pilot-to-open check valve with standard pilot
  • CKGD Pilot-to-open check valve with sealed pilot
  • LKHC Pilot-to-open, spring-biased closed, unbalanced poppet logic element
  • LKHCZ Pilot-to-open, spring-biased closed, unbalanced poppet logic element with position switch
  • LOHB Vent-to-open, spring-biased closed, unbalanced poppet logic element with pilot source from port 2
  • LOHC Pilot-to-close, spring-biased closed, unbalanced poppet logic element
  • LOHCL Pilot-to-close, spring-biased closed, unbalanced poppet logic element
  • LOHO Pilot-to-close, spring-biased open, unbalanced poppet logic element
  • LPHC Normally open, modulating element
  • MBGA 3:1 pilot ratio, load reactive, load control valve
  • MBGAX Fixed setting, 3:1 pilot ratio, load reactive, load control valve
  • PBHB Pilot-operated, pressure reducing valve
  • PBHB8 Pilot-operated, pressure reducing main stage with integral T-8A control cavity
  • PBHF8 Pilot-operated, pressure reducing main stage with drilled piston orifice and integral T-8A control cavity
  • PPHB Pilot-operated, pressure reducing/relieving valve
  • PRHB Direct-acting, pressure reducing/relieving valve
  • RVGA Ventable, pilot-operated, balanced piston relief valve
  • XHOB All ports open cavity plug
  • 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
  • 500-701-120
    O-Ring
    1
    C
  • 500-701-124
    O-Ring
    1
    B
  • 500-701-126
    O-Ring
    1
    A
  • 525-006-121
    Backup Ring
    2
    C
  • 525-006-123
    Backup Ring
    1
    B
  • 525-006-126
    Backup Ring
    1
    A

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