A.R.I. Eliptix W-30 WR 2W Installation Operation & Maintenance
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A.R.I. Eliptix W-30 WR 2W Installation Operation & Maintenance

Controller-operated dual set-point pressure reducing control valve
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W-30 WR 2W .IOM.ENG01
W-30 WR 2W
Controller-operated Dual Set-point Pressure Reducing Control Valve
2 Way
The following is a step by step narrated description of the Eliptix W-30 WR 2W controller operated
dual set point pressure reducing valve installation, operation and maintenance processes.
The A.R.I. W-30 Series is a line of metal, diaphragm-operated, hydraulic control valves.
The valves are suitable for installation in waterworks, industrial systems, water transmission and
infrastructure applications.
The W-30 series has an innovative elliptic shaped diaphragm that integrates well with a wide variety
of regulating control pilots, solenoids and control accessories.
They are compatibility designed for water level control, flow control, electric & remote control as
well as pressure reducing & pressure sustaining operation.
The W-30 WR 2W Electric operated dual set point pressure-reducing valve is an automatic control
valve equipped with two particular hydraulic pilot valves to reduce a higher upstream pressure to
two different preset lower downstream pressured switched by a solenoid pilot valve connected to
a controller and to maintain the selected pressure constantly regardless of flow-rate or upstream
pressure fluctuations.

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Summary of Contents for A.R.I. Eliptix W-30 WR 2W

  • Page 1 Controller-operated Dual Set-point Pressure Reducing Control Valve 2 Way The following is a step by step narrated description of the Eliptix W-30 WR 2W controller operated dual set point pressure reducing valve installation, operation and maintenance processes. The A.R.I. W-30 Series is a line of metal, diaphragm-operated, hydraulic control valves.

  • Page 2: Table Of Contents

    W-30 WR 2W TABLE OF CONTENTS 1. SAFETY INSTRUCTIONS ....................4 General Handling Installation Commissioning and Operation Maintenance Before returning to regular operation 2. INSTALLATION ........................7 2.1. Installation Procedure 2.2. Initial Start-up - The Control Valve and the Pressure Reducing Application 2.3.
  • Page 3 W-30 WR 2W Disclaimer This document is an Installation, Operation and Maintenance (IOM) manual for A.R.I. Flow Control Accessories Ltd. (A.R.I.) products. The information enclosed herein contains restricted, privileged, proprietary and confidential information, intended only for usage by authorized A.R.I. 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 A.R.I.

  • Page 4: Safety Instructions

    W-30 WR 2W 1. SAFETY INSTRUCTIONS General 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. 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 5: Installation

    W-30 WR 2W Installation 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. The user should install manual Isolation Valves at the valve's upstream and downstream ports. In all installation sites, the user should enable good visibility and verify that the work and auxiliary equipment used are done in accordance with the relevant local authorized standards.

  • Page 6: Before Returning To Regular Operation

    W-30 WR 2W Before returning to regular operation Re-assemble any protection covers or protection mechanisms removed during service or maintenance operations. Make sure that all the tools, ladders, lifting devices, etc. used during the maintenance procedures are taken away from the product area and stored. Remove grease and fat material residues in order to avoid slipping.

  • Page 7: Installation

    W-30 WR 2W 2. INSTALLATION 2.1. Installation Procedure Important: Before performing any work on the 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. Before installing the valve, flush the pipeline to remove scale, dirt and other particles that might affect the valve performance.
  • Page 8 W-30 WR 2W...

  • Page 9: Initial Start-Up - The Control Valve And The Pressure Reducing Application

    W-30 WR 2W 2.2. Initial Start-up - The Control Valve and the Pressure Reducing Application Make sure that the upstream and the downstream isolation valves are closed [12a] and [12b]. Turn off the manual 2-way ball valve at the downstream [3B] port of the valve. Slowly open the upstream isolation valve [12a].

  • Page 10: The Control Loop Of The Pressure Reducing Application

    W-30 WR 2W 2.3. The Control Loop of the Pressure Reducing Application The following is a general description of the Control Loop of the pressure reducing application: The W- WR Dual Set Point Pressure Reducing Valve is designed to reduce a higher upstream pressure to one of two preset lower downstream pressure set points, and to maintain this constant pressure regardless of flow-rate or upstream pressure fluctuations.

  • Page 11: Control Loop Diagram

    W-30 WR 2W 3. CONTROL LOOP DIAGRAM Description QTY. Main Valve Y- Strainer Ball Valve, 2-Way, N.O. P-26R, Pressure reducing pilot valve, 2-Way P-26R, Pressure reducing pilot valve, 2-Way Pressure gauge Solenoid valve, 2-Way, N.C. Plug Venturi tube Programmable Logic Controller...

  • Page 12: Maintenance

    W-30 WR 2W 4. MAINTENANCE Under regular operation A.R.I's valves require minimal maintenance and no lubrication, however in freezing climates the valve should be dismantled and drained for the winter months. 4.1. Periodic Inspection Every 6 months visually inspect the valve's diaphragm for any tears. Every 12 months inspect the valve's operation and clean the Finger Filter.

  • Page 13: Troubleshooting

    W-30 WR 2W 5. TROUBLESHOOTING Problem Cause Check Solution Valve does not open 1. Inlet pressure is too 1. Check the inlet 1. Make sure that the water supply pressure (or the pump) is on. 2. The 2-way outlet 2. Check the state of the 2.

  • Page 14: Dimensional Drawing

    W-30 WR 2W 6. DIMENSIONAL DRAWING...

  • Page 15: Limited Warranty

    W-30 WR 2W 7. A.R.I. LIMITED WARRANTY A.R.I. Standard International 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.

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