
Hydraulic Cylinder Piston Phenolic Back up Wear Ring
Model: DRT
Temperature: -60/+200℃
Speed: ≤3m/s
Pressure: -
Product Introduction
The company implements advanced management concepts, introduces advanced technology and talents, and manufactures high-quality rotary shaft seal, U Cup Seals ODI, hydraulic cylinder kzt seals. Our company has strong technical force, perfect management system, excellent production equipment and technology, complete testing means, and a complete set of quality assurance system. We make full use of the two resource advantages of technological innovation and industrial space, operate steadily, maintain the sustained and rapid development of the company and become the leader in the industry. We realize the diversification and customization of product performance, specifications, features and business strategies. Product quality is our pride, and building high-quality projects and providing satisfactory services for our customers are our working standards.
Description
The back up ring is plastic or rubber rings used to prevent the O-ring from entering the clearance gap. When high pressures are exerted on the O-ring, its soft rubber material can be forced into the clearance gap causing the O-ring to extrude. The hard back-up ring material will keep the O-ring material from flowing into the gap which will prevent premature failure. Our hydraulic back up ring is ideal material for back-up rings due to the compound’s high pressure and high temperature capabilities.
Back up ring seal is the most common anti-extrusion devices employed in dynamic and static sealing, designed to prevent the migration of sealing material into the extrusion gap under the system pressure. We offers a wide range of back-up ring geometries and materials to suit every seal type and application. They are open or closed shapes for snap assembly made of a broad range of compounds which are highly resistant to thermal or mechanical stress. Parker back-up rings help reduce costly downtime and ensure long-term functional reliability.
Material | PTFE, Nylon, POM etc. |
Color | Coffee, Yellow, Green, Black, White, etc. |
Speed | ≤3m/s |
Temperature | -60~+200℃ |
Pressure | - |
Medium | Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others |
Application | Excavators, Standard cylinders, Mobile hydraulics, Presses etc. |
Type of Cut | Angel cut, straight cut |
Feature
● Easy to install
● No stickiness
● Good performance in both lubrication and no lubrication
● The groove structure is simple
● Excellent performance of sliding
● Good dynamic and static sealing


The company has 5,000 square meters of professional production plants, 2000 square meters of constant temperature and humidity production workshop, dozens (sets) of advanced production equipment.
Own a professional and technical production team and sales service team.
The selection of raw materials are international first-line brand suppliers, In order to ensure product quality, we promise that don't add waste (recycled materials) in the material.


With advanced technology, high quality and stable products, perfect and meticulous service, we wholeheartedly manufacture Hydraulic Cylinder Piston Phenolic Back up Wear Ring that satisfy consumers. Adhering to the "people-oriented" talent management concept, the company has developed a standardized and unified, fair and reasonable, competitive staff salary system in the same industry in the region. Quality is the life of an enterprise, the display of the overall quality of an enterprise, and the embodiment of the comprehensive strength of an enterprise.
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