Emerson ACE95Sr Instruction Manual
Contents
1. SSSSSSSSSSSSSSSSSSSSSSSS 7 A Ke m G GD a 2 62 LOCATE GROOVE IN LOWER CAGE FOR ROLLING DIAPHRAGM BEAD NOT REQUIRED IN ALL ASSEMBLIES L APPLY LUB SEALANT Figure 8 Type ACE95 Tank Blanketing Valve GE03297 14 ACE95 Series 15 OOOO ae HE STS S a A Y Sila ia H YI Y AU SERS a SN i AN S U Y A ANY 100060 UN LOCATE GROOVE IN LOWER CAGE FOR ROLLING DIAPHRAGM BEAD Figure 9 Type ACE95Sr Tank Blanketing Valve GROOVE IN LOWER CAGE FOR ROLLING DIAPHRAGM ACE95 Series Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai China 201206 Tel 86 21 2892 9000 Europe Bologna Italy 40013 Tel 39 051 4190611 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 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore Singapore 128461 Tel 65 6777 8211 Europe Bologna Italy 40013 Tel 39 051 4190611 Gallardon France 28320 Tel 33 0 2 37 33 47 00 TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk Rive2. CONTROL PRESSURE RANGE SPRING MATERIAL SPRING FREE LENGTH SPRING WIRE DIAMETER INCH mm INCH mm i AES L j 2 75 69 9 0 080 2 03 5 to 0 5 inches w c 12 to 1 mbar Stainless Steel 0 88 22 4 0 085 2 16 2 75 69 9 0 080 2 03 1 to 1 inches w c 2 to 2 mbar Stainless Steel 1 60 40 6 0 065 1 65 0 5 to 5 inches w c 1 to 12 mbar Stainless Steel 2 75 69 9 0 080 2 03 4 to 10 inches w c 10 to 25 mbar Stainless Steel 2 00 50 8 0 112 2 84 8 to 15 inches w c 20 to 37 mbar Stainless Steel 2 00 50 8 0 125 3 18 0 5 to 1 5 psig 0 03 to 0 10 bar Stainless Steel 2 75 69 9 0 225 5 72 1 The second spring is located under the diaphragm assembly Principle of Operation ACE95 Series tank blanketing valves are pilot operated activated by the diaphragm and control the vapor space pressure over a stored liquid The unit is controlled by a very large diaphragm actuator The oversized actuator offers high sensitivity to changes in tank pressure When a storage tank cools and tank vapors condense ACE95 Series valves replace the condensing vapors with an inert gas to prevent internal tank pressure from decreasing Positive tank pressure prevents outside air from contaminating the product and reduces the possibility of atmospheric pressure collapsing the tank As demand is satisfied the valve closes ORIFICE a INLET PRESSURE EZZ TANK PRESSURE IN
3. 129 8 9 81 5 6 37 2 6 140 9 7 139 9 6 88 6 1 5 3 1 150 10 3 149 10 3 96 6 6 3 3 7 160 11 0 159 11 0 104 7 2 0 4 1 170 11 7 169 11 7 111 7 7 8 4 7 180 12 4 179 12 3 119 8 2 75 5 2 190 13 1 189 13 0 127 8 8 83 5 7 200 13 8 199 13 7 134 9 2 91 6 3 Table 6 Type ACE95 Diagnostics Table C 7 5 and 10 Inlet Pressure Range Spring 25 to 50 psig 1 7 to 3 4 bar ACTUAL INLET SUPPLY DIAGNOSTIC PORT PRESSURE PRESSURE TO VALVE When Pilot Starts When Main Valve Starts When Main Valve is PSIG bar to Open Psig bar to Open Psig bar Fully Open Psig bar 25 1 7 24 1 7 11 0 76 0 0 0 30 2 1 29 2 0 14 0 97 3 0 21 35 2 4 34 2 3 17 1 2 6 0 41 40 2 8 39 2 7 21 1 4 9 0 62 45 3 1 44 3 0 24 1 7 13 0 90 50 3 4 49 3 4 27 1 9 16 1 1 Actuator Diaphragm Disassembly 1 Disassemble the diaphragm by unthreading the diaphragm retaining nut key 13 from the diaphragm bolt key 15 Remove the upper and lower diaphragm plates keys 10 and 48 and the diaphragm key 11 The actuator gasket key 12 sits on top of the diaphragm In cases where the pressure range is positive the upper diaphragm plate is larger than the lower diaphragm plate Remove the internal bonnet screws and lock washers keys 28 and 29 that attach the lower actuator case key 30 to the bonnet Remove the lower act
4. NPS 3 4 body NPS 1 DN 25 body Hex Head Pipe Plug Lower Range Spring e EPDM FDA FFKM Type ACE95 Only Part Number GC070429X32 GC060906X02 GC060906X02 GC060905X02 1A3917X0062 GC060224X12 GC260105X02 GC260105X32 1A3457K0012 GC060220X02 GC260102X02 GC260102X12 GC053209X02 GC053002X02 GC220707X22 GC053202X02 GC071101X02 GC071101X22 GC071101X12 GC071101X32 1D2888X0032 1D2888X0042 1D2888X0052 1D2888X0022 GC053001X02 10A0042X052 10A0042X072 10A0042X012 10A0042X062 GC053201X02 10C1269X022 10C1269X012 GC260113X02 GC260104X02 GC050505xX22 GC060224X12 GC060905X02 1H991206992 1R3971X0012 1R397106382 1R3971X0022 1A771535072 1A7947X0022 1A767535072 neg pressure range only used with upper spring key 8 1 0 to 1 0 inches w c 2 to 2 mbar 5 to 0 5 inches w c VAC 12 to 1 mbar Sealant Lubricant GC220717X22 GC220710X22 13 ACE95 Series 4 D Z H 4 D Z Z L 5 y D D 7 A D D d A ZZA f AL r N 4 ea ZA a Y E Y INDRA Ne SES AS Ee H h S 7 SS A Am A Mez WMA A AZAR A WH N a RR WEIN WWW N I 2 o Pa ROS y H H H D DH DH H D H y y y D D D D 4 L Y 4 D D D D L D D D L D D Z D D D D D Z Y y D D D Q nk 162 Joz IESS
