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Fisher ACE95Sr Instruction Manual

Tank blanketing valves
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Instruction Manual
Form 5667
Type ACE95 and Type ACE95Sr
Tank Blanketing Valves
W8156
Figure 1. Type ACE95 Tank Blanketing Valve
Introduction
Scope of 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-con-
tained, 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
Patent Numbers 5,884,655 and 5,836,348
04/01
www.FISHERregulators.com
W8155
Figure 2. Type ACE95Sr Tank Blanketing Valve
valves maintain a positive pressure and thereby reduce
the possibility of tank wall collapse during pump out
operations, in addition to preventing liquid from vaporiz-
ing into the atmosphere.
Specifications
The following page lists specifications and ratings for
ACE95 Series tank blanketing valves. Factory specifi-
cations are stamped on a nameplate fastened to the
upper actuator case of the valve.
ACE95 Series

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Summary of Contents for Fisher ACE95Sr

  • Page 1 W8156 Figure 1. Type ACE95 Tank Blanketing Valve W8155 Introduction Figure 2. Type ACE95Sr Tank Blanketing Valve Scope of Manual This instruction manual provides installation, startup, valves maintain a positive pressure and thereby reduce and maintenance procedures for the ACE95 Series...

  • Page 2: Specifications

    (-12 mbar to 103 mbar) With all accessories: see table 1 Type ACE95 - 40 lbs (18 kg) Pressure Registration Type ACE95Sr - 60 lbs (27 kg) External Main Valve Flow Characteristic Linear Table 1. Outlet (Control) Pressure Ranges . y l Principle of Operation pressure.

  • Page 3: Installation And Startup

    ACE95 Series PILOT VALVE (OPEN) ORIFICE ROLLING DIAPHRAGM RANGE SPRING PILOT SPRING SENSING LINE E0623 DIAGNOSTIC PORT INLET PRESSURE TANK PRESSURE INLET BLEED PRESSURE ATMOSPHERIC PRESSURE E0622 Figure 3. ACE95 Series Operational Schematic (valve open) ACE95 Series valves respond to slight decreases in where conditions exceed any ratings of internal tank pressure by opening and increasing the the adjacent piping or piping connec-...

  • Page 4: Piping Considerations

    The serial number will Inlet Piping be needed in any communication with your Fisher Sales Representative or the Fisher Sales Office. The blanketing gas supply line should be equipped with 3. Clean the gas blanketing supply lines of all dirt and...

  • Page 5: Outlet Piping

    Outlet Piping Startup Type ACE95 or Type ACE95Sr valve outlet is piped into the tank vapor space. Outlet piping must be full size 1. Open shut-off valves between the blanketing valve and self-draining to the tank. The valve should be and the tank (both sensing and outlet).

  • Page 6: Maintenance

    Due to the care Fisher Controls takes in meeting all manufacturing requirements, use only replacement parts manufactured or furnished by Fisher Controls. In order to evaluate a valve, examine the valve name-...

  • Page 7: Monthly Maintenance

    If you are performing disassembly or assembly opera- 4. Visually inspect valve for any external wear. tions on a Type ACE95Sr valve, refer to the Parts List 5. If there is evidence of leakage or unstable internal and see figure 8. If you are working on a Type ACE95 motion, a rebuild with seal replacement and valve, refer to the Parts List and see figure 9.
  • Page 8 4. If you are performing disassembly operations on a 1. Remove the actuator cap (key 1) and the spring Type ACE95Sr, remove the cap screws (key 50) that load by unthreading the adjusting screw (key 2). See attach the bonnet (key 17) to the body (key 18).
  • Page 9 (key 38). 3. Slide the O-ring (key 39) onto the poppet (key 42). 4. Place the pilot sub-assembly into the upper cage Assembly (key 40). When assembling the Type ACE95 or Type ACE95Sr tank blanketing valve, clean all parts, inspect for...
  • Page 10 ACE95 Series Table 9. Type ACE95Sr Diagnostics Table: Cv 20 through 60, Inlet Pressure Range Spring 25 to 50 psig (1,7 to 3,5 bar) Table 10. Type ACE95Sr Diagnostics Table: Cv 20 through 60, Inlet Pressure Range Spring 51 to 120 psig (3,5 to 8,3 bar) 5.
  • Page 11 ACE95 Series Table 11. Type ACE95Sr Diagnostics Table: Cv 20 through 60, Inlet Pressure Range Spring 121 to 200 psig (8,3 to 13,8 bar) 3. Place the actuator gasket (key 27) and the lower actuator case (key 30) onto the bonnet (key 17).

  • Page 12: Parts Ordering

    GC050501X02 W8160 -5 to -0.5 in wc (VAC) / (-12 to -1,2 mbar) GC050501X02 Vent (Y602-A12) 27A5516A012 Figure 7. Typical Main Valve and Spring (Type ACE95Sr shown) Spring Case Stainless Steel GC053101X02 10. Tighten all nuts (key 31) uniformly. Steel GC053101X32 11.
  • Page 13 Cv 5 through 10 GC052902X12 Nitrile 1D2375X0062 Cv 20 through 60 GC050927X62 EPDM/FDA 1D2375X0082 1D237506382 1 9 * O-Ring FFKM 1D237506372 Type ACE95 Type ACE95Sr Cv 20 through 60 Nitrile 1C415706992 Nitrile 1D785306992 EPDM/FDA 1C4157X0092 EPDM/FDA 1D7853X0032 1C4157X0032 1D7853X0042 FFKM 1C4157X0082 FFKM...
  • Page 14 (3 inch / 76 mm - diameter) GC260113X02 Negative Spring Range (9 inch / 229 mm - diameter) GC260104X02 Spring Guide (Type ACE95Sr only) 25 to 50 psig / 51 to 120 psig GC050505X22 Hex Head Cap Screw (4 required) GC060224X02...
  • 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 E0625 Figure 8. Type ACE95Sr Tank Blanketing Valve...
  • Page 16 E0627 Figure 9. Type ACE95 Tank Blanketing Valve Fisher and Fisher-Rosemount are marks owned by Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc. All other marks are the property of their respective owners. ©Fisher Controls International, Inc., 2001; All Rights Reserved 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.

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