1.Standard Material

Seal ring：Filled PTFE

O ring：NBR or FKM

2.Application range

Double lip scraper which is make of a seal and dust edge wearing ring and a pretighten o ring.

Suitable for severe dust , cold environment and high frequency reciprocation . Applied to reciprocated system, especially in low friction, high frequency and heavy loaded condition.

Mainly applied to hydraulic and pneumatic devices, servo systems, chemical and food machinery. Can be refer to when designing and applying.

3.Characteristic

1. excellent compatibility of hydraulic mediums.

2. excellent sliding performance

3. excellent effect of scraping residue oil films of the piston rod surface from inside

4.compensates to the distortion of pistons and plungers

5. stick-slip free starting, no sticking.

6.Used in heavy load condition.

7. excellent effect of scraping dirts from outside, even firmly bonded clay.