5. 3 129 8 9 86 5 9 160 11 0 159 11 0 138 9 5 95 6 6 170 11 7 169 11 7 147 10 1 104 7 2 180 12 4 179 12 3 156 10 8 113 7 8 190 13 1 189 13 0 165 11 4 122 8 4 200 13 8 199 13 7 174 12 0 134 9 2 POPPET STEM KEY 42 x CROSS DRILLED HOLE UPPER CAGE KEY 40 W8161 ROLLING DIAPHRAGM KEY 38 O RING KEY 39 A PISTON KEY 37 LOWER CAGE KEY 35 Figure 6 Cage Sub Assembly key 11 and align the holes with those on the lower actuator case key 30 If it was removed place the spring case gasket key 9 between the spring case key 7 and upper actuator case key 33 before attaching the spring case to the upper actuator case Attach the spring case to the upper actuator case with hex head screws key 32 Place the range spring key 8 and spring seat key 5 onto the diaphragm sub assembly over the diaphragm retaining nut key 13 Place the upper actuator case key 33 over the range spring key 8 spring seat key 5 and the lower actuator case key 30 8 Build the actuator case by installing hex head screws lock washers and nuts keys 32 28 and 31 into the upper and lower actuator cases keys 33 and 30 Use a washer key 47 on steel cases 9 Thread the range spring adjusting screw key 2 in about halfway 10 Tighten all nuts key 31 uniformly 11 Reinstall the valve according to the i
6. 7 6 109 7 5 93 6 4 64 4 4 120 8 3 119 8 2 102 7 0 73 5 0 Note Use soft jawed pliers to restrain the main valve key 25 while applying Loctite 222 or equivalent to the threads of the screw key 20 Main Valve Sub Assembly 1 Prepare the main piston key 25 by installing the plug and O ring keys 22 and 23 with the screw key 20 and lock washer key 21 Apply Loctite 222 or equivalent to the screw threads Install the main valve spring key 26 spring shim key 34 25 50 psig 1 7 3 4 bar Type ACE95 only and spring guide valve key 49 25 50 psig 1 7 3 4 bar 51 120 psig 3 5 8 3 bar Type ACE95Sr only into the piston key 25 Place the main valve sub assembly piston spring and plug keys 25 26 and 22 into the body key 18 4 Place an O ring key 19 into the body key 18 Body Sub Assembly 1 Place the bonnet key 17 onto the body key 18 and main valve key 25 Press firmly to seat the bonnet O ring joint Attach the bonnet key 17 to the body key 18 with four cap screws and lock washers keys 28 and 29 Type ACE95 or keys 50 and 51 Type ACESr Place the actuator O ring key 53 Type ACE95 or gasket key 27 Type ACE95Sr and the lower actuator case key 30 onto the bonnet key 17 4 Install lock washers key 28 and hex head screws key 29 5 Tighten all hex head screws key 29 uniformly Diaphragm Sub Assembly 1 Place an O
7. NPS 1 DN 25 CL150RF NPS 1 DN 25 CL300RF NPS 1 DN 25 PN16 25 40RF NPS 1 x 2 DN 25 x 50 CL150RF NPS 1 x2 DN 25 x 50 PN16 25 40RF NPS 1 DN 25 Sanitary Flange Type ACE95Sr Angled Body 2 NPT NPS 2 DN 50 CL150RF NPS 2 DN 50 CL300RF Maximum Operating Inlet Pressure 200 psig 13 8 bar Maximum Outlet casing Pressure 20 psig 1 4 bar Maximum Operating Outlet Pressure 1 5 psig 0 10 bar Control Pressure Ranges 5 0 inches w c to 1 5 psig 12 mbar to 0 10 bar see Table 1 Pressure Registration External Accuracy Typically within 0 5 inches w c 1 mbar when flowing 5 to 70 percent of advertised capacities Main Valve Flow Characteristic Linear Flow Coefficients for Relief Valve Sizing Type ACE95 Type ACE95Sr C 1 useC 1 1 C 20 use C 22 C 2 use C 2 2 C 45 use C 50 C 4 use C 4 4 C 60 use C 66 C 7 5 use C 9 25 C 10 use C 11 Material Temperature Capabilities Nitrile NBR 20 to 180 F 29 to 82 C Fluorocarbon FKM 0 to 212 F 18 to 100 C Ethylenepropylene EPDM FDA 20 to 212 F 29 to 100 C Perfluoroelastomer FFKM 20 to 212 F 29 to 100 C Approximate Weights With all accessories Type ACE95 40 pounds 18 kg Type ACE95Sr 60 pounds 27 kg Various Single Array Manifold SAM tank connections are also available Contact your local Sales Office for more information Table 1 Control Pressure Ranges
8. Steel GC053301X32 2 Adjusting Screw 0 5 to 5 inches w c 1 to 12 mbar GC060216X12 4 to 10 inches w c 10 to 25 mbar GC060216X12 8 to 15 inches w c 20 to 37 mbar GC060216X12 0 5 to 1 5 psi 0 03 to 0 10 bar GC060221X12 1 0 to 1 0 inches w c 2 to 2 mbar GC060216X12 5 to 0 5 inches w c VAC 12 to 1 mbar GC060216X12 3 Lock Nut GC060313X02 4 O Ring Nitrile NBR 1F463606992 Ethylenepropylene EPDM FDA 1F4636X0082 Fluorocarbon FKM 1N571406382 Perfluoroelastomer FFKM 1F4636X0052 5 Spring Seat GC050502x02 6 Vent Type Y602 A12 27A5516X012 7 Spring Case Stainless Steel GC053101X02 Steel GC053101X32 8 Range Spring 0 5 to 5 inches w c 1 2 to 12 4 mbar GC220701X22 4 to 10 inches w c 10 to 25 mbar GC220702X22 8 to 15 inches w c 20 to 37 mbar GC220703X22 0 5 to 1 5 psi 0 03 to 0 10 bar GC220708X22 1 0 to 1 0 inches w c 2 to 2 mbar GC220701X22 5 to 0 5 inches w c VAC 12 to 1 mbar GC220701X22 9 Gasket spring tower GC070428X02 10 Diaphragm Plate upper GC260104X02 11 Diaphragm main FEP GC070234X72 12 Gasket actuator GC070427X02 13 Diaphragm Retaining Nut GC053215X02 Recommended Spare Part 12 w8160 PISTON MAIN KEY 25 O RING KEY 24 Figure 7 Typical Main Valve and Spring Type ACE95Sr shown Key Description 14 O Ring Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM 15 Diaphragm Bolt 16 O Ring 2 required Nitrile NB
