Title: AV-1 alarm valve.pdf
. . . . . . . . . . . . . . . . . . . . . . . . . .1 1 2 2 2 2CH CH CH CH CH CHNipple NumberSelect Appropriate Nipple Sizes per AV-1 Alarm Check Valve Size23 24 254 Inch (DN100) 1/2" x 1-1/2" 1/2" x 3-1/2" 1/2" x 7"6 Inch (DN150) 1/2" x 2-1/2" 1/2" x 4-1/2" 1/2" x 8"NOTES: 1.All Fittings and Nipples are galvanized (Standard Order). CH: Common Hardware.2.3/4 INCH NPT CONNECTION FOR WATER MOTOR ALARMLOCATION FOR OPTIONAL ELECTRICALLY SUPERVISED N.O. ALARM CONTROL VALVE1/2 INCH NPT CONNECTION FOR WATERFLOW PRESSURE ALARM SWITCH3/4 INCH NPT CONNECTION FOR WATER MOTOR ALARM1/2 INCH NPT CONNECTION FOR WATERFLOW PRESSURE ALARM SWITCHORDERED SEPARATELY (FOR VARIABLE PRESSURE SYSTEMS)8MODEL RC-1 RETARD CHAMBERALARM TEST VALVE (NORMALLY CLOSED)24420121/2" x 1-1/2" (4 INCH VALVE) or 1/2" x 2-1/2" (6 INCH VALVE)101891/2" x 3-1/2" (4 INCH VALVE) or 1/2" x 4-1/2" (6 INCH VALVE)2322126SYSTEM PRESSURE GAUGE2816151119SUPPLY PRESSURE GAUGE12