Vibration and Sound Isolators | Vibration and Sound Isolators | Our Products | NOK CORPORATION

Vibration and Sound Isolators | Vibration and Sound Isolators | Our Products | NOK CORPORATION

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…

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Phenolic Molding Materials | Industrial Rubber and Resin Products | Our Products | NOK CORPORATION

Phenolic Molding Materials | Industrial Rubber and Resin Products | Our Products | NOK CORPORATION

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,…

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Industrial organic chemicals “CHEMINOX” | Industrial Rubber and Resin Products | Our Products | NOK CORPORATION

Industrial organic chemicals “CHEMINOX” | Industrial Rubber and Resin Products | Our Products | NOK CORPORATION

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…

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Lip seals |Seal products |Products | NOK CORPORATION

Lip seals |Seal products |Products | NOK CORPORATION

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…

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Mechanical seals | Seal products | Products | NOK Corporation

Mechanical seals | Seal products | Products | NOK Corporation

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…

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Table 5 Major International Standards for Seals | Trends of standardization of seals | General-purpose seal technology | Technologies | NOK CORPORATION

Table 5 Major International Standards for Seals | Trends of standardization of seals | General-purpose seal technology | Technologies | NOK CORPORATION

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…

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Trends of standardization of seals | General-purpose seal technology | Technologies | NOK CORPORATION

Trends of standardization of seals | General-purpose seal technology | Technologies | NOK CORPORATION

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…

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