9. parts inspect for unusual wear and lightly lubricate all O rings and the groove that locates the rolling diaphragm bead See Figures 8 and 9 Bonnet Sub Assembly Prepare the bonnet key 17 by installing two 2 internal O rings key 16 Pilot Cage Sub Assembly Refer to Figures 6 8 and 9 when performing pilot cage sub assembly operations 1 Apply Loctite 222 or equivalent to the piston threads Place the rolling diaphragm key 38 over the threaded portion of the piston key 37 Position the bead as shown in Figure 6 2 Thread the poppet key 42 onto the piston key 37 Use soft jawed pliers to restrain the piston so it is not damaged Do not hold the poppet by the poppet stem Insert a small drill bit into the cross drilled hole on the poppet stem key 42 to turn and tighten 3 Slide the O ring key 39 onto the poppet key 42 cage key 40 5 Press the lower cage key 35 and upper cage key 40 together to ensure the groove in the lower cage engages the bead on the rolling diaphragm key 38 Note Ensure that the rolling diaphragm bead is positioned so that it sits in the groove of the lower cage see Figures 8 and 9 If it does not the rolling diaphragm was installed upside down in Cage Sub Assembly step 2 6 Remove the lower cage key 35 7 Lubricate the piston key 37 and lower cage key 35 groove 8 Install the pilot spring key 36 into the piston key 37 and re install the
10. relies on the relationship of pilot pressure and pressure in the main valve chambers see Figure 3 The basic relationships are as follows In order to evaluate a valve examine the valve nameplate to determine the C and inlet pressure range main valve spring The inlet pressure gauge indicates actual pressure supplied to the valve Follow these steps and refer to the diagnostics tables on the following pages to evaluate a valve under actual operating conditions 1 Select the Table Tables 3 through 8 that corresponds to the C and inlet pressure range of your valve 2 Determine the actual valve operating inlet pressure in the first column of the diagnostics table Table 2 Diagnostic Analysis Pressure Ranges DIAGNOSTIC PRESSURE CHAMBER STATUS Pilot and main valves are closed Equal to inlet supply pressure Tank at or above set pressure Pilot valve supplies gas to tank Tank pressure is just below set pressure Slightly below inlet supply pressure Pilot and main valves are both supplying gas to the tank Tank pressure is below setpoint Well below inlet supply pressure 3 In the second column of the table determine the pressure of the pilot as it opens 4 Determine the diagnostic pressure for the start to open pressure of the main valve in the third column 5 The fourth column displays the diagnostic pressure for the full open pressure of the main valve There are four press
11. ring key 14 into the groove of the diaphragm bolt key 15 Build the diaphragm sub assembly with the lower diaphragm plate key 48 diaphragm key 11 and upper diaphragm plate key 10 Fasten the plates together with the diaphragm bolt key 15 and the diaphragm retaining nut key 13 The diaphragm retaining nut sits on the upper diaphragm plate Apply Loctite 222 or equivalent to the diaphragm bolt Note Two different diaphragm plates are used when the pressure range is positive In cases where the pressure range is positive the upper diaphragm plate key 10 is larger than the lower diaphragm plate key 48 If you are using a negative spring range install the lower range spring key 162 into the lower actuator case key 30 Place the diaphragm sub assembly into the lower actuator case key 30 with the diaphragm retaining nut key 13 on top Place the actuator gasket key 12 on top of the diaphragm ACE95 Series Table 11 Type ACE95Sr Diagnostics Table C 20 through 60 Inlet Pressure Range Spring 121 to 200 psig 8 3 to 13 8 bar ACTUAL INLET SUPPLY DIAGNOSTIC PORT PRESSURE PRESSURE TO VALVE When Pilot Starts When Main Valve Starts When Main Valve is PSIG bar to Open Psig bar to Open Psig bar Fully Open Psig bar 121 8 3 120 8 3 103 7 1 60 4 1 130 9 0 129 8 9 111 7 7 68 4 7 140 9 7 139 9 6 120 8 3 77 5 3 150 10 3 149 10
