Emerson T205B Data Sheet
Contents
1. Y oos Fear Sas gt ee S gt d emen ea p 1 Inch 25 Body Size eoe Ts Ptr Ts pers Ta ee age ndi oioj voj oj joj ojo o o iv i i 2 jo 2 2 olr oloj o o o o olo oj ojo oo Bulletin 74 1 12058 Table 8 205 C Coefficient continued OUTLET INLET PRESSURE C COEFFICIENT SPRING RANGE PRESSURE OFFSET FROM AND COLOR SETTING SETPOINT 11 inches w c 27 mbar 20 droop 7 0 to 16 0 inches w c 17 to 40 mbar Unpainted 15 inches w c 0 37 mbar 20 droop continued Bulletin 74 1 12058 Table 8 Type 205 C Coefficient continued SPRING RANGE Ap OFFSET FROM INLET PRESSURE C COEFFICIENT AND COLOR SETPOINT SETTING 3 4 Inch DN 20 Body Size 1 Inch DN 25 Body Size 0 5 psig 0 34 83 1 2 psig 0 100 2 3 2 3 continued 10 Table 8 T205B C Coefficient continued SPRING R2. sw continued 9562 11 899 Table 9 T205B Flow Capacities continued OUTLET PRESSURE SETTING SPRING RANGE AND COLOR OFFSET FROM SETPOINT 0 5 psig 0 34 mbar 20 droop 0 5 to 1 2 psig 34 to 83 mbar Yellow 20 droop Bulletin 14 1 1205B CAPACITIES IN SCFH Nm h OF AIR INLET PRESSURE 3 4 Inch DN 20 Body Size psig bar Nmn wr ss ww we _ Le Lm wee 9 x oss wmv Le o ws m es 9 xe Wwe continued wm 12 0 xs m me 9 17 Bulletin 74 1 12058 Table 9 205 Flow Capacities continued AND COLOR SETPOINT ose sm sem Does 3 9 Lem pom poe s 9 oss 1 2 psig 83 mbar 20 droop 2063 55 3 1 2 psig to 2 5 psig 9021 83 to 172 mbar 10 650 m om 36 2 5 psig 172 mbar 20 droop 7405 9223 11 164 12 347 15 029 11 432 13 640 N continued 18 Bulletin 74 1 12058 Table 9 Type T205B Flow Capacities continued AND COLOR SETTING SETPOINT Lee om Lopes oe owe poe pow 4525 5485 6237 7547 8673 2
3. Casing Pressure Gray cast iron 35 psig 2 4 bar WCC Carbon steel or CF8M CF3M Stainless steel 75 psig 5 2 bar Maximum Emergency Outlet Pressure to Avoid Internal Parts Damage With Nitrile NBR or Fluorocarbon FKM diaphragm 35 psig 2 4 bar With Fluorinated Ethylene Propylene FEP diaphragm 10 psig 0 69 bar Outlet Control Pressure Range See Table 2 Shutoff Classification per ANSI FCI 70 3 2004 Class VI Soft Seat Pressure Registration External Orifice Size 3 8 inch 9 5 mm Flow and Sizing Coefficients See Table 4 C Coefficients see Table 8 Flow Capacities See Table 9 Material Temperature Capabilities Elastomer Parts Nitrile NBR 40 to 180 40 to 82 Fluorinated Ethylene Propylene FEP 20 to 180 F 29 to 82 Fluorocarbon FKM 40 to 300 F 4 to 149 C Ethylene Propylene Diene EPDM 20 to 225 F 29 to 107 C Perfluoroelastomer FFKM to 300 F 18 to 149 C Body Materials Gray cast iron 20 to 300 F 29 to 149 C WCC Carbon steel 20 to 300 F 29 to 149 C CF8M CF3M Stainless steel 40 to 300 F 40 to 149 C Body and Casing Materials Gray cast iron WCC Carbon steel and CF8M CF3M Stainless steel Trim Materials See Table 3 Spring Case Vent Connection 1 4 NPT Diaphragm Case Control Line Connection 1 2 NPT Approximate Weight 17 7 pounds 8 kg 1 The pressure temperature limits in this Bulletin or any applicable standard limi
4. inches w c 2 5 to 5 0 mbar INLET PRESSURE continued ww scm sc Bulletin 74 1 12058 Table 9 Type T205B Flow Capacities continued SPRING RANGE OFFSET FROM CAPACITIES IN SCFH Nm h OF AIR OUTLET INLET PRESSURE PRESSURE 6 e xs s 24 s os om ss 9 335 39 ss 9 10 eo 25 103 a7 ws 1 ew x so 3e 91 6 o 2 88 25 s os 99 oe e sa m Wr ss 25 100 eo 10082 29 24 ws xm s e xz os me ss em x5 16 s xe 24 _ ws t 35 continued 15 Bulletin 74 1 12058 Table 9 205 Flow Capacities continued 16 OUTLET PRESSURE SETTING SPRING RANGE AND COLOR 11 inches w c 27 mbar 7 0 to 16 0 inches w c 17 to 40 mbar Unpainted 15 inches w c 37 mbar OFFSET FROM SETPOINT 20 droop 2096 droop INLET PRESSURE 1 Inch DN 25 Body Size 329 e o 35s wm re e os wm ww 39 oe me 3s m sm
