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- Overview
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Piston seals are essential components in fluid power systems, providing effective sealing between the piston and cylinder bore. They are specifically designed to prevent fluid bypass in both single- and double-acting cylinders, ensuring consistent pressure build-up and controlled motion during the stroke.
Functional Design
· Dynamic Sealing: Operates under reciprocating motion, maintaining pressure within the cylinder chamber
· Multiple Profiles: Available in single-acting or double-acting configurations
· Balanced Contact Pressure: Designed to minimize wear and optimize sealing performance across varying loads
Material Options
· Polyurethane (PU): Offers good resistance to abrasion and extrusion
· NBR with Fabric Reinforcement: Suitable for moderate pressure and stable performance
· PTFE-based Compounds: For high-speed applications or chemically aggressive media
Common Applications
· Mobile and industrial hydraulic cylinders
· Pneumatic cylinders in automation systems
· Machine tools and forming equipment
· Agricultural and construction machinery
NQKSF Piston Seals Performance Highlights
· Supports efficient pressure retention throughout the stroke
· Compatible with various hydraulic media
· Designed for low leakage and long service intervals
· Manufactured in a wide range of standard and custom sizes
Piston seals are typically installed in closed grooves and work in combination with guide rings or wear rings to ensure alignment and reduce lateral movement.
