Emerson ACE97 Manuel d'instructions

Type ACE97D102773X012Instruction ManualForm 5665November 2011www.sherregulators.comType ACE97 Pad-Depad Valve!WARNINGFailure to follow these instruct

Type ACE9710Table 5. Diagnostics Table: Cv 1 through 4, Inlet Pressure Range Spring 121 to 200 psig / 8,3 to 13,8 barACTUAL INLET SUPPLY PRESSURE TO

Type ACE9711Table 9. Diagnostics Table: Cv 20 through 60, Inlet Pressure Range Spring 25 to 50 psig / 1,7 to 3,4 barACTUAL INLET SUPPLY PRESSURE TO V

Type ACE9712are shown in Table 2. In order to evaluate a valve, examine the valve nameplate to determine the Cv and inlet pressure range (main valve

Type ACE9713 2. Unthread the lower cage (key 110). 3. Remove the rain cap (key 109). 4. Unthread the upper cage (key 106). 5. Remove the retur

Type ACE9714 5. Remove the plug (key 22) from the main valve. 6. Insert wooden dowel rod (or similar blunt tool) through the bottom of the bonnet

Type ACE9715AssemblyBefore proceeding, read the following instructions. Refer to the gures that pertain to your valve (Figures 11 through 20) and rev

Type ACE9716 3. Thread the poppet (key 42) onto the piston (key 37). Use soft-jawed pliers to restrain the piston so it is not damag

Type ACE9717Actuator AssemblyRefer to Figure 20. 1. Place the actuator gasket (key 27) and lower actuator case (key 113) onto the body (key

Type ACE9718Parts ListKey Description Part Number Parts Kits NPS 1/2 / DN 15 pad valve (includes keys 16, 27, 38, 39, and 41) Ni

Type ACE9719 27 Gasket (bonnet, pad valve) GC070429X32 28 Lock Washer (28 required) GC060906X02 29 Hex-Head Machine Screw (4 required) NPS

Type ACE972Pad (Tank Blanketing) Specications Pad Body Sizes and End Connection Styles1/2, 1, and 2 NPTNPS 1/2, 1, and 2 / DN 15, 25, and 50 CL150 R

Type ACE9720 83 Seal Retaining Plate 1 NPT depad main valve GC053314X02 2 NPT depad main valve GC053311X02 NPS 3 / DN 80 depad main valv

Type ACE9721 131 Tube Elbow (2 required) (external, 1/4-inch / 6,4 mm tube x 1/8 NPT) - - - - - - - - - - - 132 Tube Elbow (3 required) (ex

Type ACE9722Figure 11. Type ACE97 Pad-Depad Valve ExteriorE0630NPS 1 / DN 25 PAD / 1 NPT DEPAD1311111311311431341571341421321311111311381291331491501

Type ACE9723E0677Figure 12. Actuator Spring RangesPAD 0.5 TO 1.4 PSIG / 34 to 97 mbarDEPAD 0.25 TO 1 PSIG / 17 to 69 mbarPAD 1.0 TO 2.2 PSIG / 69 to

Type ACE9724Figure 13. Type ACE97 NPS 1/2 / DN 15 Pad ValveE0631E063438523736394142145148182711329 2816165166

Type ACE9725Figure 14. Type ACE97 NPS 1 / DN 25 Pad ValveGROOVE FOR ROLLING DIAPHRAGM BEADE063537363839404142351381834113E063227161726251924212223202

Type ACE9726Figure 15. Type ACE97 NPS 2 / DN 50 Pad ValveGROOVE FOR ROLLING DIAPHRAGM BEAD3738394041423635113282916272649252423222120E063319 1851 52E

Type ACE9727Figure 16. 1 NPT Depad Main ValveE06368076797881839187848613477828588759089143 135 131

Type ACE9728Figure 17. 2 NPT Depad Main Valve E07058684838087134817679787791160161858275143135131

Type ACE9729Figure 18. NPS 3 and 4 / DN 80 and 100 Depad Main Valve E067487758380134817679787715785847912614313513116016182

Type ACE973If a leak develops or if the unit or outlet continually vents gas, service to the unit may be required. Failure to correct trouble could r

Type ACE9730Figure 19. Depad Pilot Valve PartsE0675111ACTUATOR10910411031135100127131143108103102101106131120103107989913513110510438143135143

Type ACE9731Figure 20. Actuator Parts113283193114931209998282911711827116949511916312128100E0676

Type ACE97The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fishe

Type ACE974Product DescriptionThe Type ACE97 Pad-Depad valve is a self-contained, pilot-operated valve that maintains a blanket of inert gas on top of

Type ACE975NPS 1 and 2 / DN 25 and 50 Pad Valves (Figure 2)When tank pressure decreases below the pad setpoint (due to pump-out operations or thermal

Type ACE976Installation and Startup!WARNINGPersonal injury, equipment damage, or leakage due to escaping accumulated gas or bursting of pressure-conta

Type ACE977must agree with the system that you are Padding (blanketing) or Depadding (recovering). The serial number will be needed in any communicat

Type ACE978Startup, Adjustment, and ShutdownCAUTIONIf required, tank vents (normal and emergency) must be in place and operating.StartupCAUTIONAlway

Type ACE979Table 2. Diagnostic Analysis Pressure RangesDIAGNOSTIC STATUSEqual to inlet supply pressurePilot and main valves are closed. Tank pressur