Emerson Fisher 2100 Data Sheet
Contents
1. Specialized instrument terms are defined in ANSI ISA Standard 51 1 Process Instrument Terminology 1 Natural gas should contain no more than 20 ppm of H2S 2 Normal m normal cubic meters per hour at 0 C 1 01325 bar absolute Sefhstandard cubic feet per hour at 60 F 14 7 psia 3 Pressure and temperature limits in this document and any applicable stan ards or code limitations should not be exceeded 4 Water Oil Gas maximum working pressure Corresponds to Cold Working Pressure the maximum pressure rating allowed under normal ambient temperature conditions which are usually understood to be 29 to 38 C 20 to 100 F Refer to MSS SP 25 Figure 1 Fisher 2100E Electric Liquid Level Switch APPROXIMATE SWITCHING POINT LOCATION OF OPTIONAL SIGHT WINDOW X0682 Principle of Operation Figure 2 shows the 2100 switch with the nozzle flapper and magnet positioned for high level activation When the switch is in the normal position with the flapper against the nozzle output pressure cannot bleed off and remains the same as full supply pressure Rising liquid level exerts a buoyant force on the displacer producing a torque on the torque tube When the torque transmitted by the torque tube exceeds the torque exerted on the flapper by the magnet the flapper snaps away from the nozzle allowing output pressure to bleed through the nozzle faster than supply pressure can enter through the bleed orifice The reduced2. pressure in the output signal line activates the shutdown or alarm system When the liquid level lowers the falling displacer forces the flapper into the field of the magnet letting the magnet snap the flapper against the nozzle and causing output pressure to build to full supply pressure Product Bulletin 32 2 2100 2100 and 2100E Level Switches February 2014 D200032X012 Figure 2 Principle of Operation for High Level Fisher 2100 Switch SUPPLY TORQUE TUBE DISPLACER OPTIONAL BLEED ORIFICE NOZZLE OPTIONAL SHUTDOWN FLAPPER STREET TEE VALVE OR ALARM SYSTEM OUTPUT SIGNAL MAGNET A3619 2 Figure 3 Construction Details of Low Level Fisher 2100 Switch TORQUE TUBE ASSEMBLY CAGE FLAPPER amp CLAMP ASSEMBLY FLAPPER SEAT GASKET DISPLACER NOZZLE NOZZLE BLOCK ASSEMBLY GE59150 2100 and 2100E Level Switches D200032X012 Figure 4 Construction Details of Fisher 2100E Switch CAGE DISPLACER GE59290 Figure 3 shows a sectional view of the 2100 switch positioned for low level activation The nozzle flapper and magnet are on the opposite side of the torque tube so that downward displacer travel moves the flapper away from the nozzle With the 2100E switch figure 4 rising liquid level exerts a buoyant force on the torque tube that either activates or deactivates an electrical SPDT or DPDT switch depending on the switching action desired Falling liquid
3. switch position flapper against nozzle for high level switching or 25 4 mm 1 inch above the normal switch position for low level switching Maximum Working Pressure m 153 bar 2220 psig WOG 4 except m 24 bar 350 psig WOG is the maximum working pressure for sight window construction Operative Temperature Rangel 2100 29 to 204 C 20 to 400 F 2100E 29 to 82 C 20 to 180 F Displacer Diameter 102 mm 4 inches continued 2100 and 2100E Level Switches D200032X012 Process Connection Size 153 bar 2220 psig WOG 4 1 NPT internal E DN 50 NPS 2 Schedule 80 buttwelding ends or E DN 50 NPS 2 Schedule 160 buttwelding ends 2100 Switch Supply Pressure Connection Size 1 4 NPT internal 2100E Switch Electrical Connection Size 1 2 NPT external Hazardous Area Classification Approvals on the electrical switch component in the 2100E supplied by ITT NEO DYN are as follows CSA Class Division 1 Groups A B C D Class II Division 1 Groups E F G Dual Seal FM EXP Class Division 1 Groups A B C D DIP Class II Division 1 Groups E F G UL Class Division 1 Groups A B C D Class II Division 1 Groups E F G ATEX Ex d IIC IECEx Ex d IIC Approvals on the complete 2100E assembly are as follows Russian GOST R 1 ExdlICT4 T5 T6 Russian FSETAN Contact your Emerson Process Management sales office if additional information is required Construction Materials Cage m SA2
4. 16 Cast Steel WCC cage m SA216 Cast Steel WCC cage NACE MR0175 2002 and m SA351 316 SST CF8M cage Displacer m S30400 stainless steel standard m S31603 solution annealed stainless steel NACE MR0175 2002 Torque Rod amp Tube Assembly N05500 Bearing Glass filled PTFE O Rings Fluorocarbon Cover Gasket 2100 Chloroprene 2100E Silicone rubber Other Gaskets Silicone rubber Nozzle Block Assembly 2100 only Aluminum amp stainless steel Nozzle 2100 only Stainless steel 2100 and 2100E Level Switches D200032X012 Specifications continued Product Bulletin 32 2 2100 February 2014 Construction Materials continued Flapper amp Clamp Assembly 2100 only Stainless steel Flapper Seat 2100 only Fluorocarbon Magnet 2100 only Special material Body Block Steel Cover 2100 Clear plastic 2100E Aluminum Housing 2100E only Aluminum Other Metal Parts Stainless steel Options 2100 Switch Option Individual street tee and bleed orifice when it is not desired to supply several level switches from one common block and bleed restriction Sight Window Option A sight window is available for either the 2100 or 2100E that installs in place of the pipe plug as illustrated in figure 1 NACE Option Constructions are available which comply with the metallurgical requirements of NACE MRO175 2002 Environmental restriction may apply Shipping Weights 17 2 kg 38 pounds NOTE
