Tool family
The MKS Type 253B Exhaust Throttle Valve is a butterfly valve used to regulate removal of gas from a vacuum chamber when used with an MKS controller.
The MKS Type 253B Exhaust Throttle Valve is a butterfly valve used to regulate removal of gas from a vacuum chamber when used with an MKS controller.
Cited variants
| Designation | Generation | Vintage | Changes | Source |
|---|---|---|---|---|
| 253B-1-2CF-2 | — | — | CF flange variant with 2.000 in (50.8 mm) inside diameter, 2¾ in CF mounting flange, 2.75 in (69.9 mm) outside diameter, 1.25 in (31.8 mm) thickness, 6 bolt holes, and no flapper seal. | nanofab.utah.edu[1] |