Tool family
The MKS Type 253B Exhaust Throttle Valve is a butterfly valve designed to regulate gas removal from a vacuum chamber when used with an MKS controller.
The MKS Type 253B Exhaust Throttle Valve is a butterfly valve designed to regulate gas removal from a vacuum chamber when used with an MKS controller.
Cited variants
| Designation | Generation | Vintage | Changes | Source |
|---|---|---|---|---|
| 253B-2-50-2 | — | — | KF Style ISO valve with KF-50 mounting flange; 2.000 in (50.8 mm) inside diameter; 3.25 in (82.6 mm) outside diameter unheated and 3.50 in (88.9 mm) with heater option; controllable conductance 0.70 to 300 l/sec; thickness 2.00 in (50.8 mm); overall height 9.14 in (232.2 mm) unheated and 9.31 in (236.5 mm) with heater option. | nanofab.utah.edu[1] |