Emerson L2 Data Sheet
Contents
1. 125 Controller D103229x012 Product Bulletin 34 2425 July 2014 Fisher L2sj Low Emission Liquid Level Controller The rugged Fisher L2sj low emission liquid level controller uses a displacer type sensor to detect liquid level This controller features a rugged low emission proportional relay with integral action The device delivers direct acting on off pneumatic output signal to a control dump valve Features Designed for use with Natural Gas The 125 controllers intended for use with natural gas as the pneumatic supply Increased Revenue Reduced emissions result in an increase in natural gas available to the sales line Reduced Operating Costs Integral action relay with rugged metal seats requires less maintenance and provides more dependable liquid level control which can improve uptime Reduced Carbon Footprint A low bleed relay helps to conserve natural gas to reduce greenhouse gas emissions The relay provides a steady state consumption rate that is less than the 6 scfh requirement set for the oil and gas industry by the US Environmental Protection Agency New Source Performance Standards Subpart 0000 EPA HQ QAR 2010 0505 NACE Service Ready Sensor and vessel connection complies with the requirements of NACE MRO175 2002 Ease of Field Setup Simplified dry and wet setup and adjustments Setup and Adjustments illustrated inside L2sj cover as shown in figure 1 Field Confi2. CONTROLLER sensmviry RELAY POST SPRING ADJUSTOR MAXIMUM EXTENSION WET DISPLACER ADJUSTMENTS TO RASE THE POSITION WHERE THE Las CATCHES A AISNG LEVEL TO LOWER THE POSITION WHERE THE 12 CATCHES A ASING LEVEL T THE SPRNG IS AT ITS MAXIMUM EXTENSION EXTEND THE RELAY POST SLIGHTLY THE SPAN ADJUSTOR TO THE RIGHT NOTE ALWAYS OBSERVE ONE OR MORE DUMP CYCLES TO VERIFY L2s SETTINGS AND ADJUSTMENTS 7 Product Bulletin L2sj Controller 34 2 125j D103229X012 July 2014 Figure 2 Dimensions 76 x 152 mm 3 x 6 inches with 76 mm 3 Inch Extension 194 782 la 1524 des d PT d 2 5 e 6 00 au ma INCH EXTENSION 105 ajans ner 412 248 752 NO Product Bulletin 34 2125 125 Controller July 2014 D103229x012 Figure 3 Dimensions 48 x 305 mm 1 7 8 x 12 inches with 152 mm 6 Inch Extension 335 194 3 19 7 82 287 157 E vase 105 12 50 SUPPLY CONNECTION 1412 om ais 1875 155 612 ms O 4 191 n 0 50 CH Product Bulletin L2sj Controller 34 2 125j D103229X012 July2014 Product Bulletin 34 2425 July 2014 125 Controller D103229x012 Neither Emerson Emerson Proc
3. NPT threaded or NPS 2 CL150 through 1500 slip on flange connection Case Vent 1 4 NPT internal with vent screen assembly located on the back of the case Displacer Size 48x305 mm 541 cm 1 7 8 x 12 inches jn or W 76x 152 mm 688 cm 3 x 6 inches y 4 Displacer Insertion Length See figure 2 and 3 Maximum Sensor Working 6 PVC Displacer Consistent with CL1500 pressure temperature ratings per ASME B16 34 up to maximum pressure of 258 5 bar 3750 psig For PED 97 23 EC maximum pressure limited to 200 bar 2900 psig 531603 SST Displacer CL600 pressure temperature ratings per ASME B16 34 up to maximum pressure of 99 3 bar 1440 psig Note For slip on flange connection maximum sensor working pressure must be consistent with the flange ratings Sensor Temperature Limits 8 PVC Displacer 29 to 79 C 20 to 175 F 531603 SST Displacer 40 to 204 C 40 to 400 F Operative Ambient Temperature Limits Controller 29 to 71 C 20 to 160 F Standard Supply and Output Pressure Gauge Indications Triple scale gauges in 0 to 60 psig 0to 0 4 MPa Oto 4 0 bar L2sj Controller D103229X012 Product Bulletin 34 2125 July 2014 Specifications continued Hazardous Area Classification Complies with the requirements of ATEX Group II Category 2 Gas and Dust CE Declaration of SEP Fisher Controls International LLC declares this product to b
4. e in compliance with Article 3 paragraph 3 of the Pressure Equipment Directive PED 97 23 EC It was designed and manufactured in accordance with Sound Engineering Practice SEP and cannot bear the CE marking related to PED compliance However the product may bear the CE marking to indicate compliance with other applicable European Community Directives NOTE unge nota nons Hore pedum Natural gas soul contain no more than 20 pe fH Rada made meters par be d Sch aad cae Teet per F and 1427 psia Frere rmper sie sin ths document ad an pla standard or code inten should not be exceeded Table 1 Liquid Level Span 05 Hae tn eten we se STORET STI 08 350397 tie mos 305 Frp per ee Saar Product Bulletin 34 2125 125 Controller July 2014 D103229x012 Figure 1 Setup and Adjustments Label Inside Fisher L2sj Cover SETUP AND ADJUSTMENTS NG DRY DISPLACER SETUP 2 SET SPAN ADUUSTOR To THE MAXIMUM SENSITIVITY TURN SPRING ADJUSTOR TO TIGHTEN THE SPANG TO ITS MAXIMUM EXTENSION IE THE OUTPUT PRESSURE RISES LOOSEN THE SPRING UNTI THE THE TME OBSERVED N STEP A SHOULD FOUAL THE TME STEP B IE NOT LOOSEN THE SPRING FOR QUICKER EXHAUST ACTION DEPLACER ROD END L 2 SPAN ADJUSTOR LOW EMISSION LEVEL
5. ess Management nor any of their affiliated entities assumes responsibility for the selection use or maintenance of any product Responsibility for proper election 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 unit of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co Al other marks are the property of their respective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not tobe construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability Al sales are govemed by our terms and conditions which are available upon request We reserve the right to modify or improve designs or specifications of such Products at any time without notice Emerson Process Management Marshalltown 50158 USA Sorocaba 18087 Brazil Chatham Kent ME44Q2 UK Dubai United Arab Emirates Singapore 128461 Singapore www Fisher com 62007 2014 ber Controls international LLC Alright reserved gt EMERSON Process Management
6. gurable Vertical or Horizontal Displacer Displacer may be adjusted in the field for vertical or horizontal operation without additional parts Vibration Resistant Sensor Dynami friction and process pressure sensi minimal Performance stays constant with process pressure changes and controller remains vibration resistant Low Supply Pressure Can operate down to 0 34 bar 5 psi instrument supply pressure for coal seam applications ey EMERSON wwweFisher com Process Management Product Bulletin 34 2125 125 Controller July 2014 D103229x012 Specifications Available Configuration Controller Connections Controller On Off Direct Acting Supply 1 4 NPT internal located on the bottom Sensor Displacer type liquid level sensor for ofthe case mounting to side of vessel Output 1 4 NPT internal located on the top ofthe case Input Signal Liquid Level gas over liquid Liquid Level Span See table 1 Minimum Specific Gravity 3x6 inch displacer 0 6 1 7 8x 12 inch displacer 0 75 Pneumatic On Off psi off or full supply pressure on rect acting increasing level increases output signal Supply Pressure Requirements Any desired pressure between 0 34 and 2 4 5 and 35 psig Supply Medium Airor natural gas Steady State Air Consumption lt 0 01 normal m hr lt 0 3 at 1 4 bar 20 psig supply pressure Sensor to Vessel Connection 2
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