This is a formed bellows for vacuum piping, equipped with a JIS standard vacuum flange.
The "CEV-10000" is a molded bellows for vacuum piping handled by Chuo Nikkiken Co., Ltd. It is a product with a flexible bellows for vacuum use that comes with JIS standard vacuum flanges (VG/VF). It can be used for dimensional adjustments in vacuum piping, error absorption, and vibration absorption. 【Features】 ■ Flexible bellows with a small spring constant ■ Manufacturing diameters: 20A to 300A ■ Please specify the total length (L) for production. ■ It is a product with a long repetitive durability lifespan. ■ VG-VG type and VF-VF type can also be manufactured. ■ Diameters of 350A and above can also be produced. ■ Rotating type (loose type) flanges can also be manufactured. ■ For custom types, the dimensions of the bellows may change. 【Application Fields】 ■ Semiconductors, LCDs, petrochemicals, construction, food, etc. *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Standard Specifications】 ■Internal ・Vacuum ■External ・Atmosphere ■Leak Test ・He gas leak rate below 1.0x10⁻⁹ Pa･m³/sec ■Flange Standards ・JIS Vacuum Flange (VG･VF) ■Materials ・Bellows: SUS304, SUS316L ・Flange: SUS304, SUS316, SUS316L *Material changes are possible, so please consult with us. ■For the spring constant of the bellows, please inquire. ■The thickness of the bellows can be changed, so please inquire. *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
Vacuum piping
Line up（6）
| Model number | overview |
|---|---|
| CEV-10000 | Formed bellows with JIS vacuum flange |
| CEV-20000 | Formed bellows with NW-KF flange |
| CEV-30000 | Pipe end type formed bellows |
| CEV-40000 | Formed bellows with ICF flange |
| CEV-50000 | Formed bellows with ISO MF flange |
| CEV-60000 | Formed bellows with ISO BT flange |
Company information
With the motto of 'a handmade flexible maker that can meet all needs,' we always strive to create products that match our customers' wishes. Founded in 1980, we have realized productivity improvements through our unique production management system. Our sales department is adjacent to the manufacturing plant, allowing us to respond quickly to product selection based on application and inquiries about special specifications. Please give 'Chunichi's Flex' a try!