This is a formed bellows for vacuum piping, equipped with JIS standard vacuum flanges.
The "CEV-10000" is a molded bellows for vacuum piping handled by Chuo Nikkiken Co., Ltd. It is a product with JIS standard vacuum flanges (VG/VF) attached to flexible bellows for vacuum use. It can be used for dimensional adjustments in vacuum piping, absorbing errors, and vibration absorption. 【Features】 ■ Flexible bellows with a low spring constant ■ Manufacturing diameter: 20A to 300A ■ Please specify the total length (L) for production. ■ It is a product with a long repeated 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. ■ Custom types may have changes in the dimensions of the bellows. 【Application Fields】 ■ Semiconductors, LCDs, petrochemicals, construction, food, etc. *For more details, please refer to the PDF materials or feel free to contact us.
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basic information
【Standard Specifications】 ■Internal ・Vacuum ■External ・Atmosphere ■Leak Test ・He gas leak 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 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 being a handmade flexible manufacturer that can meet all needs, we always take the customer's perspective and strive to create products that match their wishes. Founded in 1980, we realize 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 applications and consultations for special specifications. 'Chunichi's Flex' - please give it a try!