Product data
Table Of Contents

77
www.rosemount.com
Rosemount 5300 Series
October 2014
Special flanges and flushing connection rings
Masoneilan and Fisher flanges are also available in vented
versions (see “Vented flanges” on page 22), with the same
dimensions as shown in the table above.
Vented flanges must be ordered with a 1½-in. NPT threaded
process connection (code RA).
For information about flange temperature and pressure ratings,
see page 32.
Table 18. Pressure and Temperature Rating for Flushing Ring up to Class 2500
Special flanges
(1)
(1) These flanges are also available in a vented version.
D B
1
B
2
F G # Bolts K
Fisher 249B/259B
(2)
(2) Flange with raised face.
9.00 (228.6) 1.50 (38.2) 1.25 (31.8) 0.25 (6.4) 5.23 (132.8) 8 7.25 (184.2)
Fisher 249C
(3)
(3) Flange with recessed face.
5.69 (144.5) 0.94 (23.8) 1.13 (28.6) -0.19 (-4.8) 3.37 (85.7) 8
4.75
(120.65)
Masoneilan
(2)
7.51 (191.0) 1.54 (39.0) 1.30 (33.0) 0.24 (6.0) 4.02 (102.0) 8 5.87 (149.0)
Note
Dimensions may be used to aid in the identification of installed flanges. It is not intended for manufacturing use.
D
B
1
G
Raised Face Recessed Face
KG
B
1
DK
B
2
B
2
D: Outside diameter
B1: Flange thickness with gasket surface
B2: Flange thickness without gasket surface
F=B
1
-B
2
: Gasket surface thickness
G: Gasket surface diameter
# Bolts: Number of bolts
K: Bolt hole circle diameter
Dimensions are in inches (millimeters).
#
Flushing connection rings D
i
D
o
D
H
2 in. ANSI 2.12 (53.8) 3.62 (91.9) ¼ in. NPT
3 in. ANSI 3.60 (91.4) 5.00 (127.0) ¼ in. NPT
4 in. ANSI 3.60 (91.4) 6.20 (157.5) ¼ in. NPT
DN50 2.40 (61.0) 4.00 (102.0) ¼ in. NPT
DN80 3.60 (91.4) 5.43 (138.0) ¼ in. NPT
D
i
D
o
Flushing Connection Ring
D
H
Height: 0.97 in.
(24.6 mm)