 |
 |
|
|
 FR-062 WEAR RINGS |
 |
FR WEAR RINGS
- Heavy duty conditions
Installed in the same housing as for Neuflon-ptfe tape
housing for lodging:
- PISTON guide rings
- ROD guide rings
|
|
| CHARACTERISTIC |
SPECIFICATION |
UNIT |
VALUE |
| Color |
|
|
brown-yellow |
| SPECIFIC LOAD Qs |
|
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 |
| COMPARISION OF THE LOAD CAPACITY OF GUIDE RINGS IN FT-100 FR-062 N-031 |
Cylinder bore D = 100
Guide ring width L = 9,7
Guide ring 95 x 100 x 9,7
Load capacity in Kg = D x 0.05 x L x Qs |
Max.specific load Qs (N/mm2)
FT-100 = 75
FR-062 = 50
N-071 = 2,5 |
Load capacity Kg
3637
2425
121
|
|
| Up to the diameter 200 mm FR Wear Rings are produced from turned tubes, larger diameters are supplied from pre formed calibrated tape. |
PISTON GUIDE 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 |
choice depends on
the seal adopted |
| 2.5 |
8.1 |
| 2.5 |
9.7 |
| 2.5 |
15 |
| 2.5 |
20 |
| 2.5 |
25 |
| 2.5 |
30 |
ROD GUIDE RINGS
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 |
dipends from the seal |
| 2.5 |
8.1 |
| 2.5 |
9.7 |
| 2.5 |
15 |
| 2.5 |
20 |
| 2.5 |
25 |
| 2.5 |
30 |
| PRODUCT CODE |
|
FR guide rings are codified in accordance with the dimensions of the groove
|
Example:
FR piston guide ring
Cylinder bore 120
Groove width 9,7 radial thickness 2,5
FR 115 x 120 x 9,7
|
Example:
FR rod guide ring
Rod diameter 80
Groove width 9,7 radial thickness 2,5
FR 80 x 85 x 20
|
|
|
Enerseals energized seals
Rotary seals
Composite seals
Polyurethane Rubber and Ptfe Seals
Wipers
Expanders for energized seals
Lubricants for seals
Ptfe coatings 
Parker - Pradifa seals