Emerson T208 Installation Guide
Contents
1. Installation Guide English November 2013 Introduction This installation guide provides instructions for installation startup and adjustment To receive a copy of the instruction manual contact your local Sales Office or view a copy at www fisherregulators com For further information refer to T208 Series Tank Blanketing Vapor Recovery Regulators Instruction Manual D103752X012 P E D Categories This product may be used as a safety accessory with pressure equipment in the following Pressure Equipment Directive 97 23 EC categories It may also be used outside of the Pressure Equipment Directive using sound engineering practice SEP per table below PRODUCT SIZE CATEGORY FLUID TYPE ON 20 and 257 3 4 and 1 inh SEP Specifications Available Configurations Type T208 Tank blanketing vapor recovery regulator with control pressure range of 5 mbar to 0 48 bar 2 inches w c to 7 psig in six different spring ranges and has internal pressure registration requiring no control line Type T208M Similar to Type T208 but has a blocked throat and a control line connection for external pressure registration Body Sizes and End Connection Styles See Table 1 Maximum Allowable Inlet Casing Pressure See Table 1 Maximum Outlet Pressure 2 4 bar 35 psig Maximum Emergency Inlet Pressure to Avoid Internal Parts Damage With Nitrile NBR or Fluorocarbon FKM diaphragm 2 4 bar 35 psig With Fluorinated Ethylene Propyl2. e 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 Ss EMERSON Emerson Process Management Regulator Technologies Inc 2013 All Rights Reserved
3. ene FEP diaphragm 1 4 bar 20 psig Control Pressure Ranges See Table 2 Shutoff Classification per ANSI FCI 70 3 2004 Class VI Soft Seat Pressure Registration Type T208 Internal Type T208M External T208 Series Material Temperature Capabilities Nitrile NBR 29 to 82 C 20 to 180 F Fluorinated Ethylene Propylene FEP 29 to 82 C 20 to 180 F Fluorocarbon FKM 4 to 149 C 40 to 300 F Ethylene Propylene Diene EPDM 29 to 107 C 20 to 225 F Perfluoroelastomer FFKM 18 to 149 C 0 to 300 F Installation Only qualified personnel shall install or service a regulator Regulators should be installed operated and maintained in accordance with international and applicable codes and regulations and Emerson Process Management Regulator Technologies Inc Regulator Technologies instructions If the regulator vents fluid ora leak develops in the system it indicates that service is required Failure to take the regulator out of service immediately may create a hazardous condition Personal injury equipment damage or leakage due to escaping fluid or bursting of pressure containing parts may result if this regulator is overpressured or is installed where service conditions could exceed the limits given in the Specifications section or where conditions exceed any ratings of the adjacent piping or piping connections To avoid such injury or damage provide pressure relieving o
4. ert 47 Drive screw 2 required 19 Upper spring seat 48 Flow arrow 20 Lock Nut 49 Backup Ring 22 Closing Cap 50 Lower Spring Seat 23 Hex Nut 8 required 51 NACE Tag not shown 24 Cap Screw 8 required 52 Tag Wire not shown 25 Closing Cap Gasket 1 For proper operation to achieve the published capacities at low setpoint the spring case barrel should be installed pointed down as shown in Figure 1 2 Use for optional external square head adjusting screw assembly recommended for 62 to 172 mbar 0 9 to 2 5 psig 90 to 310 mbar 1 3 to 4 5 psig and 0 26 to 0 48 bar 3 8 to 7 psig spring ranges only T208 Series jG 44 49 1 41 Lt 2 Caz Gs 8 G8 G0 a Sf Ses lt i toni ni BZA EN T lt lt Ca Eo ae Sy a Kg A E AT ee TYPE T208 ASSEMBLY WITH INTERNAL PRESSURE REGISTRATION 11 42 44 GG Lt Go G2 G7 Ge Ce 48 Go AK IS ERSA02737 INN pie ALLY See BS ca _ Zz TTT es Z LN D gt X E NAN OHO OHA OLIO OOM OAC ERSA02738 TYPE T208M ASSEMBLY WITH EXTERNAL PRESSURE REGISTRATION OGOOGO OIY M QOOO ERSA02737 EXTERNAL SQUARE HEAD ADJUSTING SCREW ASSEMBLY OPTION O APPLY LUBRICANT L1 SILICONE GREASE L2 ANTI SEIZE COMPOUND 1 Lubricants must be selected such that they meet the temperature requireme
5. ng the regulator beneath eaves or downspouts and be sure it is above the probable snow level Overpressure Protection Recommended pressure limitations are stamped on the regulator nameplate Vapor recovery regulators are used to maintain a constant inlet blanket pressure with the outlet flowing to a system whose pressure is lower than that at the inlet The recovery regulators are not intended to be used as an ASME certified relief device for overpressure protection on a tank They are to be used as part of a gas blanketing system to control outflow of blanketing gas under normal conditions and collect tank vapors for the vapor disposal reclamation system Provide alternate methods of emergency overpressure protection Startup The regulator is factory set at approximately the midpoint of the spring range or the pressure requested so an initial adjustment may be required to give the desired results With proper installation completed and relief valves properly adjusted slowly open the upstream and downstream shutoff valves Adjustment To change the control pressure perform the following procedure Recommended Spare Part For internal flat circular adjusting screw 1 Remove the closing cap key 22 2 Use a 25 mm 1 inch hex rod or flat screwdriver to turn the adjusting screw key 35 either clockwise to increase control pressure or counterclockwise to decrease control pressure The regulator will go into immedia
