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Summary of Contents for ARI VB-060
- Page 1 General Installation, Operation and Maintenance Manual for Vacuum Breaker Valves Table of Contents: 1. Introduction 2. Receiving, handling and storage 3. Description of operation 4. Installation 5. Maintenance...
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Page 2: Receiving, Handling & Storage
1 Introduction This manual will provide the information to properly install and maintain the VB-060 vacuum breaker valve and ensure a long service life. The VB-060 vacuum breaker valves have rugged construction to provide many years of trouble-free operation. The VB-060 vacuum breaker valve provides high capacity vacuum protection. When vacuum condition occurs the valve will intake a full volume of air. -
Page 3: Installation
4 Installation Lifting Options... - Page 4 Air Valve Installation Recommendation for Riser Dimensions D ≤ 300 mm d=0.6 D 300 mm < D ≤ 1500 mm d ≥ 0.35 D D > 1500 mm h ≥ D or h=D/2 and h ≥ 150 mm Ød...
- Page 5 The air valve should be installed in a vertical position. Not Correct Correct The standpipe should be attached to the crown of the pipe and not from the side of the pipe. Not Correct Correct...
- Page 6 The standpipe should connect directly to the air valve and must be of an equal or greater diameter than the air valve. Not Correct Correct...
- Page 7 An isolation valve must be installed to allow for proper maintenance and should be positioned close to the main pipe. Not Correct Correct...
- Page 8 In case of installation in an underground chamber, a vent pipe must be installed with a diameter equal to or greater than the air valve. The vent outlet must have a mesh screen to prevent entry of animals or objects. Not Correct Correct...
- Page 9 In installations, such as under a road, where the air valve must be displaced to the side, the connecting pipe after the isolation valve must be on a slight incline. The standpipe at this point can be connected vertically to the air valve.
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Page 10: Troubleshooting
5 Maintenance Manual Vacuum Breakers require no lubrication. MAINTENANCE: consists of keeping the outlet free from debris on an annual basis. INSPECTION: Periodic inspection for leakage can be performed by inspecting the top of the valve for accumulation of fluid. If leakage is heard, close the isolation valve, follow instructions for disassembly, and inspect the sealing surface for wear or mineral deposits. - Page 11 Reassembly All parts must be clean before reassembly. 1. Place the remaining Cover Assembly on the Disc Assembly (7,8 – 17,18). 2. Place the Spring Lock (3) on to the Guide Pin (5) and screw on the two Nuts (2) until the distance from the top of the Guide Pin to the upper part of the upper Nut is the same as that measured in Disassembly Step 5.
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