Guide rings | FR rod guide rings

 
FR rod guide rings
 

Heavy duty conditions. Installed in the same housing as for FT and Neuflon-ptfe tape

S
Thickness
F
Groove diameter
L
Groove width
G
Rod-Box clearence
  J8 - H8 H11 max S x 0.4
2.5 D + 5 6.3 depends from the seal adopted
max S x 0.4
2.5 8.1
2.5 9.7
2.5 15
2.5 20
2.5 25
2.5 30
CHARACTERISTIC SPECIFICATION UNIT VALUE
Color     brown-yellow
SPECIFIC LOAD  Qs   T<100°C   N.mm-2 50
Compression resistance D695-54 N.mm-2 150
Compression modulus D695-54 N.mm-2 6000
Hardness D2240-74 Rockwell F 60
Friction coefficient     0.25
Max. Speed   m/sec 1
Thermal expansion coefficient D696-70 10-6¨°C-1 20
Continual operational Temperature   °C 120
Peak temperature   °C 150
Flammability D635-68   self extinguisching