5. 5 to 4 5 12 1 0 17 to 0 31 bar Light Blue Tap 0 31 100 continued 955 069 10 86 003 EUM 188 055 069 10 55 69 86 003 EUM 788 19 Bulletin 74 1 12058 Table 9 205 Flow Capacities continued AND COLOR SETTING SETPOINT sc nmm wmn m s 7 4163 112 5161 5200 7007 7620 4 5 psig 0 31 bar 3477 93 2 4265 114 20 __5 55 ww s _ 4 5 to 7 psig 1 0 1 4 8 5 5 0 31 to 0 48 bar Black 1282 1596 2737 3734 4716 5737 7058 7324 9388 9637 1 2 4 1 1 as 2 4 2 om 7 psig 0 0 48 20e droop me m 1s m m 5 0 0 1 0 5 0 0 1 20 Bulletin 74 1 12058 A STANDARD VENT POSITION POSITION 1 STANDARD POSITION 2 POSITION 3 POSITION 4 BODY POSITION Figure 4 Body and Vent Position 21 Bulletin 74 1 12058 4 8 38 212 9 p 5 58 141 6 1 2 NPT CONTROL LINE CONNECTION 6 18 157 gt 1 59 l 40 4 I 10 37 2634 or TYPE T205B WITH NPT END CONNECTION 8 07 205 MAXIMUM SPRING ADJUSTME
6. ANGE EET OFFSET FROM PRESSURE AND COLOR SETTING SETPOINT 1 2 psig 83 mbar 20 droop 1 2 psig to 2 5 psig 83 to 172 mbar Green 2 5 psig 172 mbar 20 droop Bulletin 74 1 12058 INLET PRESSURE C COEFFICIENT d psig 344 inch DN 20 Body Size 1 Inch DN 25 Body size 1 ww 4 0 125 1 9 1 9 continued 11 Bulletin 74 1 12058 Table 8 Type 205 C Coefficient continued SPRING RANGE OUTLET OFFSET FROM INLET PRESSURE C COEFFICIENT AND COLOR dizi SETPOINT 3 4 Inch DN 20 Body Size 1 Inch DN 25 Body Size 1 4 SETTING 2 5 psig 0 0 17 20 droop Light Blue 4 5 psig 0 0 31 20 droop 2 5 to 4 5 psig EEE 0 17 to 0 31 bar CAE continued 12 Table 8 205 C Coefficient continued SPRING RANGE OFFSET FROM AND COLOR SETTING SETPOINT 4 5 psig 0 0 31 4 5 to 7 psig 0 31 to 0 48 bar Black 7 psig 0 0 48 INLET PRESSURE Bulletin 74 1 12058 C COEFFICIENT 3 4 Inch DN 20 Body Size 1 Inch DN 25 Body Size 13 Bulletin 74 1 12058 Table 9 Type T205B Flow Capacities OUTLET PRESSURE SETTING SPRING RANGE AND COLOR 1 inch w c 2 5 mbar 1 0 to 2 5 inches w c 2 5 to 6 2 mbar Orange 2 5 inches w c 6 2 mbar 14 OFFSET FROM SETPOINT 1 to 2 inches w c 2 5 to 5 0 mbar 1 to 2
7. Bulletin 74 1 1205 2014 205 Balanced Tank Blanketing Regulator Figure 1 Type T205B Balanced Tank Blanketing Regulator Contents Features 2 Fully Balanced Plug Design MN 2 Large Diaphragm ucl snes 3 Low Pressure Setting and Fast Speed Principle of Operation 3 of Response 4 Accurate Control and Small Lockup Pressure Overpressure 4 Sour Gas Service Capability Capacity Information 7 Ordering Information 23 Ordering Guide 23 www fisherregulators com 4 gt EMERSON Process Management D103749X012 Bulletin 74 1 1205 Specifications This section lists the specifications of the Type T205B Balanced Tank Blanketing Regulator Factory specification such as maximum temperature maximum inlet and outlet pressures spring range and seat or orifice size are stamped on the nameplate fastened on the regulator at the factory Body Sizes and End Connection Styles See Table 1 Maximum Allowable Inlet Pressure See Table 1 Maximum Operating Inlet Pressure Gray cast iron 150 psig 10 3 bar WCC Carbon steel or CF8M CF3M Stainless steel 200 psig 13 8 bar Maximum Outlet
