MKS Mass-Flo 1179A - Mounting a Type 2179 MFC; Figure 5: Mounting Dimensions of the Base Aluminum Plate; Figure 6: Mounting Dimensions of the Type 2179 Flow Controller

Mounting a Type 2179 MFC Cha
p
ter Two: Installation
30
Mounting a Type 2179 MFC
The Type 2179 MFC includes a positive shutoff valve. Mount each assembly horizontally, if
possible. Placement of flow components in a different orientation may cause a small zero shift.
The zero offset can be removed according to the instructions in
How To Zero the Flow
Controller
, page 40. The air operator port is a ¹/
8
NPT (National Pipe Thread) internal fitting.
The aluminum plate can be mounted via four mounting holes. Refer to Figure 5 for the location
of the mounting holes on the aluminum plate.
6.34
(161.0)
5.58
(141.7)
0.233
0.240
Dia 4 PL
0.56
2 PL
1.12
2 PL
1.50
Ref.
0.38
(9.7)
Figure 5: Mounting Dimensions of the Base Aluminum Plate
6.33 (160.7)
5.58 (141.7)
0.187 (4.7)
1.125 (28.5)
0.405 (10.3) VCO compatible
0.565 (14.3) VCR compatible
0.345 (8.7) Swa
g
elok compatible
0.233 to 0.240 Dia
(6.0) - TYP.
6.27 (159.2) SL*
6.71 (170.4) VCR*
6.39 (162.3) VCO*
*
or compatible
Figure 6: Mounting Dimensions of the Type 2179 Flow Controller