Instruction Manual
D200099X012
249 Caged Sensors
April 2017
18
Key Description
Notes
For key 24 see figure 5: Two styles of vessel/cage connections are
available: screwed (S) and flanged (F). Four connection configurations
are available:
1, top and bottom of cage
2, top and lower side of cage
3, side of cage only
4, upper side and bottom of cage
Styles 1, 2, 3, 4 refer to either screwed or flanged. Styles S1, S2, S3, S4
refer to screwed connections. Styles F1, F2, F3, F4 refer to flanged
connections.
24 Displacer Stem
(1)
, S31600
For 249
For 249B
For 249C
For 249K (styles F3, F4 only)
For 249L (styles F1, F2 only)
For 249L (styles F3, F4 only)
25 Hex Nut
(1)
, B8M (2 req'd)
Notes
For key 26 see figure 5: Two styles of vessel/cage connections are
available: screwed (S) and flanged (F). Four connection configurations
are available:
1, top and bottom of cage
2, top and lower side of cage
3, side of cage only
4, upper side and bottom of cage
Styles 1, 2, 3, 4 refer to either screwed or flanged. Styles S1, S2, S3, S4
refer to screwed connections. Styles F1, F2, F3, F4 refer to flanged
connections.
Key Description
26 Pipe Plug
(1)
For 249, malleable cast iron
1‐1/2 NPT (styles S2, S3, S4) (2 req'd)
2 NPT (style S2, S3, & S4)
For 249B, steel (styles S3, S4)
For 249C, S31600 (styles S3, S4)
For 249K, steel (styles S3, S4)
27 Pipe Plug (2 req'd)
For 249, cast iron
CL125
CL250
For 249B, steel
29 Liquid Damper
(1)
, S30400
NPS 1‐1/2 connection
NPS 2 connection
30 Blind Flange
(1)
For 249L
31* Ring
(1)
(Iron gasket)
For 249L
32 Stud Bolt
(1)
, steel B7 (4 req'd)
For 249L
33 Hex Nut
(1)
, steel (4 req'd)
For 249L
35 Heat Insulator Ass'y
Use only when specified
36 Shaft Coupling (for heat insulator ass'y)
Use only when specified
37 Shaft Extension (for heat insulator ass'y)
Use only when specified
38 Set Screw (for heat insulator ass'y) (2 req'd)
Use only when specified
39 Cap Screw (for heat insulator ass'y) (4 req'd)
Use only when specified
40 Cap Screw (for heat insulator ass'y) (4 req'd)
Use only when specified
51 Arm Flange, For 249B (partial cage ass'y)
53 Washer (for heat insulator ass'y) (4 req'd)
Use only when specified
54 Nameplate
55 Drive Screw
56 NACE Nameplate
— Shipping Block, zinc (not shown)
— Shipping Cone, cast iron (not shown)
1. This part is available in a wide variety of materials of construction, part
dimensions, or other specifications. Listed here are standard or typical materials,
dimensions, or specifications. Contact your Emerson sales office for assistance in
selection of specific materials, dimensions, or specifications.
*Recommended spare parts
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