Single-acting hydraulic and pneumatic PTFE wiper, with 2 pieces of O-ring . Wiping edge assures a reliable protection against penetration of dust and dirt. Additional sealing lip for reduction of residual oil film if used in combination with step seal。Excellent chemical and thermal resistance. 

Application:

Chemical and food industry, servo valve

Advantage：

Low friction, no-creep, fit for small space installation, anti-friction for more longer service time

Material：

UTECFLON , NBR, FKM