Related Manuals for VSI AWWA C508 Series
Summary of Contents for VSI AWWA C508 Series
- Page 1 VSI AWWA C508 RUBBER FLAPPER CHECK VALVE VSI Waterworks 2” - 48” AWWA C508 RUBBER FLAPPER CHECK VALVE INSTALLATION, OPERATION AND MAINTENANCE MANUAL Publication: VRSG-3 FEB 2016...
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Page 2: Table Of Contents
INSTALLATION, OPERATION AND MAINTENANCE VSI AWWA C508 RUBBER FLAPPER CHECK VALVE TABLE OF CONTENTS INSTRUCTIONS SAFETY MESSAGES GENERAL UNLOADING INSPECTION PRIOR TO INSTALLATION STORAGE INSTALLATION INSPECTION AND MAINTENANCE TROUBLESHOOTING DISASSEMBLY AND REASSEMBLY VRSG-3 © 2014 VSI Waterworks LLC 02-16... -
Page 3: Safety Messages
INSTALLATION, OPERATION AND MAINTENANCE VSI AWWA C508 RUBBER FLAPPER CHECK VALVE INSTRUCTIONS: These instructions are for the AWWA C508 Rubber Flapper Check Valves and who will be responsible for the installation, operation and maintenance of the valves. SAFETY MESSAGES: All Safety messages in this manual are flagged with an exclamation symbol and the word Danger, Caution or Warning. -
Page 4: Inspection Prior To Installation
INSTALLATION, OPERATION AND MAINTENANCE VSI AWWA C508 RUBBER FLAPPER CHECK VALVE SECTION 1 - GENERAL Rubber Flapper check valves form a significant component part of many firefighting or water-distribution systems. Failure of a Rubber Flapper Swing Check Valve in such systems, either caused by faulty installation or improper maintenance, could result in extensive damage and costly repairs. - Page 5 INSTALLATION, OPERATION AND MAINTENANCE VSI AWWA C508 RUBBER FLAPPER CHECK VALVE Sec. 5.2 Installation Valves in water-distribution lines shall, where practical, be located in easily accessible areas. During installation, there is the possibility of foreign materials inadvertently entering the valve.
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Page 6: Inspection And Maintenance
INSTALLATION, OPERATION AND MAINTENANCE VSI AWWA C508 RUBBER FLAPPER CHECK VALVE SECTION 6: INSPECTION AND MAINTENANCE Sec. 6.1 Valve Exercising Each Valve should be operated through a full cycle and returned to its normal position on a time schedule designed to prevent a buildup of tuberculation or other deposits that could render the Valve. The interval of... - Page 7 INSTALLATION, OPERATION AND MAINTENANCE VSI AWWA C508 RUBBER FLAPPER CHECK VALVE Sec. 6.5 Maintenance - Spring Return The spring adjusting mechanism where all components are made of stainless steel and a Rubber Flapper encapsulates a reinforcing plate. The Rubber Flapper Swing Check Valve requires no maintenance.
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Page 8: Troubleshooting
INSTALLATION, OPERATION AND MAINTENANCE VSI AWWA C508 RUBBER FLAPPER CHECK VALVE SECTION 8: TROUBLESHOOTING Problem Cause Correction Follow instructions for Interference between valve disc disassembly(maintenance section) and and seating surface check for any interference Uneven tightening of the cover or... -
Page 9: Disassembly And Reassembly
INSTALLATION, OPERATION AND MAINTENANCE VSI AWWA C508 RUBBER FLAPPER CHECK VALVE SECTION 9: DISASSEMBLY AND REASSEMBLY ATTENTION: DO NOT WORK ON ANY VALVE UNDER PRESSURE Sec. 9.1 Basic Valve Disassembly and Reassembly Shut off line flow fully and equalize pressure across valve by backflush attachment or other means...
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