Model: 990031007
Series 1 - T-31A cavity, buna-N, cartridge seal kit
Cavity: T-31A
Model
990031007
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 ten years from date of purchase. This date will be printed on the kit packaging.
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.
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.
Technical Tips
Technical Information
What models can this kit be used with?
- DSCH Low side, 3-position, hot oil shuttle valve
- DSCL Direct-acting, low side, 3-position, shuttle valve
- DSCO Spring offset, 2-position, high side shuttle valve
- DSCS High side, 3-position, shuttle valve
- DSCX 3-way, 2-position, vent-to-shift diverter valve, normally closed
- DSCY 3-way, 2-position, vent-to-shift diverter valve, normally open
- FSAA High accuracy, closed center, flow divider-combiner valve
- FSAS High accuracy synchronizing, flow divider-combiner valve
- FSBA High accuracy, closed center, flow divider-combiner valve
- FSBD High accuracy flow divider valve
- FSBS High accuracy synchronizing, flow divider-combiner valve
- FSCA Closed center, flow divider-combiner valve
- FSCD Flow divider valve
- FSCH High capacity, closed center, flow divider-combiner valve
- FSCS Synchronizing, flow divider-combiner valve
- LHDA Bypass/restrictive, priority modulating element
- LHDT Normally open, bi-directional, modulating element
- XRCA All ports blocked cavity plug
- XROS Port 1 open to 2 and port 3 open to 4 cavity plug
- PartDescriptionQuantityView
- 500-001-014O-Ring2C,D
- 500-001-015O-Ring1B
- 500-002-017O-Ring1A
- 515-002-014Backup Ring4C,D
- 515-002-015Backup Ring2B
- 515-002-016Backup Ring1A
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