8. Flow Rate due to thermal cooling Standard 2000 2000 determine the flow rate of See Table 6 blanketing gas required pump T Bulletin 74 1 12058 Capacity Information Capacity tables are based on 1 0 specific gravity the correction factors in Table 6 For gases of other air If other blanketing gas is used convert the specific gravities divide the given air flow rate by the tabular values as follows For blanketing pad gases square root of the appropriate specific gravity other than air multiply the given air flow rate by Table 8 Type T205B C Coefficient OUTLET PRESSURE SETTING OEF INLET PRESSURE C COEFFICIENT SETPOINT EARE 3 4 Inch DN 20 Body Size 1 Inch DN 25 Body Size SPRING RANGE AND COLOR 1 inch w c 1 to 2 inches w c 2 5 mbar 2 5 to 5 0 mbar 1 0 to 2 5 inches w c 2 5 to 6 2 mbar Orange 2 5 inches w o 1 to 2 inches we continued Bulletin 74 1 1205 Table 8 Type 205 C Coefficient continued SPRING RANGE OFFSET FROM AND COLOR SETTING SETPOINT 2 5 inches w c 1 to 2 inches w c 6 2 mbar 2 5 to 5 0 mbar 2 5 to 7 0 inches w c 6 2 to 17 mbar Red 4 inches w c 1 to 2 inches w c 10 mbar 2 5 to 5 0 mbar 7 inches w c 2 to 2 inches w c 17 mbar 5 to 5 0 mbar INLET PRESSURE continued IN C COEFFICIENT 3 4 Inch DN 20 Body Size Ew ees a sal cal D YY
9. NT ASSEMBLY OPTION ERSA02735 Figure 5 Dimensions 22 FLANGED 14 355 6 TYPE T205B WITH FLANGED END CONNECTION INCH mm Ordering Information When ordering complete the ordering guide on this page Refer to the Specifications section on page 2 Review the description to the right of each Ordering Guide Body Size Select One 1 3 4 inch DN 20 1 inch DN 25 Body Material and End Connection Style Select One Gray Cast NPT WCC Carbon Steel NPT CL150 RF CL300 RF L PN 16 25 40 RF specify rating CF8M CF3M Stainless steel NPT CL150 RF CL300 RF L PN 16 25 40 RF specify rating Outlet Control Pressure Range Select One 1 to 2 5 inches w c 2 5 to 6 2 mbar Orange 1 2 5 to 7 inches w c 6 2 to 17 mbar Red 7 to 16 inches w c 17 to 40 mbar Unpainted 1 0 5 to 1 2 psig 34 to 83 mbar Yellow L 1 2 to 2 5 psig 83 to 172 mbar Green 2 5 to 4 5 psig 0 17 to 0 31 bar Light Blue 4 5 to 7 psig 0 31 to 0 48 bar Black Trim Material See Table 3 Select One Standard NN TK TE 1 Pipe nipples and flanges are 316 Stainless steel for flanged body assemblies Bulletin 4 1 1205B specification and the information in each referenced table or figure Specify your choice whenever a selection is offer
10. SA Headquarters Elk River Minnesota 55330 2445 USA Tels 1 763 241 3238 1 800 447 1250 Europe Selmsdorf 23923 Germany Tel 49 38823 31 287 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9499 The distinctive diamond shape cast into every spring case uniquely identifies the regulator as part of the Fisher brand and assures you of the highest quality engineering durability performance and support The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Fisher is a mark owned by Fisher Controls International LLC a business of Emerson Process Management 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 services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purchaser Emerson Process Management Regulator Technologies Inc 2013 2014 All Right
