UHV Bell Chamber
Email: sales@vacgen.com
- Accept payments online
- Minimum Order £100
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- Extensive support
Our chambers can be custom designed, ensuring they are tailored to your individual needs for your specific applications. Our extensive history in chamber manufacturing guarantees we can provide you with the right support and technical services from the moment you request a quotation to the day you recieve your chamber.
Chamber Material Details:
We can offer the Lollipop Hemisphere Chamber in two different materials:
| Lollipop Hemisphere Chamber Material | |
| Material Type | Description |
| Nicked Based Super Alloy (NiFe) | A soft ferromagnetic metal with a very high permeability |
| Stainless Steel | 304L or 316L available as standard body and tube material |
Chamber Body Details:
The following chambers are formed from standard skeletons;
| Lollipop Hemisphere Body Details | ||||||
| Chamber Type | Chamber Material | Flange OD | Bottom Port | Top Port | Maximum Body Length | |
| Bell Chamber | Stainless Steel | 305 mm | ||||
| Bell Chamber | NiFe (Mu Metal) | 305 mm | ||||
Chamber Port Details:
Specifications for standard port sizes and focal point tolerance
| Standard Port Sizes | ||||
| Flange | VG Flange Part Number | Flange OD | Bolt Hole PCD | Number of Bolt Holes |
| DN19CF | CF34-19 | 34.10mm | 27.00mm | 6 |
| CF70-44 | 69.90mm | 58.70mm | 6 | |
| DN70CF | CF114-70 | 113.50mm | 92.20mm | 8 |
| DN100CF | CF152-108 | 151.50mm | 130.30mm | 16 |
| DN150CF | CF203-156 | 202.50mm | 181.00mm | 20 |
| DN200CF | CF253-206 | 253.00mm | 231.80mm | 24 |
| DN250CF | CF305M-256 | 305.00mm | 284.00mm | 32 |
| CF337-254 | 336.60mm | 306.30mm | 30 | |
| DN300CF | CF368-305 | 368.30mm | 338.10mm | 32 |
| Tolerances | |||
| Port Length | Analyser Port (Only) | Phi & Theta Angle | General Tolerance |
| General ±1mm | ±0.5 mm | ±0.5° | R2.0 mm |
Tube Sizes:
Tube sizes as part of the standard configurable range
| Tube Sizes | ||||
| Stainless Steel | NiFe (Mu Metal) | |||
| ØA mm | T1 mm | ØA mm | T1 mm | T2 mm |
| 19.05 | 1.2 | 44.3 | 1.5 | 1.5 |
| 44.3 | 1.5 | 70 | 2 | 3 |
| 69.9 | 2 | 108 | 3 | 5 |
| 108 | 2 | 156 | 3 | 5 |
| 156 | 3 | 206 | 3 | 5 |
| 206 | 3 | |||
Additional Details:
| Extra Details | |||
| Surface Treatments Available | Maximum Size mm (W x D x H) | Optional RGA Analsis | |
| Satin Polished - Standard | Configurable | Bespoke | Size mm - 700 x 700 x 1000 |
| Bead Blasting | 600 x 600 x 1000 | 700 x 700 x 1000 | Maximum Mass 500kg |
| Electro Polished | Max. Mass 125kg | Max. Mass 500kg | Maximum Temp. 250°c |
Please note: Electro Polished Finish and Vacuum Annealing are available at an additional cost and extended lead time. Please tell us about any additional processing when enquiring about a chamber design. Standard Flange Grade is 304L.
Standard tolerances are ±1mm on Port Length, Analyser Port ±0.5mm. Phi & Theta Angles ±0.5°. General Tolerance R2.0mm
Why choose our chambers
- The chamber will be leak tested before delivery.
- We are able to guarantee a leak rate of 2 x 10-10 mbar L/s.
- Extensive history in chamber manufacturing
- Fast quotation process
- The chamber tolerances and ports will be measured and included in the CMM report.
- Large product portfoilio
- ISO Standard 9001:2015
- UHV Cleaned Repeating/ Configurable Chambers Maximum Mass 125kg
- Standard Finish - Satin Polished