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Rosemount Manifolds
Figure 19. 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
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 20. Rosemount 304RT Natural Gas 5-Valve Flange
12.3 (312)
max open
A
1
A.
/
-in. NPT test (plugged) (2)
4
1
B.
/
-in. NPT process connection on 2.125 (54) centers (2)
2
1
C.
/
-in. NPT vent
4
Dimensions are in inches (millimeters).
24
Flange Conventional Manifold
Instrument side
(54)
1.13
(29)
Process side
1.625
in. hole pattern
–
4.50
(114)
max open
NPT Conventional Manifold with NG Option
4.0
(102)
3.74
(95)
C
5.0 (127)
max open
2.5 (64)
C
B
EmersonProcess.com/Rosemount
August 2016
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