Hydraulic Piston - Rod Sealing Elements / K21
K21 is a single acting piston - rod seal and designed to have symmetrical lips in order to be used both for rod and piston applications.
PRODUCT ADVANTAGES
• Superior static and dynamic sealing eff ect
• Wide range of dimensions
• Easy assembly into closed grooves
• Simple groove design
• Economical sealing solution
APPLICATION
Construction machinery , fork-lift trucks , injection moulding machines , agricultural machinery , loading platforms and standard cylinders.
INSTALLATION
Easily assembled into closed grooves according to the minimum diameter values that are given in the below table. Open grooves or special assembly tools should be used for the values that are outside this table. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the wiper must be oiled with system oil.
|
|
| NBR |
90 SHORE A |
NB9001 |
| PU |
92 SHORE A |
PU9201 |
|
| OPERATING CONDITIONS |
| NBR |
| MEDIA |
Mineral oils(DIN 51524) |
HFA and HFB |
HFC |
| TEMPERATURE |
-30°C +105°C |
+5°C +60°C |
-30°C +60°C |
| PRESSURE |
≤150 Bar |
≤150 Bar |
≤150 Bar |
| SPEED |
≤0.5 m/sn |
≤0.5 m/sn |
≤0.5 m/sn |
| PU |
| MEDIA |
Mineral oils(DIN 51524) |
HFA and HFB |
HFC |
| TEMPERATURE |
-30°C +100°C |
+5°C +50°C |
-30°C +40°C |
| PRESSURE |
≤400 Bar |
≤400 Bar |
≤400 Bar |
| SPEED |
≤0.5 m/sn |
≤0.5 m/sn |
≤0.5 m/sn |
