
Polyurethane PU U-Type Un Idi Iuh Uns Uhs Hydraulic Cylinder Seal Ring
Model: IDI/ISI
Temperature: -30/+100℃
Speed: 0.03-1m/s
Pressure: ≤40MPa
Product Introduction
Each of our Double Lip PTFE Oil Seals, nylon back up ring, piston spring energized seals is the bearer of high quality raw materials, experience and creativity. Our innovative consciousness and global vision have continuously injected vitality into the long-term development of the company. We actively recruit a large number of technical personnel, introducing advanced production equipment, and continuously optimizing product performance. We strive to build a safe, standardized, affluent and civilized enterprise. The company regards talents as the foundation of entrepreneurial competition, and strives to help employees realize their self-worth and establish a perfect life.
Description
Rod u cup seals consists of a non symmetrical design where the diameter of the cup is oversized for the groove diameter.
IDI/ISI is u cup hydraulic seals, single acting rod seal for cylinders and other heavy duty applications. Useful in low and high pressure applications.
IDI seals and ISI Seals have a short internal seal lip.It is the most critical seal on any type of fluid power plant, preventing fluid from leaking out of the cylinder to the outside.
In addition, leakage through the IDI/ISI rod seal can reduce equipment performance. And in extreme cases it can also cause environmental problems, so choosing the right rod seal type and design to meet your specific application is critical.
Material | PU |
Color | Red, Blue or Ivory |
Speed | 0.03-1m/s |
Temperature | -30 to 100℃ |
Pressure | IDI ≤70MPa ISI ≤40MPa |
Medium | Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others |
Application | Mobile hydraulics, Standard cylinders, Machine tools, Injection moulding machines, Presses etc. |
Standard or can fit the groove | Comply with standard of NOK’s IDI and ISI series. |

Feature
● Excellent wear resistance
● Prevent internal pressure generation in the seal
● High pressure resistance
● Suitable for demanding working conditions
● Low permanent compression deformation
● Strong resistance to extrusion


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.


Our technical support can start from the product design of the Polyurethane PU U-Type Un Idi Iuh Uns Uhs Hydraulic Cylinder Seal Ring and continue to the after-sale quality feedback of the final product. It is urgent to adjust the industrial structure, and it has become an important part of accelerating the transformation of the mode of economic development. We provide basic protection for our employees and a platform for training and entrepreneurship.
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