CH21 U-ring




Product
name
Product
name
Application Material Profile Standard Hardness
Shore A
Pressure - (max) bar Temperature °C Sliding Speed
(max m/sec)
Dimension Price Pressure
Rating
Rotary
Speed
pH
Range
Dimensions 
CH21 U-ring NBR
PU
FKM*
150
400
-
-30°C+105°C
-45°C+100°C
-15°C+200°C*
≤0.5 CH21 - DIMENSIONS

CH21 is a single-acting piston - rod seal and designed with symmetrical lips for use in both rod and piston applications.

PROFILE


PRODUCT ADVANTAGES
• Superior static and dynamic sealing effect
• 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 table below. 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.