10177780-Pneumatic-Actuator-Assembly-Normally-Closed-Wiper-Seal.981.3-1
English Translation of Title:
Pneumatic Actuator Assembly – Normally Closed Wiper Seal for Water Jet Cutting Machine Parts, Model No. 10177780-Pneumatic-Actuator-Assembly-Normally-Closed-Wiper-Seal.981.3-1
Introduction, Application, Features, and Maintenance:
This component is a pneumatic actuator assembly featuring an integrated normally closed wiper seal, designed for water jet cutting systems. It combines a pneumatic cylinder mechanism with a wiper seal that cleans the piston rod during retraction and maintains a closed, sealed position when air pressure is removed, ensuring fail‑safe sealing and protection against contamination.
Application:
Used in pneumatic actuation systems within water jet cutting machines to provide linear motion while preventing contaminants (such as abrasive dust, water, or slurry) from entering the cylinder. Typical installations include valve actuators, clamping devices, cutting head positioning, and protective cover mechanisms where rod cleanliness and fail‑safe sealing are required.
Features:
Normally closed design ensures the actuator returns to a sealed, closed position upon loss of air supply (fail‑safe).
Integrated wiper seal cleans the piston rod during each stroke, removing abrasive particles and moisture.
Protects internal cylinder components from contamination, extending service life.
Manufactured from durable, corrosion‑ and wear‑resistant materials suitable for harsh water jet environments.
Provides reliable linear force and sealing performance under repeated cycling.
Compact assembly simplifies installation and maintenance.
Maintenance:
Regularly inspect the wiper seal and piston rod for signs of wear, scoring, cracking, or contamination buildup.
Check for air leaks at fittings and around the rod seal during operation.
Verify smooth piston movement; sticking or binding may indicate wiper seal damage or rod contamination.
Clean the piston rod surface periodically to prevent abrasive particle accumulation.
Replace the wiper seal or the entire assembly if leakage, reduced performance, or rod scoring is observed.
Use clean, dry, and lubricated air as recommended to extend seal and cylinder life.
Follow the manufacturer’s recommended maintenance intervals for seal replacement.










