Serie 2 - cavidad T-2A, EPDM, cartucho juego de sellos

990202014 : Serie 2 - cavidad T-2A, EPDM, cartucho juego de sellos
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.

  • EPDM seals have no limited shelf life.
  • EPDM seals are purple in color for easy stock and field identification.
Technical Data [ + ]
Series 2
Cartridge Thread 1"-14 UNS1"-14 UNS
Valve Hex Size 1 1/8 in.28,6 mm
Valve Installation Torque 45 - 50 lbf ft61 - 68 Nm
cavidad T-2A
Used With [ + ]

What models can this kit be used with?

  • CBEA Proporción de pilotaje 3:1 , capacidad estándar contrabalance válvula
  • CBEB Proporción de pilotaje 1.5:1 , capacidad estándar contrabalance válvula
  • CBEG Proporción de pilotaje 4.5:1 , capacidad estándar contrabalance válvula
  • CKEB Anti-retorno con pilotaje para abrir válvula con piloto estándar
  • COFA Pilotaje para cerrar anti-retorno válvula
  • FRDA Fixed-orifice, desvió /restrictivo, prioritario, control de caudal válvula
  • LKFC Pilotaje para abrir, spring-biased closed, disco desequilibrado elemento lógico
  • LKFCZ Pilotaje para abrir, spring-biased closed, disco desequilibrado elemento lógico con indicador de posición
  • LOFD Ventear-para-abrir, spring-biased closed, disco desequilibrado elemento lógico con fuente de pilotaje del puerto 1 o 2
  • LOFD8 Ventear-para-abrir, spring-biased closed, disco desequilibrado elemento lógico con fuente de pilotaje del puerto 1 o 2 y cavidad de control T-8A integral
  • PBFB Pilot-operated, reductor de presión válvula
  • PBFB8 Pilot-operated, reductor de presión módulo principal con cavidad de control T-8A integral
  • PBFF Pilot-operated, reductor de presión válvula con orificio de pistón barrenado
  • PBFF8 Pilot-operated, reductor de presión módulo principal con orificio de pistón barrenado y cavidad de control T-8A integral
  • PPFB Pilot-operated, reductor/alivio de presión válvula
  • PPFB8 Pilot-operated, reductor/alivio de presión módulo principal con cavidad de control T-8A integral
  • PRFR Acción-directa , reductor de presión válvula
  • RSFC Pilot-operated, pistón balanceado secuencia válvula
  • RVEA De venteo, pilot-operated, pistón balanceado alivio válvula
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.
  • 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.
  • Use the kit which contains the same size (c/s) seals as those used on the cartridge being repaired. Do not change cartridge o-ring c/s sizes.
  • Cartridges with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
Additional Resources [ + ]