5. 2100 and 2100E Level Switches D200032X012 Product Bulletin 32 2 2100 February 2014 Fisher 2100 Pneumatic and 2100E Electric Liquid Level Switches Fisher 2100 on off pneumatic switch and 2100E electric switch sense shown in figure 1 high or low liquid levels Typically these switches pneumatically or electrically operate safety shutdown systems for field processing equipment in oil and gas production applications 2100 and 2100E switches both use a displacer style sensor located in an external cage that mounts on the outside of a vessel Unless otherwise noted all NACE references are to NACE MRO175 2002 Features m Proven Rugged Construction The switch is isolated and sealed from the process through a corrosion resistant displacer and torque tube assembly for maximum reliability The displacer can withstand up to 1 1 2 times the maximum working pressure allowing it to remain in the cage during hydrostatic testing Sour Service Capability Materials are available for applications handling sour fluids and gases These constructions comply with the metallurgical requirements of NACE MRO175 2002 Environmental restrictions may apply Application Versatility The 2100 and 2100E switch construction comes ina left hand as well as a right hand mounting version The explosion proof hermetically sealed 2100E switch is offered as both a factory mounting and as an electric switch retrofit to the proven 2100 switch
6. FISHER 2100 PNEUMATIC LIQUID LEVEL SWITCH Installation Versatility The displacer cage has two 1 NPT pipe plugs that you can remove and relocate for horizontal instead of vertical equalizing piping or for installation of a bleed or drain valve Easy Reversibility Switching action for both the 2100 and 2100E switches is field reversible from high level to low level or vice versa without additional parts A S EMERSON www Fisher com Process Management Product Bulletin 32 2 2100 February 2014 Specifications Input Signal Liquid level Minimum Process Liquid Specific Gravity 0 5 consult your Emerson Process Management sales office for specific gravities below this value Output Signal 2100 Equal to the supply pressure when the switch is in the normal position flapper against nozzle and reduced to approximately atmospheric pressure depending upon the bleed orifice size and the piping configuration when the switch is activated 2100E Same as supply signal Supply Signal 2100 m 2 1 to 4 1 bar 30 to 60 psig m 4 1 to 6 9 bar 60 to 100 psig or m 6 9 to 10 3 bar 100 to 150 psig 2100E 11 amperes 1 4 horsepower at 125 250 volts ac 5 amperes resistive 3 amperes inductive at 28 volts DC Supply Medium 2100 Air or Natural Gas 1 Steady State Air Consumption 2 2100 Less than 0 03 normal m3 hour 1 0 scfh for all supply pressures when the liquid level is 25 4 mm 1 inch below the normal
7. ces described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Marshalltown lowa 50158 USA Sorocaba 18087 Brazil Chatham Kent ME4 4QZ UK Dubai United Arab Emirates ey Singapore 128461 Singapore www Fisher com EMERSON Process Management 1971 2014 Fisher Controls International LLC All rights reserved Frocess Nanhagement
8. level deactivates or activates the same switch depending on the action desired Installation The forged in horizontal line on a 2100 or 2100E displacer cage indicates the approximate switching point When mounted the 2100 or 2100E switch is positioned so that the horizontal line corresponds to the level at which switching is desired Isolating valves should be installed in the equalizing piping between the tank and the cage Dimensions are shown in figure 5 and table 1 Product Bulletin 32 2 2100 February 2014 TORQUE TUBE ASSEMBLY SWITCH ARM ELECTRIC SWITCH ASSEMBLY Ordering Information Application When ordering specify m Supply pressure 2100 switch only m SPDT or DPDT switch construction 2100E switch only m Maximum working pressure and temperature m Switching action for high or low level alarming Construction Refer to the specifications Review the information under each specification and in the referenced figures specify the desired selection whenever there is a choice to be made High level switching and right hand mounting will be supplied automatically unless otherwise specified Always specify the complete type number of the desired equipment Product Bulletin 2100 and 2100E Level Switches 32 2 2100 February 2014 D200032X012 Figure 5 Dimensions a
9. lso see table 1 1NPT 216 k ea E TAPPED amp PLUGGED 8 51 1 69 i Fi 38 1 50 L 140 5 SSS e 102 4 00 i N 32 sE 287 1 25 a 211 11 31 O O 8 31 PS MS 1 4 NPT AIR CONNECTION E l ON BACK 2100 SWITCH ONLY N 1NPT TAPPED amp PLUGGED Da 6 00 6 00 iai INCH GE59300 Table 1 Dimensions DIMENSIONS TYPE mm Inches A B C A B C 2100 127 108 103 5 00 4 25 4 06 2100E 130 57 111 5 12 2 25 4 38 Product Bulletin 2100 and 2100E Level Switches 32 2 2100 D200032X012 February 2014 Product Bulletin 32 2 2100 2100 and 2100E Level Switches February 2014 D200032X012 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 unit of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co All 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 to be construed as warranties or guarantees express or implied regarding the products or servi
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