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Catalog

T-Lon Solutions


TRRI Series Rotary Rod Seal

The TRRI rotary rod seal is a proven reliable seal for both low and high pressure systems. It is a double-acting filled T-LON® PTFE compound with an o-ring elastomer energizer offering premium sealability in slow rotating or oscillating applications. The filled PTFE seal ring is manufactured with an interference fit with the rod and optimum compression with the o-ring energizer. This offers excellent sealability at low pressures and high pressures when the housing cylinder experiences ballooning.

Face Grooves (Optional):

For applications of high pressure rise rates, pressure spikes, and rapid change of direction, the seal is apt to experience blow-by. To prevent blow-by and to energize the seal rapidly, face grooves are added to both sides of the seal.

Preventing O-ring Slippage:

The TRRI PTFE rings come standard with “T-Notches” on the surface in contact with the o-ring. This helps resist slip between the PTFE sealing ring and the elastomer o-ring. Consult T-LON for other available proven options to resist slip.

Applications:

  • Spindles
  • Hydraulic Swivel Couplings
  • Hose Reels
  • Manipulators
  • Tricone and Single Roller Cone Earth Drilling Rotary Bits
  • Horizontal Directional Drilling Reamers

Technical Data:

(1) T-LON® seal compound determines allowable pressure and velocity ranges

  • Surface Speed: Up to 3 ft/s
  • Pressure: Up to 5800 psi

(Function of e-gap and T-LON® compound. Max velocity and pressure cannot be used together)

Most Common:

CARBON FIBER T-SMART® (“18”)

  • Use with pressures up to 5800psi***
  • Great sliding properties with very high extrusion resistance

GLASS/MoS2 PTFE (“31”)

  • Use with pressures up to 4350psi***
  • Great sliding properties with moderate extrusion resistance
  • Low cost compound with proven application success

(2) Loader compound determines temperature and chemical compatibility

Most Common:

NBR SHORE 70 A (“P”)

  • Working Temp. Range -30°F to 230°F (250°F intermittent)
  • Commonly used with greases, aliphatic hydrocarbon mineral and vegetable oils, and various hydraulic fluids

FKM SHORE 75 A (“V”)

  • Working Temp. Range 0°F to 400°F
  • Excellent resistance to ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, and many organic solvents and chemicals.
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Contact T-Lon 888.340.TLON