Table of Contents
Advertisement
Quick Links
R-20 SM 3W
Pressure Sustaining Control Valve
3 Way
The following is a step by step narrated description of the Eliptix R-20 SM 3W Accelerated Pressure
Sustaining, Manual Control, Downstream Vent Control Valve installation, operation and
maintenance processes.
The A.R.I. R-20 SM Series is line of large sized, metal, diaphragm-operated hydraulic control valves.
The valves are suitable for installation in industrial, water transmission and waterworks systems for
various infrastructure applications.
The R-20 SM 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 R-20 SM 3-Way Accelerated Pressure Sustaining Manual Control, Downstream Vent, Control
Valve is designed to sustain and maintain a pre-defined level of upstream pressure and efficiently
and rapidly relieve excess pressure to the downstream system.
The R-20 SM valves are available in 2"-14" sizes.
R-20 SM
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for ARI Eliptix R-20 SM Series
Summary of Contents for ARI Eliptix R-20 SM Series
- Page 1 R-20 SM R-20 SM 3W Pressure Sustaining Control Valve 3 Way The following is a step by step narrated description of the Eliptix R-20 SM 3W Accelerated Pressure Sustaining, Manual Control, Downstream Vent Control Valve installation, operation and maintenance processes. The A.R.I.
-
Page 2: Table Of Contents
R-20 SM TABLE OF CONTENTS 1. SAFETY INSTRUCTIONS ........................5 General ..................................5 Handling ..................................5 Installation ..................................6 Commissioning and Operation ............................ 6 Maintenance ................................. 6 Before returning to regular operation ........................7 2. INSTALLATION ............................8 2.1. Pre installation requisites ............................8 2.2. - Page 3 R-20 SM 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
R-20 SM 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
R-20 SM 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
R-20 SM 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
R-20 SM 2. INSTALLATION 2.1. Pre installation requisites 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: Installation Procedure
R-20 SM 2.2. Installation procedure Install the valve as indicated by the arrow on the valve bonnet, indicating flow direction [1]. It is recommended to install isolation valves [2] upstream and downstream of the control valve. Turn the 3-way manual selector ball valve [4] to Auto position. Check for leaks;... -
Page 9: Initial Start-Up - The Control Valve
R-20 SM 2.3. Initial Start-up - The Control Valve Make sure that the upstream and downstream isolation valves are closed. Turn adjusting screw [3A] clockwise until the screw head touches the pilot's bonnet. Turn adjusting screw [5A] counter-clockwise until the screw head touches the pilot's bonnet. Turn the 3-way manual selector ball valve [4] to Auto position. - Page 10 R-20 SM Description QTY. Main Valve Finger Filter Multipurpose pilot valve, 3-Way Manual Selector, ball valve,3-Way Accelerator pilot valve, 3-Way Plug...
-
Page 11: Operation Instructions
R-20 SM 3. OPERATION INSTRUCTIONS To manually open the valve, turn the 3-way manual selector ball valve [4] to open position. Please note: By doing so you will have no control over the system pressure and flow-rates. In order to change the minimum upstream preset pressure see section 2.3 4. -
Page 12: Troubleshooting
R-20 SM 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 and/or the pump is on. Valve does not close 1. Debris on the sealing 1. -
Page 13: Dimensional Drawing
R-20 SM 6. DIMENSIONAL DRAWING... -
Page 14: Limited Warranty
R-20 SM 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.
Need help?
Do you have a question about the Eliptix R-20 SM Series and is the answer not in the manual?
Questions and answers