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Instruction Manual
D102775X012
August 2019
Type ACE95 and Type ACE95Sr Tank
Blanketing Valves
W9133
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.
W8155
Figure 2. Type ACE95Sr Tank Blanketing Valve
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
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.
ACE95 Series
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Table of Contents
Related Manuals for Emerson Fisher ACE95 Series
Summary of Contents for Emerson Fisher ACE95 Series
- Page 1 Instruction Manual ACE95 Series D102775X012 August 2019 Type ACE95 and Type ACE95Sr Tank Blanketing Valves W9133 W8155 Figure 1. Type ACE95 Tank Blanketing Valve Figure 2. Type ACE95Sr Tank Blanketing Valve Introduction Product Description ACE95 Series tank blanketing valves are self-contained, Scope of the Manual balanced, pilot operated and used for accurate pressure control on gas blanketing systems.
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Page 2: Specifications
1. Various Single Array Manifold (SAM) tank connections are also available. Contact your local Sales Office for more information. 2. Special low temperature constructions for process temperatures between -49 to 104°F / -45 to 40°C are available by request. The low temperature constructions passed Emerson laboratory testing for lockup and external leakage down to -49°F / -45°C. -
Page 3: Principle Of Operation
ACE95 Series RANGE SPRING PILOT VALVE (OPEN) ORIFICE SENSING LINE ROLLING DIAPHRAGM PILOT SPRING DIAGNOSTIC PORT INLET PRESSURE INLET PRESSURE TANK PRESSURE TANK PRESSURE INLET BLEED PRESSURE INLET BLEED PRESSURE ATMOSPHERIC PRESSURE ATMOSPHERIC PRESSURE INLET PRESSURE Figure 3. ACE95 Series Operational Schematic (Valve Open) TANK PRESSURE INLET BLEED PRESSURE Principle of Operation... -
Page 4: Piping Considerations
ACE95 Series BLANKETING GAS SUPPLY LINE SHUTOFF VALVE LINE STRAINER SENSING LINE SHUTOFF VALVE SHUTOFF VALVE EMERGENCY TANK VENT TANK VENT BLANKETING GAS TO TANK TANK LIQUID E0623 Figure 4. ACE95 Series Tank Blanketing Valve Installation Additionally, physical damage to the 3. - Page 5 If the tank has only one available nozzle, W8160 contact Emerson for alternate methods of installation. A single array manifold is Figure 5. Spring Case, Adjusting Screw, and Actuator Cap available for such situations.
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Page 6: Maintenance
Follow these steps and refer to the diagnostics tables of local, state, and federal regulations. Due to the on the following pages to evaluate a valve under care Emerson takes in meeting all manufacturing actual operating conditions: requirements, use only replacement parts 1. -
Page 7: Annual Maintenance
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 DIAGNOSTIC PORT PRESSURE ACTUAL INLET SUPPLY PRESSURE TO VALVE, When Pilot Starts to Open, When Main Valve Starts to Open, When Main Valve is Fully Open, psig / bar psig / bar... - Page 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 DIAGNOSTIC PORT PRESSURE ACTUAL INLET SUPPLY PRESSURE TO VALVE, When Pilot Starts to Open, When Main Valve Starts to Open, When Main Valve is Fully Open, psig / bar psig / bar...
- Page 9 ACE95 Series Table 7. Type ACE95 Diagnostics Table: C 7.5 and 10, Inlet Pressure Range Spring 51 to 120 psig / 3.5 to 8.3 bar DIAGNOSTIC PORT PRESSURE ACTUAL INLET SUPPLY PRESSURE TO VALVE, When Pilot Starts to Open, When Main Valve Starts to Open, When Main Valve is Fully Open, psig / bar psig / bar...
- Page 10 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 DIAGNOSTIC PORT PRESSURE ACTUAL INLET SUPPLY PRESSURE TO VALVE, When Pilot Starts to Open, When Main Valve Starts to Open, When Main Valve is Fully Open, psig / bar psig / bar...
- Page 11 ACE95 Series UPPER CAGE (KEY 40) ROLLING DIAPHRAGM (KEY 38) POPPET (STEM) (KEY 42) CROSS-DRILLED W8162 PISTON HOLE (KEY 37) O-RING (KEY 39) W8161 LOWER CAGE (KEY 35) Figure 6. Cage Sub-Assembly Table 11. Type ACE95Sr Diagnostics Table: C 20 through 60, Inlet Pressure Range Spring 121 to 200 psig / 8.3 to 13.8 bar DIAGNOSTIC PORT PRESSURE ACTUAL INLET SUPPLY PRESSURE TO VALVE,...
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Page 12: Parts Ordering
ACE95 Series 9. Thread the range spring adjusting screw (key 2) in LOCK WASHER SCREW (KEY 21) about halfway. PLUG (KEY 20) (KEY 22) 10. Tighten all nuts (key 31) uniformly. SPRING (MAIN VALVE) O-RING (KEY 26) (KEY 23) 11. Reinstall the valve according to the instructions in the Installation section of this manual. - Page 13 ACE95 Series Description Part Number Description Part Number Round-Head Machine Screw Lock Washer Type ACE95 1A3776X0012 Type ACE95 (28 required) GC060906X02 Type ACE95Sr GC060225X02 Type ACE95Sr Lock Washer Actuator Flange (20 required) GC060906X02 Type ACE95 GC060903X02 Actuator to Bonnet (4 required) GC060905X02 Type ACE95Sr GC060906X02...
- Page 14 ACE95 Series LOCATE GROOVE IN LOWER CAGE FOR ROLLING DIAPHRAGM BEAD GE03297 NOT REQUIRED IN ALL ASSEMBLIES APPLY LUBRICANT OR SEALANT L = LUBRICANT S = SEALANT Figure 8. Type ACE95 Tank Blanketing Valve...
- Page 15 ACE95 Series LOCATE GROOVE IN LOWER CAGE FOR ROLLING DIAPHRAGM BEAD E0626 LOCATE GROOVE IN LOWER CAGE FOR ROLLING DIAPHRAGM BEAD 50 51 20 21 E0625 Figure 9. Type ACE95Sr Tank Blanketing Valve...
- Page 16 Technologies, Inc. All rights reserved. 08/19. Emerson Automation Solutions 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...