Series 3 - T-53A cavity, Viton cartridge seal kit

990053006 : Series 3 - T-53A cavity, Viton cartridge seal kit
Technical Features [ + ]

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.
Technical Data [ + ]
Series 3
Installation Torque 150 - 160 lbf ft203 - 217 Nm
Cartridge Thread M36M36
Valve Hex Size 1 1/4 in.31,8 mm
Cavity T-53A
Used With [ + ]

What models can this kit be used with?

  • DDFC 4-way, 3-position, pilot-to-shift directional valve
  • DDFG 3-way, 2-position, pilot-to-shift, directional valve
  • FTEA 2-way, pilot-shifted, dual path, proportional throttle
  • FTEAZ 2-way, pilot-shifted, dual path, proportional throttle with position switch
  • FTEC 4-way, 3-position, meter in proportional directional valve
  • FTEH
    3-way, 3-position, proportional directional valve with center bleed down
  • FTEK
    3-way, 3-position, proportional directional valve with center bleed down and load sense
  • FTFA 2-way, pilot-shifted, dual path, proportional throttle
  • FTFAZ 2-way, pilot-shifted, dual path, proportional throttle with position switch
  • FTFC 4-way, 3-position, meter in proportional directional valve
Notes [ + ]
  • 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.
Additional Resources [ + ]