11. ed Adjusting Screw Select One Internal Flat Circular standard External Square Head Available for Green Light blue and Black springs only Steel closing cap is automatically supplied in this option Closing Cap Material Select One Plastic standard not available for Green Light blue and Black springs Steel standard for Green Light blue and Black springs O Stainless steel Body Position See Figure 4 Select One L Position 1 standard Position 2 Position 3 Position 4 Spring Case Orientation Vent Type Select One 0 Spring Case Side Y602 12 standard L Spring Case Down Type Y602 1 Spring Case Up Type Y602 11 Vent Position See Figure 4 Select One L Position A standard Position B Position C Position D 316 Stainless steel Trim Parts Select One 0 Yes No Replacement Parts Kit Optional Yes send one replacement parts kit to match this order 23 Bulletin 74 1 12058 Regulators Quick Order Guide Readily Available for Shipment Allow Additional Time for Shipment Special Order Constructed from Non Stocked Parts Consult your local Sales Office for Availability Availability of the product being ordered is determined by the component with the longest shipping time for the requested construction Industrial Regulators Emerson Process Management Regulator Technologie
12. ne Propylene 20 to 180 F Propylene FEP Diene EPDM 29 to 82 Diaphragm Material 1 Pipe nipples and flanges are 316 Stainless steel for flanged body assemblies Nitronic is a registered trademark of AK Steel Corporation Table 4 Type T205B Flow and Sizing Coefficients ORIFICE SIZE REGULATING Table 5 Flow Rate Conversion U S GPM 8 021 U S GPH 0 1337 SCFH air required Barrels hour 5 615 Barrels day 0 2340 1 To convert to Nm h multiply SCFH by 0 0268 Bulletin 74 1 12058 Table 6 Flow Rate Required due to Thermal Cooling me Gm uem sm NW 2 9 S 1 Flash point is below 100 F 38 C or normal boiling point is below 300 F 149 C Table 7 Correction Factors For Converting Air Flow Rates to Other Gas Flow Rates BLANKET GAS SPECIFIC GRAVITY CORRECTION FACTOR 1 For gases of other specific gravities use equation below 1 00 Correction Factor VSG Sizing Blanketing Systems When sizing a gas blanketing regulator system for Q a low pressure blanketing application consider the replacement of blanketing gas required for the Where Required Flow Rate liquid loss during pump out of the vessel plus the condensation contraction of vessel vapors during ke Flow Rate to replace pumped ut liquid atmospheric thermal cooling Using the established procedures from American Petroleum Institute Required
13. nges caused by varying inlet pressure This design provides smooth opening of the plug for stable flow and greater regulating flow capacity Large Diaphragm Highly sensitive to changes in tank pressure Available in various materials to suit different applications Low Pressure Setting and Fast Speed of Response Applicable for low pressure setting as low as 1 inch water column 2 5 mbar Type T205B reacts quickly in changing tank vapor pressure due to direct operated construction Accurate Control and Small Lockup Pressure Type T205B has large effective diaphragm area that detects small pressure change and provides accurate control at low pressure setting Type T205B is a lever style regulator this regulator style increases force for lockup thus shut off can be attained with small lockup pressure Sour Gas Service Capability Available construction to meet NACE MRO0175 2002 Bulletin 74 1 12058 LEVER PUSHER POST PRESSURE REGISTRATION DIAPHRAGM TYPE Y602 1 VENT Principle of Operation Refer to Figure 2 Type T205B tank blanketing regulator controls the vapor space pressure over a stored liquid When liquid is pumped out of the tank or vapors in the tank condense the pressure in the tank decreases Tank pressure is sensed by the actuator diaphragm Spring force pushes the pusher post assembly the valve disk moves away from the orifice allowing the blanketing gas flow to increase When p
