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Aquestia A.R.I. D-050 NS Installation Operation & Maintenance

Combination air valve
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ARI.D050NS.IOM.EN.0425
Installation, Operation & Maintenance
D-050 NS
Combination Air Valve
The following is a step-by-step narrated description of the A.R.I. D-050 NS combination air valve installation,
operation and maintenance processes.

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Summary of Contents for Aquestia A.R.I. D-050 NS

  • Page 1 ARI.D050NS.IOM.EN.0425 Installation, Operation & Maintenance D-050 NS Combination Air Valve The following is a step-by-step narrated description of the A.R.I. D-050 NS combination air valve installation, operation and maintenance processes.

  • Page 2: Table Of Contents

    IOM A.R.I. D-050 NS Table of contents 1. Safety Instructions ............................4 Safety Instructions - General ........................... 4 Safety Instructions - Handling ..........................4 Safety Instructions - Installation ..........................4 Safety Instructions - Commissioning and Operation .................... 5 Safety Instructions - Maintenance .......................... 5 Safety Instructions - Before returning to regular operation ..................
  • Page 3 Aquestia technicians. If you are not a qualified technician, you must not take any action in reliance upon this document, unless otherwise permitted in writing by Aquestia Aquestia has made every effort to ensure that this document is accurate;...

  • Page 4: Safety Instructions

    10. Use the product only for its intended use as designed by Aquestia. Any misuse of the product may lead to undesired damages and may affect your warranty coverage. Please consult with Aquestia prior to any non-regular use of this product and make no change or modification to the product without a prior written consent to be provided by Aquestia at Aquestia's sole discretion.

  • Page 5: Safety Instructions - Commissioning And Operation

    In order to achieve maximum performance and smooth operation of the product, it is crucial to perform the startup and first operation procedures exactly as described in this manual. In cases where formal commissioning procedure is required, it should be done by an authorized Aquestia technician prior to the first operation of the product.

  • Page 6: Installation

    IOM A.R.I. D-050 NS 2. Installation Important: Before performing any work on the air valve make sure that all workers on site are familiar with the safety instructions and the relevant local and general safety instructions and work regulations. 2.1. Installation Recommendations Single Air Valve on an Isolating Valve at 45°...

  • Page 7: Conventions And Measurements

    IOM A.R.I. D-050 NS 2.2. Conventions and Measurements This paragraph presents and explains the terms and measurements used for the Installation process. Isolation D = Diameter of pipeline Valve d = diameter of riser H = Height of riser on the pipeline (Measured from crown of pipeline) •...

  • Page 8: Installation Instructions

    IOM A.R.I. D-050 NS 2.3. Installation Instructions 1. Flush the system before installing the air valve to avoid any debris or sharp objects getting into the air valve. 2. Carefully remove the air valve from the shipping package. Unload all air valves carefully to a sturdy level surface taking care not to drop them.

  • Page 9: Operation

    IOM A.R.I. D-050 NS 3. Operation The Air & Vacuum component, with the large orifice, discharges air at high flow rates during the filling of the system, and admits air into the system, at high flow rates, during system’s drainage and at water column separation.

  • Page 10: Periodic Maintenance

    IOM A.R.I. D-050 NS 4. Periodic Maintenance Please note that the periodic maintenance of the air valve is an integral part of the proper pipeline maintenance regime; it should be maintained at least once a year in accordance with the quality and composition of the fluid in the system.

  • Page 11: Maintaining The Automatic Air Release Valve -A.r.i. S-050

    IOM A.R.I. D-050 NS 4.2. Maintaining the Automatic Air Release valve – A.R.I. S-050 Refer to the drawing on the next page. 1. Shut the isolating valve below the air valve. 2. Unscrew the Body of the Automatic air release valve from the Base, making sure that the valve Base does not rotate.
  • Page 12 IOM A.R.I. D-050 NS A.R.I. S-050 Automatic Air valve – Assembly BOM Table and Drawing Body Discharge Outlet Elbow Rolling Seal Float Clamping Stem O-ring Base Strainer...

  • Page 13: Maintaining The Automatic Air Release Valve -A.r.i. S-050C / S-052

    IOM A.R.I. D-050 NS 4.3. Maintaining the Automatic Air Release valve -A.R.I. S-050C / S-052 Refer to the drawing on the next page. 1. Shut the isolating valve below the air valve. 2. Unscrew the Body of the Automatic air release valve from the Base, making sure that the valve Base does not rotate.
  • Page 14 IOM A.R.I. D-050 NS A.R.I. S-050C / S-052 - Automatic Air valve – Assembly BOM Table and Drawing Shell O-ring Discharge Outlet Body Rolling Seal Float Clamping Stem O-ring Base Strainer...

  • Page 15: Maintaining The Automatic Air Release Valve - A.r.i. S-050L

    IOM A.R.I. D-050 NS 4.4. Maintaining the Automatic Air Release valve – A.R.I. S-050L Refer to the drawing on the next page. 1. Shut the isolating valve below the air valve. 2. Unscrew the Body of the Automatic air release valve from the body extension, making sure that the valve Base does not rotate.
  • Page 16 IOM A.R.I. D-050 NS Automatic Air valve – Assembly BOM Table and Drawing A.R.I. S-050L - Body Discharge Outlet Rolling Seal Clamping Stem Float O-ring Body Extension Plug Base Strainer...

  • Page 17: Maintaining The Automatic Air Release Valve -A.r.i. S-015

    IOM A.R.I. D-050 NS 4.5. Maintaining the Automatic Air Release valve -A.R.I. S-015 Refer to the drawing on the next page. Basic, Periodic Maintenance: 1. Shut the isolating valve below the air valve. 2. Unscrew the Cover Bolts of the automatic air release valve slowly, to release accumulated pressure.
  • Page 18 IOM A.R.I. D-050 NS A.R.I. S-015 - Automatic Air valve – Assembly BOM Table and Drawing Air Release Outlet Circlip Cover O-Ring Orifice seat Rolling Seal Lever Roll-Pin Float O-Ring Bolts, Nuts & Washers Body Adaptor...

  • Page 19: Maintaining The Air & Vacuum Valve

    IOM A.R.I. D-050 NS 4.6 Maintaining the Air & Vacuum valve Refer to the drawing on the next two pages. 1. Shut the isolating valve below the air valve. 2. Unscrew the Bolts that connect the valve Cover to the valve Body.
  • Page 20 IOM A.R.I. D-050 NS Air & Vacuum valve – 2”- 6” Horizontal Outlet Models Assembly BOM Table and Drawing Cover Assembly Float O-ring Bolts & Nuts Body NS Device Automatic Valve...
  • Page 21 IOM A.R.I. D-050 NS Air & Vacuum valve – 3”- 6” Screen Cover Models Assembly BOM Table and Drawing Cover Assembly Float O-ring Bolts & Nuts Body Automatic Valve...
  • Page 22 IOM A.R.I. D-050 NS Air & Vacuum valve – 8”- 12” Screen Cover Models Assembly BOM Table and Drawing Cover Assembly Float O-ring Bolts & Nuts Body Automatic Valve...

  • Page 23: Troubleshooting

    IOM A.R.I. D-050 NS 5. Troubleshooting Symptom Possible Causes Solution Shut the isolating valve, wait a Leakage from the Small Orifice A. Debris or scale buildup on the Rolling Seal. minute, and open it again, very B. Torn Rolling Seal.

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