MKS 640A/641A - Dimensions; Side Port Version; Figure 7: Front and Back Views of the Side Port 640 Series Controller; Table 3: Fitting Dimension

Chapter Two: Installation Dimensions
17
Dimensions
Note
All dimensions are listed in inches with millimeters referenced in
parentheses.
Side Port Version
Front and Back Views
The front of the unit has a “Controlled Pressure Port” label to indicate the transducer port. The
opposite port houses the control valve. The gas flow can enter the unit through either port,
depending upon whether you need upstream or downstream pressure control.
The back of the unit has the serial number tag and the pinout for the 15-pin Type “D” connector.
15-pin Type "D"
connector
Connector Hex Nuts
0.50
(12.6)
3.00
(76.2)
4-VCR
male compatible
Dimension A
Serial Number
Tag
R
Front View
Back View
Figure 3: Front and Back Views of the Side Port 640 Series Controller
Fitting Dimension
Fitting Type Dimension A
Cajon

4-VCR

Male 0.94 (23.8)
8-VCR Male 1.17 (29.7)
¼” Swagelok

1.06 (26.9)
Table 4: Fitting Dimension