This is a formed bellows for vacuum piping, equipped with an NW (KF) flange.
The "CEV-20000" is a molded bellows for vacuum piping handled by Chuo Giken Kogyo Co., Ltd. It is a product with an NW (KF) flange attached to a flexible bellows for vacuum use. 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: NW16 to NW100 ■ Please specify the total length (L) during ordering. ■ It is a product with a long repeated durability lifespan. ■ A nominal diameter of NW-10 can also be manufactured. ■ Nominal diameters of NW-125 and above can also be manufactured. 【Application Fields】 ■ Semiconductor, LCD, petrochemical, 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 rate below 1.0x10⁻⁹ Pa･m³/sec ■Flange Standard ・NW (KF) flange ■Material ・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 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!