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A.R.I. MODEL D-040L 1" Installation Operation & Maintenance
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A.R.I. MODEL D-040L 1" Installation Operation & Maintenance

Combination air valve
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D-040L.IOM.ENG02
Installation, Operation & Maintenance
COMBINATION AIR VALVE
MODEL D-040L 1"
The following is a step by step narrated description of the A.R.I. D-040L Combination Air Valve installation,
operation and maintenance processes.
The D-040L series Combination Air Valve has the features of both an air release valve and an air & vacuum
valve. The air release component is designed to automatically release small pockets of air to the
atmosphere as they accumulate along a pipeline or piping system when it is full and operating under
pressure. Please consult A.R.I. for the pressure and temperature framework of this model specifications
table and for other products designed for hazardous liquids systems.

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Summary of Contents for A.R.I. MODEL D-040L 1"

  • Page 1 D-040L.IOM.ENG02 Installation, Operation & Maintenance COMBINATION AIR VALVE MODEL D-040L 1” The following is a step by step narrated description of the A.R.I. D-040L Combination Air Valve installation, operation and maintenance processes. The D-040L series Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

  • Page 2: Table Of Contents

    IOM D-040L TABLE OF CONTENTS 1. SAFETY INSTRUCTIONS ............................. 3 2. INSTALLATION ..............................6 3. OPERATION ..............................9 4. TROUBLE SHOOTING ............................9 5. ASSEMBLY BOM TABLE AND DRAWING ......................10 6. A.R.I. LIMITED WARRANTY ................Error! Bookmark not defined. Disclaimer This document is an Installation, Operation and Maintenance (IOM) manual for A.R.I.

  • Page 3: Safety Instructions

    IOM D-040L 1. SAFETY INSTRUCTIONS General 1. A.R.I. products always operate as components in a larger system. It is essential for the system designers, installers, operators and maintenance personnel to comply with all the relevant safety standards. 2. Installation, operation or maintenance of the product should be done only by qualified workers, technicians and/or contractors using only good engineering practices, complying with and observing all conventional safety instructions in order to minimize risk and/or danger and/or hazard to workers, the public or to property in the vicinity in accordance with all relevant local standards.
  • Page 4 IOM D-040L Installation 1. Install the product according to the detailed Installation Instructions provided with it by A.R.I. and according to the description given in this manual. 2. The user should install a manual Isolation Valve under the product's inlet port. 3.
  • Page 5 IOM D-040L Before returning to regular operation 1. Re-assemble any protection covers or protection mechanisms removed during service or maintenance operations. 2. Make sure that all the tools, ladders, lifting devices, etc. used during the maintenance procedures are taken away from the product area and stored. 3.

  • Page 6: Installation

    IOM D-040L 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 IOM D-040L 2.2. Conventions and Measurements This paragraph presents and explains the terms and measurements used for the Installation process. D = Diameter of pipeline Isolation Valve d = diameter of riser H = Height of riser on the pipeline (Measured from crown of pipeline) •...
  • Page 8 IOM D-040L 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 D-040L 3. OPERATION The D-040L series Combination Air Valve has the features of both an air release valve and an air & vacuum valve. The air release component is designed to automatically release small pockets of air to the atmosphere as they accumulate along a pipeline or piping system when it is full and operating under pressure.

  • Page 10: Assembly Bom Table And Drawing

    IOM D-040L 5. ASSEMBLY BOM TABLE AND DRAWING Body Discharge Outlet Elbow Clamping Stem Float Rolling Seal O-ring Body Extension Base...

  • Page 11: Limited Warranty

    IOM D-040L 7. A.R.I. LIMITED WARRANTY A.R.I. manufactured products are guaranteed to be free from defect in material and/or workmanship and to perform as advertised when properly installed, used and maintained in accordance with current instructions, written or verbal. Should any item prove defective within the time period set forth for that item(s), but in any case not later than within 12 (Twelve) months of that product having left A.R.I.’s premises, and subject to receipt by A.R.I.