Specifications - City of Montpelier, Vermont

Title:15100 – ValvesMontpelier District HeatingCity of Montpelier, VTIssue Date:September 28, 2012Page #:3 of 9PART 2– PRODUCTS2.1 VALVE FEATURES, GENERALA. Pressure and Temperature Ratings: As scheduled and required to suit systempressures and temperatures.B. Sizes: Same size as upstream pipe, unless otherwise indicated.C. Operators: Provide the following special operator features:1. Hand wheels, fastened to valve stem, for valves other than quarter turn.Operating force not to exceed 80 pounds.2. Lever handles on quarter turn valves 6" and smaller. Valves larger than 6"shall be equipped with gear drive operators.3. In mechanical spaces only, provide chain wheel operators, for valves 2½"and larger installed 96" or higher above finished floor elevation. Extendchains to an elevation of 60" above finished floor elevation.D. Extended Stems: Where insulation is indicated or specified, provide extendedstems arranged to receive insulation.E. End Connections: As indicated in the valve specifications.1. Threads: Comply with ANSI B1.20.1.2. Flanges: Comply with ANSI B16.1 for cast iron, ANSI B16.5 for steel,and ANSI B16.24 for bronze valves.3. Solder Joint: Comply with ANSI B16.18.2.2 Ball ValvesA. Ball Valves, 2" and Smaller, Carbon Steel Body: rated for 150 psi saturated steampressure, 2000 psi WOG pressure for ¼" through 1", 1500 psi WOG pressure for1¼" through 2"; two piece construction; with carbon steel body, standard (orregular) port, 316 stainless steel ball and stem, replaceable "Teflon" or "TFE"seats and seals, blowout proof stem, vinyl covered steel handle, threaded ends andextended stem for insulated piping.Apollo73A14x seriesVALVES151003