14. nts of NACE 0175 2002 Customers have the responsibility to specify correct materials Environmental limitations may apply and shall be determined by the user Bulletin 74 1 12058 Table 2 Outlet Control Pressure Ranges and Spring Information OUTLET CONTROL PRESSURE RANGE SPRING WIRE DIAMETER SPRING FREE LENGTH mae UU om __ _ m 025 518275 2072 ezere 7010180 Unpaid 1 Do not use Fluorocarbon FKM diaphragm with this spring at diaphragm temperatures lower 60 F 16 2 To achieve the published outlet pressure range the spring case must be installed pointing down Table 3 Available Construction and Trim Materials AVAILABLE CONSTRUCTION MATERIALS AVAILABLE TRIM OPTIONS Lever Body and Diaphragm Assembly Trim Option Casing Head and Bias Code Spring Disk and O ring Operating Temperature Material Ranges Fluorinated Ethylene 20 to 180 F Standard Propylene FEP Nitrile NBR 20 to 82 C 40 to 180 F Gray Gaston Nitrile NBR Nitrile NBR 40 to 82 C WCC Carbon Steel 316 304 302 pow Fluorocarbon FKM Fluorocarbon FKM E ped or CF8M Stainless Stainless Stainless Nitronic 60 CF3M steel steel steel IV Fluorinated Ethylene Fluorocarbon FKM 40 to 180 F eiainless Propylene FEP 4 to 82 steel TK Fluorinated Ethylene Perfluoroelastomer 0 to 180 F Propylene FEP FFKM 18 to 82 Fluorinated Ethylene Ethyle
15. ressure in the tank increases the actuator diaphragm is pushed Through the action of the pusher post assembly lever and valve stem the valve disk moves closer to the orifice reducing blanketing gas flow The regulator plug is balanced inlet pressure creates equal upward and downward forces on these components therefore the outlet control pressure of the unit is not affected by inlet pressure variation Bulletin 74 1 12058 HORIZONTAL PIPELINE VENT POINTED DOWN IEEE PRESSURE C OUTLET PRESSURE ____ ATMOSPHERIC PRESSURE LOADING PRESSURE Figure 3 Type 205 Actuator Casing Drainage Table 1 Body Sizes End Connection Styles and Maximum Allowable Inlet Pressures BODY SIZE BODY MATERIAL END CONNECTION pu INLET PRESSURE ON STYLES e Carbon steel 3 4 or 1 20 or 25 CF8M CF3M Stainless steel 1 All flanges are welded Weld on flange dimension is 14 inches 356 mm face to face 2 Pipe nipples and flanges are 316 Stainless steel for flanged body assemblies Installation Type T205B regulator may be installed in any orientation as long as the flow through the body matches the direction indicated by the arrow on the body To achieve the published capacities at low setpoint the spring case barrel should be installed pointed down as shown in Figure 2 For complete actuator casing drainage regulator should be installed as shown in Figure 3 To keep the ven
16. s Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9000 Europe Bologna 40013 Italy Tel 39 051 419 0611 Middle East and Africa Dubai United Arab Emirates Tel 011 971 4811 8100 Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore 128461 Singapore Tel 65 6770 8337 Europe Bologna 40013 Italy Tel 39 051 419 0611 Chartres 28008 France Tel 33 2 37 33 47 00 Middle East and Africa Dubai United Arab Emirates Tel 011 971 4811 8100 For further information visit www fisherregulators com Specification Worksheet Application Please designate units Specific Use Line Size Fluid Type and Specific Gravity Fluid Temperature Does the Application Require Overpressure Protection Yes No lf yes which is preferred Relief Valve 1 Monitor Regulator L Shutoff Device Is overpressure protection equipment selection assistance desired Pressure Maximum Inlet Pressure Minimum Inlet Pressure Differential Pressure Set Pressure Maximum Flow Q max Performance Required Accuracy Requirements Less than or Equal to 5 10 1 20 Other Requirements L Wide Open TESCOM Emerson Process Management Tescom Corporation U
