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Model: 990302006
Series 2 - T-2A cavity, Viton, cartridge seal kit
Cavity: T-2A
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 twenty years from date of purchase. This date will be printed on the kit packaging.
What models can this kit be used with?
- CAEA 3:1 pilot ratio, vented counterbalance valve - atmospherically referenced
- CAEG 5:1 pilot ratio, vented counterbalance valve - atmospherically referenced
- CAEK 1:1 pilot ratio, vented counterbalance valve - atmospherically referenced
- CAEL 2:1 pilot ratio, vented counterbalance valve - atmospherically referenced
- Install back-up rings and O-rings as shown in views.
- See installation variations for models associated with alternative installation 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.
- During 1985, SUN made a running change of all external seals on Series 2 cartridges (1-1/8 in. (28,6 mm) hex, 1-14 thd). The seals were changed from 3/32 in. (2,62 mm) c/s to 1/16 in (1,7/8 mm) c/s o-rings and backup rings.
Technical Tips
Technical Information
- PartDescriptionQuantityView
- 500-101-018O-Ring1D
- 500-101-021O-Ring2A,B
- 500-102-020O-Ring1C
- 515-102-018Backup Ring2D
- 515-102-020Backup Ring1C
- 515-102-021Backup Ring1B