1. Standard material

Sealing ring: polyurethane PU

2. Scope of application

It can be used in various occasions where the performance of ordinary rubber or fabric reinforced rubber does not meet the requirements. It is mainly used for the sealing of pistons and plungers in heavy-duty walking machinery or industrial hydraulics. The grooves and diameter dimensions meet the requirements of ISO5597/1 and ISO3320 international standards, respectively.

The design can refer to the PUA series of Trelleborg, the B7 series of Parker, and the D-1 series of DZ.

3. Characteristics and advantages

1. Easy to install;

2. Low permanent compression deformation;

3. Suitable for harsh working conditions;

4. High extrusion resistance;

5. Excellent wear resistance;

6. Insensitive to shock loads and pressure peaks.