Specifications

Section 15 00-02-0671
2014-08-27 - 4 -
Pressure Vessel Installation: LS200 and LS200N
Direct Installation into the Wall of the Pressure Vessel
CAUTION: Determine that the float travel is not obstructed by the
coupling in the vessel wall, internal baffles, etc.
Refer to tables 1, 2, 3 and 4 for application data.
1.
Make certain the float and extension are tight.
2.
Before installing the level switch, use of a pipe thread sealant is
recommended. Screw the unit directly into the threaded
connection in the wall of the pressure vessel.
3.
For LS200, verify that the electrical connection is positioned at
the bottom.
4.
For LS200N the 1/8-inch NPT pneumatic connection should be
on top, the 3/8-inch NPT vent connection should be on the
bottom.
5.
Make the electrical wiring connections according to appropriate
wiring diagrams for the alarm or shutdown system to be used.
The electrical connection is ½-inch-14 NPT.
6.
Ensure all electrical connections are insulated and the cover is
fully installed before reconnecting electrical power.
7.
Verify all pressure connections are tight before pressurizing the system.
Clearance Reference Tables
Table 3
Pipe Data
Nom. Size
(inches)
O.D.
(inches)
Schedule
Number
Wall Thickness
(inches)
Inside Diameter
(inches)
3
3.5
40ST
0.216
3.068
3
3.5
80XS
0.3
2.9
4
4.5
40ST
0.237
4.026
4
4.5
80XS
0.337
3.826
Table 4
Minimum Clearance
Product Name
Insertion Depth (inches)
Vertical Clearance (inches)
Std.
w/ 1” Extension
Std.
w/ 1” Extension
LS 200
4.6
5.6
2.8
3.15
LS 200N
5.43
6.4
3.3
3.9
L 1200 *
4.65
5.7
3.9
4.55
L 1200N *
5.6
6.7
5.3
6.9
* Included for reference. These products have been discontinued.