12. service conditions from exceeding those limits Additionally physical damage to the tank blanketing system could result in personal injury and property damage due to escaping accumulated gas To avoid such injury and damage install the tank blanketing valve in a safe location ACE95 Series BLANKETING GAS SUPPLY LINE SHUTOFF VALVE LINE STRAINER E SENSING LINE XK SHUTOFF VALVE EX SHUTOFF VALVE TANK VENT BLANKETING GAS TO TANK EMERGENCY TANK VENT GAS SL E0623 Figure 4 ACE95 Series Tank Blanketing Valve Installation This ACE95 Series valve was assembled and preset to the customer specified pressure and setpoint The control pressure range of the valve is stamped on the nameplate fastened to the upper actuator case The gas blanketing setpoint is the only adjustable feature on this unit 1 Use qualified personnel when installing operating and maintaining valves Before installing inspect the valve and tubing for any shipment damage or foreign material that may have collected Make certain the body interior is clean and the pipelines are free of foreign material Apply pipe compound only to the male pipe threads with a threaded body or use suitable line gaskets and good bolting practices with a flanged body 2 Inspect the nameplate on
13. the upper actuator case It displays the model number serial number a blanketing gas supply pressure range and the maximum inlet pressure and set pressure These must agree with the system that you are blanketing The serial number will be needed in any communication with your local Sales Office 3 Clean the gas blanketing supply lines of all dirt and foreign material before connecting them to the ACE95 Series tank blanketing valve 4 The valve must be mounted so the actuator case is horizontal The valve should be mounted above the tank Three connections are required a blanketing gas supply to valve b valve outlet to tank and c sensing line to tank Piping Considerations Undersized piping may inadequately deliver blanketing gas at the specified inlet pressure under full flow conditions This may result in unacceptable performance under high demand conditions Unnecessarily long or restricted outlet piping may result in poor setpoint control Inlet Piping The blanketing gas supply line should be equipped with a Number 100 mesh strainer to remove dirt and pipe scale Inlet piping must be sized to adequately deliver blanketing gas at the specified inlet pressure under full flow conditions Outlet Piping Type ACE95 or Type ACE95Sr valve outlet is piped into the tank vapor space Outlet piping must be full size and self draining to the tank The valve should be situated above and as close as possible to the tank v
14. 0714X22 GC220712X22 GC220713X22 Key 27 28 29 30 39 40 41 42 43 48 49 50 53 138 139 162 168 169 ACE95 Series Description Gasket bonnet actuator Type ACE95Sr Only Lock Washer Type ACE95 28 required Type ACE95Sr Actuator Flange 20 required Actuator to Bonnet 4 required Hex Head Machine Screw Type ACE95 8 required Type ACE95ST 4 required Actuator Case lower Stainless Steel Steel Hex Nut 20 required Hex Head Machine Screw 24 required Actuator Case upper Stainless Steel Steel Spring Shim Type ACE95 only 25 to 50 psig 1 7 to 3 4 bar Lower Cage Spring cage Piston pilot Rolling Diaphragm Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM O ring Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM Cage upper O Ring Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM Pilot poppet Pilot Filter optional not shown Aluminum Stainless Steel Diaphragm Plate lower Positive Spring Range 3 inch 76 mm diameter Negative Spring Range 9 inch 229 mm diameter Spring Guide Type ACE95Sr only 25 to 50 psig 1 7 to 3 4 bar 51 to 120 psig 3 5 to 8 3 bar Hex Head Cap Screw 4 required Lock Washer 4 required O ring Type ACE95 Only Nitrile NBR Ethylenepropylene Fluorocarbon FKM Perfluoroelastomer Hex Head Pipe Plug
