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.
Chemical and food industry, servo valve
Low friction, no-creep, fit for small space installation, anti-friction for more longer service time
UTECFLON , NBR, FKM