BASEPLATES and BASEWELLS
Used primarily with Bell Jar Chambers, Huntington’s Baseplates and Basewells help to complete a chamber project based on the time-tested Bell Jar Chamber style. Standard designs are shown below or request a custom design. Add a Gate Valve or one of our fast-acting Pneumatic Butterfly valves to the pump port to maintain the envelope pressure.
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Baseplate with Pump Port
| Flange Type |
Nominal Diameter |
“A’ |
“B” |
“C’ |
“D” |
“T” |
Flange |
Part Number |
| ASA |
12 |
14 |
5.83 |
4 |
9 |
.75 |
ASA-900-600-0 |
BSP-120 |
| 18 |
20 |
7.83 |
4 |
11 |
1.0 |
ASA-1100-800-0 |
BSP-180 |
| 24 |
26 |
7.83 |
4 |
11 |
1.0 |
ASA-1100-800-0 |
BSP-240 |
| ISO |
12 |
14 |
5.83 |
4 |
9 |
.75 |
ISO-160 |
BSP-120-SF |
| 18 |
20 |
7.83 |
4 |
11 |
1.0 |
ISO-200 |
BSP-180-SF |
| 24 |
26 |
7.83 |
4 |
11 |
1.0 |
ISO-200 |
BSP-240-SF |
 |
Base Well
| Nominal Diameter |
Flange O.D. |
Number of Ports |
“A” |
“B” |
“C” |
“D” |
“E” |
“F” |
“G” |
“H” |
Part Number |
| 12 |
2-3/4″ |
4 |
14 |
11 |
3 |
6 |
9.18 |
7.5 |
5.83 |
9 |
BSW-120 |
| 18 |
2-3/4″ |
8 |
20 |
16 |
3 |
6 |
9.18 |
10.0 |
7.83 |
11 |
BSW-180 |
| 24 |
2-3/4″ |
18 |
26 |
23 |
3 |
6 |
9.18 |
13.5 |
7.83 |
11 |
BSW-240 |
 |