15. 7 1 2 50 3 4 49 3 4 28 1 9 21 1 4 Table 4 Type ACE95 Diagnostics Table C 1 through 4 Inlet Pressure Range Spring 51 to 120 psig 3 5 to 8 3 bar ACTUAL INLET SUPPLY DIAGNOSTIC PORT PRESSURE PRESSURE TO VALVE When Pilot Starts When Main Valve Starts When Main Valve is PSIG bar to Open Psig bar to Open Psig bar Fully Open Psig bar 51 3 5 50 3 4 29 2 0 5 0 35 60 4 1 59 4 1 36 2 5 12 0 83 70 4 8 69 4 8 43 3 0 19 1 3 80 5 5 79 5 4 51 3 5 27 1 9 90 6 2 89 6 1 59 4 1 34 2 3 100 6 9 99 6 8 66 4 6 42 2 9 110 7 6 109 7 5 74 5 1 50 3 4 120 8 3 119 8 2 81 5 6 57 3 9 Disassembly and Assembly Note Have your model number serial number WN CAUTION inlet pressure and set pressure range C value and tank vent relief setting Before removing the valve from the line available when ordering parts Valve ensure that it is isolated from the gas information is on the nameplate on the supply pressure and that all pressure upper actuator case has been released from the valve The drain on the inlet filter is convenient Disassembly to bleed off gas All tank connections must be closed or sealed in accordance N WARNING with your plant s operating and safety procedures If installed electrical To avoid personal injury resulting from connections to the explosion proof sudden release of pressure isolate the s
16. Instruction Manual Form 5667 May 2010 ACE95 Series Type ACE95 and Type ACE95Sr Tank Blanketing Valves wW9133 Figure 1 Type ACE95 Tank Blanketing Valve Introduction Scope of the Manual This instruction manual provides installation startup and maintenance procedures for the ACE95 Series Type ACE95 and Type ACE95Sr tank blanketing valves See Figures 1 and 2 Product Description ACE95 Series tank blanketing valves are self contained balanced pilot operated and used for accurate pressure control on gas blanketing systems These valves help control emissions and provide protection against atmospheric contamination ACE95 Series valves www fisherregulators com W8155 Figure 2 Type ACE95Sr Tank Blanketing Valve maintain a positive pressure and thereby reduce the possibility of tank wall collapse during pump out operations in addition to preventing liquid from vaporizing into the atmosphere Specifications The following page lists specifications and ratings for ACE95 Series tank blanketing valves Factory specifications are stamped on a nameplate fastened to the upper actuator case of the valve a EMERSON Process Management D102775X012 ACE95 Series Specifications Body Sizes and End Connection Styles Type ACE95 Angled Body 3 4 NPT 1 NPT NPS 1 DN 25 CL150RF NPS 1 DN 25 CL300RF NPS 1 DN 25 PN16 25 40RF NPS 1 DN 25 Sanitary Flange In Line Body 3 4 NPT 1 NPT
17. KM Perfluoroelastomer FFKM Type ACE95 C 7 5 and 10 Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM Type ACE95Sr C 20 through 60 Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM 25 Piston main valve Type ACE95 C 1 through 4 Type ACE95 C 7 5 and 10 Type ACE95Sr C 20 through 60 26 Spring main valve Type ACE95 C 1 through 4 25 to 50 psig 1 7 to 3 4 bar C 1 through 4 51 to 120 psig 3 5 to 8 3 bar C 1 through 4 121 to 200 psig 8 3 to 13 8 bar C 7 5 and 10 25 to 50 psig 1 7 to 3 4 bar C 7 5 and 10 51 to 120 psig 3 5 to 8 3 bar C 7 5 and 10 121 to 200 psig 8 3 to 13 8 bar Type ACE95Sr C 20 through 60 25 to 50 psig 1 7 to 3 4 bar C 20 through 60 51 to 120 psig 3 5 to 8 3 bar C 20 through 60 121 to 200 psig 8 3 to 13 8 bar Recommended Spare Part Part Number GC053206X02 GC053205X02 GC053204X02 GC053213X02 GC053212X02 GC053220X02 GC053221X02 GC053218X02 1D2888X0032 1D2888X0042 1D2888X0052 1D2888X0022 18A1088X022 18A1088X042 18A1088X052 18A1088X032 1C628006992 1C6280X0102 1C6280X0012 1C6280X0092 10782206992 1C7822X0122 1C7822X0132 1C7822X0112 1D2375X0062 1D2375X0082 1D237506382 1D2375X0072 1D785306992 1D7853X0032 1D7853X0042 1D7853X0012 GC053203X02 GC053211X02 GC053219X02 GC220704X22 GC220705X22 GC220706X22 GC220705X22 GC220706X22 GC220709X22 GC22
18. LET BLEED PRESSURE C ATMOSPHERIC PRESSURE DIAGNOSTIC PORT PILOT VALVE OPEN ROLLING DIAPHRAGM PILOT SPRING ACE95 Series RANGE SPRING SENSING le Line ee AR va pen J Figure 3 ACE95 Series Operational Schematic valve open ACE95 Series valves respond to slight decreases in internal tank pressure by opening and increasing the flow rate of inert gas into the tank When the tank s liquid level has been lowered to the desired point and the vapor pressure setpoint is re established the valve closes Installation and Startup Personal injury equipment damage or leakage due to escaping accumulated gas or bursting of pressure containing parts may result if this gas blanketing system is overpressured or installed where service conditions could exceed the limits given in the Specifications section and on the appropriate nameplate or where conditions exceed any ratings of the adjacent piping or piping connections To avoid such injury or damage provide pressure relieving or pressure limiting devices as required by Title 49 Part 192 of the U S Code of Federal Regulations by the National Fuel Gas Code Title 54 of the National Fire Codes of the National Fire Protection Agency or by other applicable codes to prevent
