
High Performance Poluurethane Oil Seal Nok PU Seal
Model: IDI/ISI
Temperature: -30/+100℃
Speed: 0.03-1m/s
Pressure: ≤40MPa
Product Introduction
The company is a domestic rotary shaft oil seals, energized seal ring, u cup piston seals manufacturer with intellectual property rights that focuses on independent research and development, and is supplemented by learning from foreign technology and experience. In recent years, the company has continued to introduce processing equipment and conduct school-enterprise alliances with multiple colleges and universities at the same time. We resist doing things independently, shirk each other, only looking for reasons, not reasons. We adhere to a people-oriented, research-based, factual working style and an ethical concept of integrity. We have introduced new development strategies and insisted that we should actively explore new market spaces and seek competitive advantages in new business areas.
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.


We actively understand our customers' needs and provide specialized High Performance Poluurethane Oil Seal Nok PU Seal sales services. We continue to research and development and new technology applications, strict quality concept throughout the product design and production process. Our company follows the market-oriented and customer-centric strategy adhering the policy of 'integrity as the foundation, quality for survival' wholeheartedly to provide customers with good products and services.
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