23
Rosemount Manifolds
August 2016
EmersonProcess.com/Rosemount
Figure 17. Rosemount 304RT 2-Valve Flange
⫻
Flange Conventional Manifold
Figure 18. Rosemount 304RT 3-Valve Flange
⫻
NPT Conventional Manifold
Instrument side
Process side
A.
0.281 mounting holes (2)
B.
1
/
4
-in. NPT test (plugged)
C.
7
/
16
–
20
–
UNF mounting holes (4) on a 2.125
⫻
1.625
–
in. hole pattern
Note: Manifold handle assembly may vary slightly from image shown. All valve handle assemblies provide the same function and meet all stated drawing
dimensions.
Dimensions are in inches (millimeters).
Instrument side
Process side
A.
0.281 mounting holes (2)
B.
1
/
4
-in. NPT test (plugged) (2)
C.
1
/
2
-in. NPT process connection on 2.125 (54) centers (2)
Note: Manifold handle assembly may vary slightly from image shown. All valve handle assemblies provide the same function and meet all stated drawing
dimensions.
Dimensions are in inches (millimeters).
A
B
2.126
(54)
1.13
(29)
6.10
(155)
max open
3.74
(95)
4.50
(114)
max open
B
C
∅
2.126
(54)
1.13
(29)
8.50
(216)
max open
A
B
3.74
(95)
4.50
(114)
max open
C
∅