19. R Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM 17 Bonnet C 1 through 4 C 7 5 and 10 C 20 through 60 18 Body C 1 through 4 3 4 NPT 1 NPT C 7 5 and 10 1 NPT C 20 through 60 2 NPT 19 O Ring Type ACE95 Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM Type ACE95Sr Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM 20 Round Head Machine Screw Type ACE95 Type ACE95Sr 21 Lock Washer Type ACE95 Type ACE95Sr Part Number GC070173X02 GC070173X52 GC070173X12 GC070173X62 GC053210X02 1F 115306992 1F1153X0062 1F1153X0022 1F1153X0032 GC050929X12 GC050929X02 GC050919X62 GE02625X012 GE02623X012 GE02627X012 GC050927X62 10415706992 104157X0092 104157X0032 104157X0082 1F3581X0082 1F3581X0102 1F3581X0022 1F3581X0092 1A3776X0012 GC060225X02 GC060903X02 GC060906X02 Key Description 22 Plug Type ACE95 Type ACE95Sr C 20 C 45 C 60 23 O Ring Type ACE95 C 1 through 4 Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM Type ACE95 C 7 5 and 10 Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM Type ACE95Sr C 20 through 60 Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon FKM Perfluoroelastomer FFKM 24 O Ring Type ACE95 C 1 through 4 Nitrile NBR Ethylenepropylene EPDM FDA Fluorocarbon F
20. apor space for best performance Sensing Line The sensing line should be 1 2 inch 13 mm tubing or pipe must slope down toward the tank and should not contain low points or traps that could catch liquid The sensing line must enter the tank above the liquid level at a point that senses the vapor space pressure and is free from turbulence associated with tank nozzles or vents Note Best control is obtained when both connections to the tank are separate If the tank has only one available nozzle contact Emerson for alternate methods of installation A single array manifold is available for such situations Gauges and Shutoff Valves Inlet gas shutoff valves are desirable for servicing If this ACE95 Series tank blanketing valve was not ordered with an inlet pressure gauge it is advisable to install a gauge between the inlet shutoff valve and the blanketing valve Note Safety considerations may dictate full port shutoff valves between the tank and blanketing valve and at the valve inlet Startup Adjustment and Shutdown Note Tank vents and safety relief valves must be in place and operating Always open the outlet valve before the inlet valve Operation in the reverse order could result in inlet pressure being applied to the actuator casing potentially damaging it Startup 1 Open shutoff valves between the blanketing valve and the tank both sensing and outlet See Figure 4 2 Slowly open the su
21. ealant Loctite PST 592 Polytetrafluoroethylene PTFE Tape or equivalent Adhesive Loctite 222 or equivalent Be certain that nameplates are updated to accurately indicate any field changes in equipment materials service conditions or pressure settings Monthly Maintenance 1 Visually inspect the unit to ensure tight connections tight seals and safe operation 2 Observe the blanketing pressure 3 Inspect the inlet pressure for the proper pressure range stamped on the valve nameplate Annual Maintenance 1 Visually inspect the unit to ensure tight connections tight seals and safe operation 2 Observe the blanketing pressure 3 Inspect the inlet pressure for the proper pressure range stamped on the valve nameplate 4 Visually inspect valve for any external wear 5 If there is evidence of leakage or unstable internal motion a rebuild with seal replacement and relubrication may be in order ACE95 Series Table 3 Type ACE95 Diagnostics Table C 1 through 4 Inlet Pressure Range Spring 25 to 50 psig 1 7 to 3 4 bar ACTUAL INLET SUPPLY DIAGNOSTIC PORT PRESSURE PRESSURE TO VALVE When Pilot Starts When Main Valve Starts When Main Valve is PSIG bar to Open Psig bar to Open Psig bar Fully Open Psig bar 25 1 7 24 1 7 9 0 62 2 0 14 30 2 1 29 2 0 13 0 90 6 0 41 35 2 4 34 2 3 16 1 1 9 0 62 40 2 8 39 2 7 20 1 4 13 0 90 45 3 1 44 3 0 24 1 7 1
22. lower cage key 35 9 Hold the pilot sub assembly together and insert it into the bonnet key 17 Press firmly the bonnet O rings will offer resistance 10 Press the poppet stem It should freely move up and down If it does not repeat the procedure to this point to determine the cause ACE95 Series Table 9 Type ACE95Sr Diagnostics Table C 20 through 60 Inlet Pressure Range Spring 25 to 50 psig 1 7 to 3 4 bar ACTUAL INLET SUPPLY DIAGNOSTIC PORT PRESSURE PRESSURE TO VALVE When Pilot Starts When Main Valve Starts When Main Valve is PSIG bar to Open Psig bar to Open Psig bar Fully Open Psig bar 25 1 7 24 1 7 16 1 1 5 0 35 30 2 1 29 2 0 20 1 4 9 0 62 35 2 4 34 2 3 24 1 7 14 0 97 40 2 8 39 2 7 29 2 0 18 1 2 45 3 1 44 3 0 33 2 3 23 1 6 50 3 4 49 3 4 38 2 6 27 1 9 Table 10 Type ACE95Sr Diagnostics Table C 20 through 60 Inlet Pressure Range Spring 51 to 120 psig 3 5 to 8 3 bar ACTUAL INLET SUPPLY DIAGNOSTIC PORT PRESSURE PRESSURE TO VALVE When Pilot Starts When Main Valve Starts When Main Valve is PSIG bar to Open Psig bar to Open Psig bar Fully Open Psig bar 51 3 5 50 3 4 39 2 7 11 0 76 60 4 1 59 4 1 48 3 3 19 1 3 70 4 8 69 4 8 57 3 9 28 1 9 80 5 5 79 5 4 66 4 6 37 2 6 90 6 2 89 6 1 75 5 2 46 3 2 100 6 9 99 6 8 84 5 8 55 3 8 110
