Instruction Manual

Instruction Manual
D102803X012
249W Sensor
December 2012
3
Figure 3. Torque Tube Arm Exploded View Showing Controller or Transmitter Mounting
GE51212
CONTROLLER OR TRANSMITTER
(DLC3010/DLC3020f
SHOWN)
RETAINING
FLANGE
POSITIONING
PLATE
GASKET
TORQUE
TUBE ARM
ROTARY SHAFT
OUTER
TUBE END
MOUNTING HOLES ACCEPT
FOUR STUDS OR CAP SCREWS
DEPENDING ON CONTROLLER OR
TRANSMITTER
HEX NUTS OR CAP
SCREWS DEPENDING ON
CONTROLLER OR TRANSMITTER
Type Number Description
D 249W—NPS 3 or 4, CL150, CL300, or CL600 steel cageless sensor.
The Parts List section shows some 249W constructions, standard displacer lengths, and standard materials, and table 1
contains materials of construction. However, 249W parts are available in a wide variety of materials of construction,
part dimensions, and other specifications. Contact your Emerson Process Management sales office for assistance in
selection of specific materials, dimensions, and specifications.
Table 1. Materials of Construction
Part Standard Material Other Materials
Wafer Body and Torque Tube Arm WCC (NACE MR0175 compliant) 316 Stainless Steel
Displacer 304 Stainless Steel 316 Stainless Steel, N10276, N04400, Plastic, and Special Alloys
Displacer Stem, Driver Bearing,
Displacer Rod and Driver
316 Stainless Steel N10276, N04400, other Austenitic Stainless Steels, and Special Alloys
Torque Tube N05500
(1)
316 Stainless Steel, N06600, N10276
Bolting
NCF coated steel grade B7 studs or
cap screws and grade 2H nuts
Steel Grade B7M or M8M studs and grade 2M nuts
Torque Tube Arm Gasket and
Torque Tube End Gasket
Graphite/Stainless Steel N04400/PTFE
1. N05500 is not recommended for spring applications above 232_C (450_F). Contact your Emerson Process Management sales office or application engineer if temperatures exceeding this
limit are required.
Educational Services
For information on available courses for 249W level sensors, as well as a variety of other products, contact:
Emerson Process Management
Educational Services, Registration
P.O. Box 190; 301 S. 1st Ave.
Marshalltown, IA 50158-2823
Phone: [phone] or
Phone: [phone]
FAX: [phone]
e‐mail: [e-mail]