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Model: 990511007
Buna-N seal kit
Cavity: T-11A
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 ten years from date of purchase. This date will be printed on the kit packaging.
- Cartridge ThreadM20
- Installation Torque30 - 35 lbf ft
- Valve Hex Size7/8 in.
What models can this kit be used with?
- PRDF Electro-proportional, direct-acting, pressure reducing/relieving valve with open transition (740 Series)
- PRDG Electro-proportional, direct-acting, pressure reducing/relieving valve (740 Series)
- PRDL Electro-proportional, direct-acting, pressure reducing/relieving valve with open transition
- PRDM Electro-proportional, direct-acting, pressure reducing/relieving valve with open transition - high pressure setting with no command
- PRDN Electro-proportional, direct-acting, pressure reducing/relieving valve, high pressure setting with no command
- PRDP Electro-proportional, direct-acting, pressure reducing/relieving valve
- 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.
Technical Tips
Technical Information
- PartDescriptionQuantityView
- 500-002-015O-Ring1D
- 500-002-017O-Ring2B,C
- 500-101-116O-Ring1A
- 515-002-015Backup Ring1D
- 515-002-016Backup Ring1C
- 515-002-017Backup Ring1B
- 999-511-007Literature1