23. nostics Table C 7 5 and 10 Inlet Pressure Range Spring 51 to 120 psig 3 5 to 8 3 bar ACTUAL INLET SUPPLY DIAGNOSTIC PORT PRESSURE PRESSURE TO VALVE When Pilot Starts When Main Valve Starts When Main Valve is PSIG bar to Open Psig bar to Open Psig bar Fully Open Psig bar 51 3 5 50 3 4 24 1 7 3 0 21 60 4 1 59 4 1 30 2 1 9 0 62 70 4 8 69 4 8 36 2 5 15 1 0 80 5 5 79 5 4 42 2 9 22 1 5 90 6 2 89 6 1 49 3 4 28 1 9 100 6 9 99 6 8 55 3 8 34 2 3 110 7 6 109 7 5 61 4 2 41 2 8 120 8 3 119 8 2 68 4 7 47 3 2 Table 8 Type ACE95 Diagnostics Table C 7 5 and 10 Inlet Pressure Range Spring 121 to 200 psig 8 3 to 13 8 bar ACTUAL INLET SUPPLY DIAGNOSTIC PORT PRESSURE PRESSURE TO VALVE When Pilot Starts When Main Valve Starts When Main Valve is PSIG bar to Open Psig bar to Open Psig bar Fully Open Psig bar 121 8 3 120 8 3 63 4 3 31 2 1 130 9 0 129 8 9 69 4 8 37 2 6 140 9 7 139 9 6 75 5 2 43 3 0 150 10 3 149 10 3 82 5 7 49 3 4 160 11 0 159 11 0 88 6 1 56 3 9 170 11 7 169 11 7 94 6 5 62 4 3 180 12 4 179 12 3 101 7 0 68 4 7 190 13 1 189 13 0 107 7 4 75 5 2 200 13 8 199 13 7 113 7 8 81 5 6 Assembly 4 Place the pilot sub assembly into the upper When assembling the Type ACE95 or Type ACE95Sr tank blanketing valve clean all
24. nstructions in the Installation section of this manual 12 Adjust the setpoint according to the instructions in the Adjustment section 13 Replace the actuator cap key 1 11 ACE95 Series Parts Ordering Each ACE95 Series valve is assigned a serial number printed on the nameplate on the main valve actuator Refer to this number when contacting your local Sales Office for assistance or when ordering replacement parts When ordering a replacement part be sure to reference the key number for each needed part and LOCK WASHER KEY 21 SCREW KEY 20 PLUG KEY 22 SPRING MAIN VALVE KEY 26 O RING KEY 23 include the complete 11 character part number from the following parts list Key Description Part Number Parts Kits Actuator Diaphragm and Gasket Kit includes keys 9 11 and 12 Types ACE95 and ACE95Sr 10C1273X012 Rolling Diaphragm and Seal Kits includes keys 4 14 16 19 23 24 27 38 39 41 Type ACE95 C 1 through 4 Nitrile NBR 19B9098X012 Ethylenepropylene EPDM FDA 19B9098X032 Fluorocarbon FKM 19B9098X022 Perfluoroelastomer FFKM 19B9098X042 Type ACE95 C 7 5 and 10 Nitrile NBR 19B9099X012 Ethylenepropylene EPDM FDA 19B9099X032 Fluorocarbon FKM 19B9099X022 Perfluoroelastomer FFKM 19B9099X042 Type ACE95Sr Nitrile NBR 19B6038X012 Ethylenepropylene EPDM FDA 19B6038X032 Fluorocarbon FKM 19B6038X022 Perfluoroelastomer FFKM 19B6038X042 1 Cap Stainless Steel GC053301X02
25. pply line shutoff valve to the blanketing valve and leave it fully open 3 Monitor the tank vapor space pressure ACE95 Series ADJUSTING SCREW KEY 2 ll ACTUATOR CAP E KEY 1 LOCK NUT KEY3 a fies SPRING CASE KEY 7 W8160 Figure 5 Spring Case Adjusting Screw and Actuator Cap Adjustment The setpoint of this unit is factory set If an adjustment is to be made it should be done so in small increments while the unit is supplying gas to the tank To change the setpoint 1 Unscrew and remove the actuator cap key 1 from the top of the spring case key 7 See Figure 5 2 Loosen the lock nut key 3 and turn the adjusting screw key 2 clockwise to raise the setpoint Turning the screw counter clockwise lowers the setpoint 3 Observe the effects of the change 4 When the adjustment is complete tighten the lock nut key 3 and replace the actuator cap key 1 Shutdown Installation arrangements vary but in any installation it is important to open and close valves slowly and to close the upstream shutoff valve first when shutting down the system Diagnostics Note If a diagnostics pressure gauge was not ordered with the unit a pressure gauge must be installed in the diagnostic port to perform diagnostic analysis ACE95 Series Diagnostics are an optional feature of the ACE95 Series Tank Blanketing valves that aid in evaluating valve operation The diagnostic analysis
