Product Data Sheet
00813-0100-4530, Rev DA
December 2010
51
Rosemount 5300 Series
SPECIAL FLANGES AND FLUSHING CONNECTION RINGS
Masoneilan and Fisher flanges are also available in
vented versions (see “Vented Flanges” on page 15),
with the same dimensions as shown in the table
above.
Vented flanges must be ordered with a 1 ½ in. NPT
threaded process connection (code RA).
For information about flange temperature and
pressure ratings, see page 22.
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
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)
Dimensions are in inches
(millimeters)