25
Rosemount Manifolds
August 2016
EmersonProcess.com/Rosemount
Figure 21. Rosemount 304RT Natural Gas 5-Valve Conventional Manifold with NG Option
Figure 22. Rosemount 304RT Natural Gas 5-Valve Flange
⫻
NPT Conventional Manifold
A.
1
/
4
-in. NPT test (plugged) (2)
B.
1
/
4
-in. NPT vent
C.
7
/
16
–
20
–
UNF mounting holes (4) on a 2.125
⫻
1.625
–
in. hole pattern
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)
D.
1
/
4
-in. NPT vent
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).
12.3 (312)
max open
2.126
(54)
4.0
(102)
5.0 (126)
max open
2.5 (64)
A
B
C
2.126
(54)
1.13
(29)
8.50
(216)
max open
A
3.74
(114)
4.50
(114)
max open
C
B
D
∅
