Specifications and Reference Data
May 2016
Reference Manual
00809-0100-4530, Rev DD
252
Specifications and Reference Data
A.5 Special flanges
Note
Dimensions may be used to aid in the identification of installed flanges. It is not intended for manufacturing use.
Masoneilan and Fisher flanges are also available in vented
versions (see
), 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
.
A.6 Flushing connection rings
Table A-14. Pressure and Temperature Rating for Flushing Ring up to Class 2500
D
B
1
Raised face
Recessed face
K
G
B
1
D
K
B
2
B
2
D: Outside diameter
B
1
: Flange thickness with gasket surface
B
2
: 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).
#
G
Special flanges
(1)
D
B
1
B
2
F
G
# Bolts
K
Fisher 249B/259B
(2)
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)
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
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)
1.
These flanges are also available in a vented version.
2.
Flange with raised face.
3.
Flange with recessed face.
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
D
H
Height: 0.97 in.
(24.6 mm)
Содержание 5300 Series
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