Series 0 - T-163A cavity, Viton cartridge seal kit

990163006 : Series 0 - T-163A 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.
Cartridge Installation Data [ + ]
Series 0
Cartridge Thread M16M16
Valve Hex Size 3/4 in.19,1 mm
Valve Installation Torque 20 - 25 lbf ft27 - 33 Nm
Cavity T-163A
Used With [ + ]

What models can this kit be used with?

  • CKBB Pilot-to-open check valve with standard pilot
  • CKBD Pilot-to-open check valve with sealed pilot
  • CKBG Flush mount pilot-to-open check valve with sealed pilot
  • COBA Pilot-to-close check valve
  • COBG Pilot-to-close check valve
  • CSAX Single ball shuttle valve with signal at port 3
  • CSAZ Single ball shuttle valve with signal at port 2
  • FRBA Fixed-orifice, bypass/restrictive, priority, flow control valve
  • LPBA Normally open, modulating element with pilot source from port 1
  • LPBC Normally open, modulating element
  • LRBA Normally closed, modulating element with pilot source from port 1
  • LRBC Normally closed, modulating element
  • PBBB Pilot-operated, pressure reducing valve
  • PPBB Pilot-operated, pressure reducing/relieving valve
  • PRBB Direct-acting, pressure reducing/relieving valve
  • PRBC Direct-acting, pressure reducing/relieving valve with open transition
  • PRBR Direct-acting, pressure reducing valve
  • RSBC Pilot-operated, balanced piston sequence valve
  • RVBA Ventable, pilot-operated, balanced piston relief valve
  • RVBB Normally closed modulating element valve with relief function
  • SQBB Kick-down, pilot-operated, balanced piston sequence valve
  • XZAA Port 2 to 3 open, port 1 blocked cavity plug
  • XZBA Port 1 to 3 open, port 2 blocked cavity plug
  • XZCB All ports blocked cavity plug
  • XZOB Port 1 to 2 open, port 3 blocked cavity plug
  • XZOD All ports open cavity plug
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 [ + ]