DESCRIPTION
The BRS style buffer ring is molded in Bronze filled PTFE with a rubber energizer for use in heavy duty service to protect the primary seal from damage caused by pressure spikes and excessive heat build up.
The shell is molded in Bronze filled PTFE, ensuring seal quality in high pressure and heat applications.
SEAL INFORMATION
Material Type (Primary Seal): 40% BRONZE-FILLED PTFE
Material Type (Energizer): 70A NITRILE
Durometer (Shore D): 63
Temperature Range (F): -35 TO 265
Extrusion Gap at Various Pressures for 3-Series O-ring sizes (in):
- 1,000 PSI: 0.030
- 3,000 PSI: 0.024
- 5,000 PSI: 0.018
- 7,500 PSI: 0.008
- 10,000 PSI: 0.004
Extrusion Gap at Various Pressures for 4-Series O-ring sizes (in):
- 1,000 PSI: 0.040
- 3,000 PSI: 0.030
- 5,000 PSI: 0.024
- 5,000 PSI: 0.024
- 7,500 PSI: 0.012
- 10,000 PSI: 0.006
Max Speed (ft/sec): 3.0
Mating Surface Roughness - Ra (µin) - DYNAMIC: 4<>16
Mating Surface Roughness - Ra (µin) - STATIC: 63 MAX
Part Number Definition (Inch): BRS-(ROD DIAMETER)(O-RING SERIES ENERGIZER)
Additional Part Number Definition (Inch): 3" ID X 3-SERIES ENERGIZER = BRS-30003