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August 2016
Figure 17. Rosemount 304RT 2-Valve Flange
A
2.126
(54)
B
1.13
(29)
6.10
(155)
max open
∅
A.
0.281 mounting holes (2)
1
B.
/
-in. NPT test (plugged)
4
7
C.
/
20
UNF mounting holes (4) on a 2.125
–
–
16
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).
Figure 18. Rosemount 304RT 3-Valve Flange
A
2.126
B
8.50
(216)
max open
∅
A.
0.281 mounting holes (2)
1
B.
/
-in. NPT test (plugged) (2)
4
1
C.
/
-in. NPT process connection on 2.125 (54) centers (2)
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).
EmersonProcess.com/Rosemount
Flange Conventional Manifold
Instrument side
B
max open
Process side
1.625
in. hole pattern
–
NPT Conventional Manifold
Instrument side
(54)
1.13
(29)
Process side
3.74
(95)
4.50
C
(114)
4.50
(114)
max open
Rosemount Manifolds
3.74
(95)
C
23
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