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  • Hydraulic PU Piston Rod Oil Seal for Cylinders - hydraulic cylinder seal piston rod oil seal polyurethane pu seal - Buy Online at MAX HYDRAULICS

Hydraulic PU Piston Rod Oil Seal for Cylinders

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This hydraulic cylinder seal piston rod oil seal polyurethane PU seal is engineered for reliable sealing performance in heavy-duty hydraulic applications and harsh environments. Made from high-quality PU, it offers excellent wear resistance, resilience and oil compatibility, reducing leakage and extending service life. Ideal for industrial machinery, construction equipment, agricultural implements and automotive hydraulics, it helps maintain system efficiency and prevents contamination of internal components. Suitable for OEM use or as a replacement part, it can be matched to various cylinder sizes and specifications with ease. Available from our trusted supplier at 79 GANGAI STREET NEDUNCHALAI NAGAR SURAMANGALAM SALEM, it supports both single-piece and bulk requirements. Choose this seal to minimise downtime and maintenance costs effectively.

High-quality polyurethane ensures superior wear resistance
Provides reliable leak-free hydraulic sealing performance
Resists oil, grease and common hydraulic fluids
Extends cylinder life and reduces maintenance downtime
Suitable for industrial, automotive and machinery applications
Maintains seal elasticity under high pressure conditions

Ensure the hydraulic system is depressurised and clean before starting. Remove the old piston rod oil seal carefully without scratching the rod or gland. Clean the groove and sealing surfaces thoroughly. Lightly lubricate the new polyurethane PU seal with compatible oil. Install using proper seal tools, avoiding twisting or damage. Reassemble the cylinder, pressurise gradually and check for leaks during initial operation.

A hydraulic cylinder piston rod oil seal is a precision sealing component fitted around the piston rod to prevent hydraulic oil leakage and block external contaminants from entering the cylinder. This polyurethane PU seal maintains pressure, improves efficiency and protects internal components, extending the service life of your hydraulic system.

A polyurethane PU seal is preferred for hydraulic cylinder seal piston rod oil seal applications because it offers excellent abrasion resistance, high tensile strength and good elasticity. PU seals handle dynamic motion, pressure spikes and contaminated environments better than many rubber compounds, delivering longer service life and reduced maintenance costs.

To select the correct hydraulic cylinder seal piston rod oil seal polyurethane PU seal, measure the rod diameter, groove diameter and groove width accurately using calipers. Match these dimensions with the seal specification chart from your supplier. Also consider operating pressure, temperature, fluid type and application speed to ensure proper compatibility.

You can replace a hydraulic piston rod oil seal yourself if you have basic mechanical skills and the right tools. Depressurise the system, disassemble the cylinder carefully and avoid scratching sealing surfaces. Always install the new polyurethane PU seal correctly oriented. If unsure, consult a professional technician or service centre.

The service life of a hydraulic cylinder seal piston rod oil seal polyurethane PU seal depends on operating pressure, temperature, contamination and alignment. In well-maintained systems, PU seals can last several years of regular use. Regular oil filtration, correct installation and avoiding rod misalignment significantly extend seal life and reduce unexpected failures.
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