
151
Reference Manual
00809-0100-4811, Rev DA
Appendix A: Reference Data
January 2015
Reference Data
A.5 Proprietary flanges
Table A-11. Dimensions of Proprietary Flanges
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)(3)
(2) Flange with raised face.
(3) Fisher 249B and 259B flanges can be replaced by Fisher - proprietary 316L SST (for 249B cages) torque tube flanges (model code TF).
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
(4)
(4) 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)
D
B
1
G
Raised face
Recessed face
K
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
Note
Dimensions may be used to aid in the identification of installed flanges. It is not intended for
manufacturing use.
G
B
1
DK
B
2
B
2
Dimensions are in inches (millimeters).
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