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Summary of Contents for Aquestia A.R.I. D-021
- Page 1 A.R.I.D-021.IOM.EN.1124 Installation, Operation & Maintenance D-021 Combination Air Valve The following is a step-by-step narrated description of the A.R.I. D-021 combination air valve installation, operation and maintenance processes.
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Page 2: Table Of Contents
IOM A.R.I. D-021 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;...
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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-021 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-021 2.2. Conventions and Measurements This paragraph presents and explains the terms and measurements used for the Installation process. D = Diameter of pipeline 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-021 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-021 3. Operation When the system is charged and the pipeline begins to fill, the water flowing in the pipeline enters the combination air valve, raising the air/ vacuum and air release floats to their sealing position. During filling, air is discharged mainly through the air/ vacuum orifice as well as small amounts of air released through the air release orifice. -
Page 10: Periodic Maintenance
IOM A.R.I. D-021 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 IOM A.R.I. D-021 A.R.I. D-021 Air valve – Assembly BOM Table and Drawing Discharge Elbow Body Rolling Seal Clamping Stem Float O-ring Body Domed Nut Stopper Spring Float + Stem + Washer O-ring Clamp, Bolt & Nut Base Tap ¼”...
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Page 12: Troubleshooting
IOM A.R.I. D-021 5. Troubleshooting Symptom Possible Causes Solution O-ring is not in place, debris in the Open the bolt, separate and Valve leaking from Clamp area sealing area, or Clamps are not remove the two clamps. Check properly tightened the placement and integrity of the O-ring.
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