NOK provides rubber vibration and sound isolators for automobiles and precision information devices. Original programs developed by NOK can be used to analyze and tune the products. NOK’s high-quality rubber vibration isolators with distinctive features are produced on the solid foundation of the technical expertise, vast experience and remarkable achievements of Freudenberg, the top rubber…
The phenolic molding materials marketed by NOK are high-quality molding materials manufactured by Otalite Co., Ltd. The materials are dust-free, easy to handle, and easy to work with. The molding materials have been developed by combining special technologies and have been supplied to customers in Japan and in many other countries.With great resistance to heat,…
General-purpose seal technology Seals are indispensable sealing devices used in automobiles, airplanes and other vehicles, construction machines, equipment at petrochemical plants, home appliances, and various other machines. NOK offers a wide variety of seal products of very high reliability, including oil seals, based on its constant and focused research on materials, workings, and design. MORE…
A segment seal is a gas seal primarily for use in the main shaft of an aircraft engine. Since it has high reliability, the segment seal is also used in rockets. The segment seal has been developed mainly for the main shaft of an aircraft engine, with technical support provided by Koppers Inc., U.S. This…
General-purpose seal technology Seals are indispensable sealing devices used in automobiles, airplanes and other vehicles, construction machines, equipment at petrochemical plants, home appliances, and various other machines. NOK offers a wide variety of seal products of very high reliability, including oil seals, based on its constant and focused research on materials, workings, and design. MORE…
Mechanical seals are end-face seals that use a pair of faces perpendicular to the rotating shaft (sliding surfaces) to seal. The sealing faces, smoothly finished with high accuracy, enable long-term maintenance-free usage. Mechanical seals manufactured by Eagle Industry Co., Ltd. are products achieving excellent performance and low running costs that feature highly accurately finished flat…
CategoryStandards For O-rings AN 6227 Packing “O” Ring Hydraulic AN 6230 Gasket “O” Ring Hydraulic ARP 568 O-Rings SAE J120 Rubber Rings for Automotive Applications SAE J515 Hydraulic O-Ring SAE J1453 Fitting – O-Ring DIN 3771 O-Ringe For oil seals BS 1399 Rotary Shaft Lip Seals DIN 3760 Radial Shaft Seal MIL-S-45005B Fluid, Radial, Sealing…
1. Trends in International Standards The International Organization for Standardization (ISO) has been promoting standardization with the aim of eliminating differences in standards between countries. International standards on seals in general are promoted by the Seal Devices (SC7) committee in Fluid power systems and components (ISO/TC 131) as shown in Table 1. 1.1 O-Rings Working…
Description Structure of oil seals and workings of each part The following figure and table show the structure of oil seals and workings of each part, respectively. Structure of oil seals and workings of each part Name Workings of each part Lip Lip tip The lip tip has a wedge-shaped cross section and the function…
An O ring is a type of gaskets with an O-shaped cross section, preventing leakage of fluids and dust. We offer a variety of rubber materials suitable for various use conditions. An O ring is a type of gaskets with an O-shaped (round) cross section, which is seated in a groove and compressed appropriately to…
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