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Summary of Contents for Armstrong 11AV
- Page 1 Free Floating Lever Air/Gas Vents 46-C Models 11AV, 22AV and 13AV Installation and Operation Manual...
- Page 2 Warning: This bulletin should be used by experienced personnel as a guide to the installation and maintenance of the Armstrong Air/Gas Vents. Selection or installation of equipment should always be accompanied by competent technical assistance. We encourage you to contact Armstrong or your local representative if further information is required.
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Page 3: Installation Procedures
Leave the end thread exposed to avoid introducing sealant into the system. When tightening a pipe into either the inlet or outlet fittings of an 11AV, 22AV or 13AV use only the hex-shaped fittings as wrenching surfaces. Do not use other parts of the vent for wrenching as unnecessary stress may be placed on the vent body. -
Page 4: Troubleshooting
Back-flushing to remove scale and dirt often restores the air vent to its normal operating condition. When an 11AV, 22AV or 13AV cannot be made to operate properly, replace it with a new one having the same orifice size. - Page 5 Free Floating Lever Air/Gas Vents - All Stainless Steel Models 11AV, 22AV and 13AV Maximum Operating Pressures of free floating lever vents with weighted floats for different orifice sizes, and the specific gravities on which they can be used. 11-AV Maximum Operating Pressures Minimum Specific Gravity 0.75...
- Page 6 Armstrong International 816 Maple Street, Three Rivers, MI 49093 – USA Phone: (269) 273-1415 Fax: (269) 278-6555 armstronginternational.com 46-C Printed in U.S.A. - 11/11 © 2011 Armstrong International, Inc.