26. r Minnesota 55330 2445 USA Tel 1 763 241 3238 Europe Selmsdorf Germany 23923 Tel 49 0 38823 31 0 For further information visit www fisherregulators com 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 Inc 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 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 product remains solely with the purchaser A A EMERSON Process Management Emerson Process Management Regulator Technologies Inc 2001 2010 All Rights Reserved
27. uator case and the actuator O ring key 53 Type ACE95 or gasket key 27 Type ACE95Sr Remove the cap screws and lock washers keys 28 and 29 Type ACE95 or keys 50 and 51 Type ACE95Sr that attach the bonnet key 17 to the body key 18 Lift the bonnet key 17 from the body key 18 Note Slightly rotating the bonnet may help loosen the O ring key 19 Main Valve Disassembly 1 Remove the main valve key 25 along with the main valve spring key 26 spring shim key 34 25 to 50 psig 1 7 to 3 4 bar Type ACE95 only and spring guide key 49 Type ACE95Sr only from the bonnet key 17 Unthread the screw key 20 from the main valve Remove the plug key 22 from the main valve key 25 See Figure 7 Insert wooden dowel rod or similar blunt tool through the bottom of the bonnet bore to remove the cage keys 35 and 40 sub assembly Pilot Cage Disassembly Do not wrench or bend the stem of the poppet key 42 Use soft jawed pliers to hold the piston without damaging it 1 The upper cage key 40 will readily separate from the lower cage key 35 See Figure 6 Gently press the poppet stem key 42 to remove the pilot from the upper cage key 40 Insert a small drill bit into the cross drilled hole on the poppet key 42 to turn and loosen Unthread the poppet from the piston key 37 Remove the rolling diaphragm key 38 ACE95 Series Table 7 Type ACE95 Diag
28. ures involved in evaluating a valve actual inlet pressure pressure to start opening pilot valve pressure to start opening main valve and pressure to fully open main valve Actual Inlet Pressure The gas pressure supplied to the inlet of the valve This is the maximum diagnostic pressure Pressure to Start Opening Pilot Valve The diagnostic pressure drops to this value as the valve senses decreasing tank pressure The main valve remains closed at this pressure Pressure to Start Opening Main Valve The diagnostic pressure drops to this level as the tank pressure decreases and reaches the valve setpoint The pilot is fully open at this pressure Pressure to Fully Open Main Valve At this point both the main valve and pilot valve are fully open and supplying gas to the tank Maintenance Valve parts are subject to normal wear and must be inspected and replaced as necessary The frequency of inspection and replacement of parts depends on the severity of service conditions and the requirements of local state and federal regulations Due to the care Emerson takes in meeting all manufacturing requirements use only replacement parts manufactured or furnished by Emerson All O rings gaskets and seals should be lubricated with a good grade of general purpose lubricant and installed gently rather than forced into position Suggested lubricant sealant and adhesive are as follows Lubricant Dow Corning 111 or equivalent S
29. witch must be deactivated before valve from all pressure and cautiously opening the enclosure or disconnecting release trapped pressure from the pilot the wiring in accordance with codes or valve before attempting disassembly and safety practices Spring Case Disassembly It is recommended that all seals and diaphragms be replaced as a matter of good practice whenever a valve is disassembled and re assembled Parts kits are available through your local Sales Office 1 Remove the actuator cap key 1 and the spring load by unthreading the adjusting screw key 2 See Figure 5 2 Unthread the hex head screws lock washers and nuts keys 32 28 and 31 from the upper and lower actuator cases keys 33 and 30 Lift the upper actuator case from the lower actuator case If you are performing disassembly or assembly operations on a Type ACE95Sr valve refer to the Parts List and see Figure 9 If you are working on a Type ACE95 valve refer to the Parts List and see Figure 8 3 Remove the spring seat and range spring keys 5 and 8 ACE95 Series Table 5 Type ACE95 Diagnostics Table C 1 through 4 Inlet Pressure Range Spring 121 to 200 psig 8 3 to 13 8 bar ACTUAL INLET SUPPLY DIAGNOSTIC PORT PRESSURE PRESSURE TO VALVE When Pilot Starts When Main Valve Starts When Main Valve is PSIG bar to Open Psig bar to Open Psig bar Fully Open Psig bar 121 8 3 120 8 3 74 5 1 30 2 1 130 9 0
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