Instruction manual

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Converting a Threaded NPT Connection to a

Flange Connection

Supplement to Fisher

L2, L2e, and L2sj Level Controller

Instruction Manuals

This supplement contains information for converting L2, L2e, and L2sj level controller threaded NPT connections to

flange type connections.

Refer to the Maintenance section of the appropriate instruction manual for instructions on removing the sensor from

the controller, and disassembly of the sensor connector.

See figures 1, 2, and 3 for conversion and weld end details.

Note

Modification of the L2, L2e, or L2sj sensor to a flanged connection limits the pressure rating to the flange rating.

Refer to tables 1 and 3.

Ensure flanges are marked with the appropriate pressure rating.

Flange Orientation

Orient the controller so that the case is level. See figure 4 for the proper sensor orientation for flange welding.

WARNING

To maintain code/standard compliance, weld fabrication must meet the requirements of ASME Section IX. Failures to meet

these requirement could result in personal injury and/or property damage.

WARNING

To maintain compliance with NACE MR0175, weld fabrication must meet the requirements of NACE MR0175, paragraph 5.3.

Failure to meet these requirements could result in personal injury and/or property damage.

Instruction Manual Supplement

D103277X012

L2, L2e, and L2sj Controller

April 2013

Summary of content (10 pages)

PAGE 1
Instruction Manual Supplement L2, L2e, and L2sj Controller D103277X012 April 2013 Converting a Threaded NPT Connection to a Flange Connection Supplement to Fisherr L2, L2e, and L2sj Level Controller Instruction Manuals This supplement contains information for converting L2, L2e, and L2sj level controller threaded NPT connections to flange type connections.
PAGE 2
Instruction Manual Supplement L2, L2e, and L2sj Controller D103277X012 April 2013 Figure 1. Typical Sensor Connection CUT HERE TO REMOVE THREAD PREPARE SURFACE FOR WELD BORE AND MACHINE TO GIVEN DIMENSIONS 10C2006-A 62 NPS 2 ANSI SCHED 40 10C2006-A NOTE: SEE FIGURE 1 FOR A TYPICAL SENSOR CONNECTION 2 1.6 $ 0.4 11.2 37.4 38.9 62.7 ) 2.3 * 0.8 12.7 15.2 CONTROLLER 7.6 48.5 50.0 62.7 ) 2.3 * 0.8 51.7 53.3 12.7 15.2 CONTROLLER CONTROLLER 62.7 ) 2.3 * 0.8 1.6 $ 0.4 1.6 $ 0.4 Figure 2.
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Instruction Manual Supplement L2, L2e, L2sj Controller D103277X012 April 2013 CONTROLLER CONTROLLER CONTROLLER Figure 3. Sensor Connections (Inches) NPS 2 ANSI SCHED 40 NPS 2 ANSI SCHED XXS NPS 2 ANSI SCHED 80 10C2006-A NOTE: SEE FIGURE 1 FOR A TYPICAL SENSOR CONNECTION Figure 4. Sensor Orientation for Flange Mounting FLANGE 45_ $2.5_ 22.5_$2.5_ .12 max O A A .
PAGE 4
L2, L2e, and L2sj Controller Instruction Manual Supplement April 2013 D103277X012 Installation 1. Install a suitable flange gasket. 2. Insert the displacer end of the sensor into the tank connection. Position the sensor so it can be bolted to the tank flange. 3. Complete the sensor flange to tank flange connection.
PAGE 5
Instruction Manual Supplement L2, L2e, L2sj Controller D103277X012 April 2013 Figure 5. Fisher L2 Liquid Level Controller, NPS 2X2 Flange Dimensions (also see tables 1 and 2) 10C1997-A Table 1. Fisher L2 Liquid Level Controller, NPS 2X2 Flange Dimensions (with one 6‐inch extension) SCHEDULE 40 & 80 PRESSURE RATING & TYPE A B SCHEDULE XXS C A B C mm CL150 RF 312 217 566 307 222 561 CL300 RF 306 223 560 301 228 555 CL600 RF 296 232 550 291 237 545 INCH CL150 RF 12.28 8.
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Instruction Manual Supplement L2, L2e, and L2sj Controller D103277X012 April 2013 Figure 6. Fisher L2 Liquid Level Controller, NPS 2X4 Flange Dimensions (also see tables 3 and 4) 10C2009‐A Table 3.
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Instruction Manual Supplement L2, L2e, L2sj Controller D103277X012 April 2013 Figure 7. Fisher L2e Electric Level Controller, NPS 2X2 Flange Dimensions (also see tables 5 and 6) 1 1 1 DIMENSIONS WITH ONE 6-INCH EXTENSION GG13007-A Table 5.
PAGE 8
Instruction Manual Supplement L2, L2e, and L2sj Controller D103277X012 April 2013 Figure 8. Fisher L2e Electric Level Controller, NPS 2X4 Flange Dimensions (also see tables 7 and 8) 1 1 1 DIMENSIONS WITH ONE 6-INCH EXTENSION GG13008 Table 7.
PAGE 9
Instruction Manual Supplement L2, L2e, L2sj Controller D103277X012 April 2013 Figure 9. Fisher L2sj Liquid Level Controller, NPS 2X4 Flange Dimensions (also see tables 9 and 10) GE31927 Table 9.
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L2, L2e, and L2sj Controller April 2013 Instruction Manual Supplement D103277X012 Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user. Fisher is a mark owned by one of the companies in the Emerson Process Management business division of Emerson Electric Co.