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Specifications and Reference Data
August 2017
Figure A-18. Proprietary Flanges
Raised face
Recessed face
B
1
G
K
D
G
B
2
Dimensions are in inches (millimeters).
Note
Dimensions may be used to aid in the identification of installed flanges. It is not intended for manufacturing use.
Table A-19. Dimensions of Proprietary Flanges
(1)
Special flanges
(2)
Fisher 249B/259B
9.00 (228.6)
(3)
Fisher 249C
5.69 (144.5)
(2)
Masoneilan
7.51(191.0)
1.
These flanges are also available in a vented version.
2.
Flange with raised face.
3.
Flange with recessed face.
146
PRELIMINARY
B
1
K
D
B
2
D
B
1
1.50 (38.2)
1.25 (31.8)
0.94 (23.8)
1.13 (28.6)
1.54 (39.0)
1.30 (33.0)
D: Outside diameter
B
: Flange thickness with gasket surface
#
1
B
: Flange thickness without gasket surface
2
F=B
-B
: Gasket surface thickness
1
2
G: Gasket surface diameter
# Bolts: Number of bolts
K: Bolt hole circle diameter
B
F
2
0.25 (6.4)
5.23 (132.8)
-0.19 (-4.8)
3.37 (85.7)
0.24 (6.0)
4.02 (102.0)
Reference Manual
00809-0100-4308, Rev CA
G
# Bolts
8
7.25 (184.2)
8
4.75 (120.65)
8
5.87 (149.0)
Specifications and Reference Data
K
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