17. s Reserved gt EMERSON
18. t assembly from being plugged or the spring case from collecting moisture corrosive chemicals or other foreign material point the vent down or otherwise protect it If an indoor installation is required and if hazardous gas service is used the vent should be piped outside External dimensions and connections are shown in Figure 5 Emerson Process Management Regulator Technologies Inc provides an instruction manual with every regulator shipped Refer to this for complete installation operation and maintenance instructions Included is a complete listing of individual parts and recommended spare parts CL 150 RF CL300 RF or PN 16 25 40 RF Overpressure Protection Type T205B regulator has an outlet pressure ratings that are lower than its inlet pressure ratings Install downstream overpressure protection if the inlet pressure can exceed the outlet pressure rating Refer to the Capacity Information section and the relief sizing coefficients in the Specification sections to determine the required relief valve capacity Universal NACE Compliance Optional materials are available for applications handling sour gases These constructions comply with the recommendations of National Association of Corrosion Engineers NACE sour service standards The manufacturing processes and materials used by Emerson assure that all products specified for sour gas service comply with the chemical physical and metallurgical requireme
19. tation should not be exceeded 2 See Table 3 for operating temperature ranges for available trim combinations 3 Pipe nipples and flanges are 316 Stainless steel for flanged body assemblies Introduction Tank blanketing is the process of covering the surface of a liquid stored in a vessel with a gas usually nitrogen and of maintaining a slightly positive pressure in an enclosed storage tank Tank blanketing prevents a stored liquid from vaporizing into the atmosphere reduces liquid combustibility and prevents oxidation or contamination of the liquid by reducing its exposure to air This process is used in various products such as adhesives pharmaceuticals pesticides fertilizers fuels inks and food additives Type T205B balanced tank blanketing regulator Figure 1 is a direct operated regulator with fully balanced plug design to reduce inlet pressure sensitivity and with a large diaphragm to accurately control tank pressure at low pressure settings on tank blanketing systems It uses a control line to sense the pressure in an enclosed storage tank Type T205B maintains a slightly positive pressure and thereby reduces the possibility of tank wall collapse during pump out operation ORIFICE BALANCED TRIM ASSEMBLY VALVE DISK CONTROL SPRING INLET PRESSURE OUTLET PRESSURE ___ ATMOSPHERIC PRESSURE Figure 2 Type T205B Operational Schematic Features Fully Balanced Plug Design Eliminates setpoint cha
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