Guide rings | FT piston guide rings

 
FT piston guide rings
  FT WEAR RINGS Polyester resin and fabric wear rings. For high loads. Available in a wide dimensional range. Installation in the same housing as for Neuflon-ptfe compound band and FR rings.
S
Thickness
F
groove diameter
L
groove width
G
piston-cylinder clearence
  j8 - h8 H11 max S x 0.4
 2.5 A - 5 6.3 max S x 0.4
according with the seal adopted
 2.5 8.1
2.5 9.7
2.5 15
2.5 20
2.5 25
2.5 30
2.5 40
4.0 A - 8 25
CHARACTERISTIC SPECIFICATION UNIT VALUE
Color     blue
SPECIFIC LOAD  Qs  T<100°C   N.mm-2 75
Compression resistance D695-54 N.mm-2 340
Hardness D2240-74 Rockwell M 100
Friction coefficient     0.2
Max. Speed   m/sec 1
Thermal expansion coefficient D696-70 10-6 / °C 20
Continual operational Temperature   °C 130
Peak Temperature   °C 150
Flammability D635-68   self extinguisching