Kōzan ring, Kōzan gasket, vacuum gasket
Sakura Seal, Kouzan Ring, Kouzan Gasket, Vacuum Gasket
We also offer various types of gaskets such as flat, angled, and round in various materials and dimensions.
Currently, the standard only includes O-rings, but in the old JIS B 2290, there were specifications for gaskets with square and rounded shapes for vacuum flanges, which are still in use today. Sakura Seal Co., Ltd. continues to manufacture each shape, and especially for larger diameters, they can be produced to any specified dimensions.
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basic information
This is a gasket designed to be mounted in the groove of a JIS B2290 vacuum flange. The current standard specifies only O-rings, but square, round, and generally widely used convex types that were defined in the old standard are still in use today.
Price information
Prices may vary depending on the material, dimensions, and quantity, so please feel free to contact us.
Delivery Time
P4
※Delivery times may vary depending on the material, dimensions, and quantity, so please feel free to contact us.
Applications/Examples of results
It is mainly suitable for structures where the mechanical force to crush the gasket is weak and is pressed against atmospheric pressure.
catalog（1）
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Company information
Sakura Seal Co., Ltd. is a seal product manufacturer that specializes in the production and sale of various sealing products, primarily O-rings, oil seals, and gaskets. We are particularly skilled in molded products made from fluororubber, and we offer a wide range of high-performance materials with special properties, including not only general-purpose FKM materials but also FFKM materials. With our deep knowledge of various sealing products, we maintain a stock of over 20,000 types, even within Tokyo, and strive to remain an organization that provides high convenience for industries and society.
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