Rod Wipers
Rod Wipers
Rod wipers, also known as wiper seals or scrapers, are components used in hydraulic and pneumatic cylinders to remove dirt, debris, and other contaminants from the surface of the piston rod as it retracts into the cylinder. By doing so, they help protect the internal components of the cylinder and ensure the longevity and efficient operation of the sealing system.
Key Functions
Contaminant Removal
The primary function of rod wipers is to scrape off contaminants such as dirt, dust, mud, and moisture from the piston rod as it retracts into the cylinder. This prevents these contaminants from entering the cylinder and causing damage or wear to the internal components.
Seal Protection
By keeping contaminants out, rod wipers protect the internal seals, such as rod seals and piston seals, from abrasion and premature wear, thereby extending their service life.
System Efficiency
Clean piston rods ensure smooth operation of the cylinder and prevent potential disruptions caused by contaminants, maintaining overall system efficiency and performance.
Characteristics & Applications
Material
Rod wipers are typically made from materials like polyurethane, rubber, or PTFE (polytetrafluoroethylene). These materials are chosen for their durability, flexibility, and resistance to wear and tear.
Design
Rod wipers have a lip or edge designed to scrape the surface of the piston rod effectively. The design ensures that contaminants are removed without damaging the rod surface.
Durability
They are designed to withstand harsh operating conditions, including exposure to abrasive particles, extreme temperatures, and various fluids.
Flexibility
Rod wipers must be flexible enough to maintain contact with the rod surface even as the rod moves and flexes during operation.
Applications
- Industrial Machinery
- Construction Equipment
- Automotive Systems
When To Choose A Custom Seal
Custom-designed sealing solutions play a pivotal role in addressing the diverse and intricate sealing challenges across various industries. As an expert, you understand that off-the-shelf sealing products often fail to meet the unique demands posed by specific applications, operating conditions, and...
Products & Resources
R. E. Purvis & Associates, Inc. is a recognized Sealing Technology Center for Parker's EPS (Engineered Polymer Systems) Division. Parker's EPS Division is a premier manufacturer of hydraulic seals which offers many geometric sealing profiles along with a vast selection of material options.