6. nts 2 For 62 to 172 mbar 0 9 to 2 5 psig 90 to 310 mbar 1 3 to 4 5 psig and 0 26 to 0 48 bar 3 8 to 7 psig spring ranges only Figure 1 T208 Series Assembly T208 Series Table 1 Body Sizes End Connection Styles and Maximum Allowable Inlet Casing Pressures an a SIZE MAXIMUM ALLOWABLE INLET CASING PRESSURE BODY MATERIAL END CONNECTION i a a ee ae TT eEEe 20 or 25 3 4 or 1 WCC Carbon steel Carbon steel NPT CL150 RF CL300 RF CF8M CF3M Stainless steel or PN 16 25 40 RF 1 All flanges are welded Weld on flange dimension is 356 mm 14 inches face to face 2 Pipe nipples and flanges are 316 Stainless steel for flanged body assemblies Table 2 Control Pressure Ranges and Spring Information shar sheen SPRING PART NUMBER SPRING COLOR a nr stoi 207 1653827052 ra 22 oos o2 so 1 To achieve the published control pressure range the spring case must be installed pointing down 2 Do not use Fluorocarbon FKM diaphragm with this spring at diaphragm temperatures lower than 16 C 60 F Table 3 Operating Temperature Ranges for Available Trim Combination Oooow O oee Fuorocarbon FKM Ato 149 C 40t0 300 F mn Fuorinated Ethylene Propylene FEP Nirle NeR 201082C12010180F ooo w Fluorinated Ethylene Propylene a TKN 4 to 82 C 40 to 180 F Po K O Fluorinated Ethylene Propylene FEP Perfluoroelastomer FFKM 18 to 82 C 0 to 180 F TE Flu
7. orinated Ethylene Propylene FEP Ethylene Propylene Diene EPDM 29 to 82 C 20 to 180 F Industrial Regulators 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 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 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 TESCOM Emerson Process Management Tescom Corporation USA 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 a case uniquely identifies the regulator as part of the kd Fisher brand and assures you of the highest quality For further information visit www fisherregulators com engineering durability performance and support The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are th
8. r pressure limiting devices as required by the appropriate code regulation or standard to prevent service conditions from exceeding limits Additionally physical damage to the regulator could result in personal injury and property damage due to escaping fluid To avoid such injury and damage install the regulator in a safe location 1 The pressure temperature limits in this Installation Guide and any applicable standard or code limitation should not be exceeded 2 See Table 3 for operating temperature ranges for available trim combinations www fisherregulators com MAS EMERSON D103752xX014 T208 Series Clean out all pipelines before installation of the regulator and check to be sure the regulator has not been damaged or has collected foreign material during shipping For NPT bodies apply pipe compound to the external pipe threads For flanged bodies use suitable line gaskets and approved piping and bolting practices Install the regulator in any position desired unless otherwise specified but be sure flow through the body is in the direction indicated by the arrow on the body Note It is important that the regulator be installed so that the vent hole in the spring case is unobstructed at all times For outdoor installations the regulator should be located away from vehicular traffic and positioned so that water ice and other foreign materials cannot enter the spring case through the vent Avoid placi
9. te operation To ensure correct operation always use a pressure gauge to monitor the vapor recovery pressure when making adjustments 3 After making the adjustment replace the closing cap gasket key 25 and install the closing cap key 22 For external square head adjusting screw 1 Loosen the locknut key 20 2 Turn the adjusting screw key 35 either clockwise to increase control pressure or counterclockwise to decrease control pressure Always use pressure gauge to monitor the vapor recovery pressure when making adjustments 3 After making the adjustment tighten the locknut key 20 Taking Out of Service Shutdown To avoid personal injury resulting from sudden release of pressure isolate the regulator from all pressure before attempting disassembly Parts List Key Description Key Description 1 Body 26 Vent Assembly 2 Cap Screw 2 required 27 Pipe Plug 3 Spring Case Type T208 only 4 Lower Casing 30 Stem Seal O ring 5 Orifice Type T208M only 6 Spring 31 Throat Seal O ring 7 Diaphragm Head Type T208M only 2 required 34 Machine Screw 8 Pusher Post Type T208M only 9 Diaphragm Gasket 35 Adjusting Screw 10 Diaphragm 36 Washer 11 Body Seal O ring 38 Cap Screw 12 Insert Seal O ring 41 Back Disk Spring 13 Disk Assembly 42 Back Body Seal O ring 14 Stem 43 Back Body Cap 16 Lever Assembly 44 Disk Spacer 17 Machine Screw 45 Diaphragm Head Gasket 2 required 46 Nameplate 18 Guide Ins
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