Specifications - City of Montpelier, Vermont

Title:Montpelier District Heating15510 – Hydronic PipingCity of Montpelier, VTIssue Date:September 28, 2012Page #:8 of 143. Cylinder strainer with 3/16 inch diameter openings with total free areaequal to or greater than 5 times cross sectional area of pump suction,designed to withstand pressure differential equal to pump shutoff head.4. Disposable fine mesh strainer to fit over cylinder strainer.5. Permanent magnet, located in flow stream, removable for cleaning.6. Adjustable foot support, designed to carry weight of suction piping.7. Blowdown tapping in bottom; gage tapping in side.8. Manufacturers:a. Bell and Gossett Suction Diffuserb. Taco, Inc. SD seriesc. Metraflex Pump Suction Aidd. VictaulicD. Basket Strainers: 125 psig working pressure; high tensile castiron body (ASTMA 126, Class B), flanged end connections, bolted cover, perforated Type 304stainless steel basket, and bottom drain connection.1. Spirax Sarco #5282. Metraflex style B1M3. Mueller #165E. Grooved End Strainers : 300 psig maximum working pressure; ductileiron body(ASTM A 536), grooved end connections, coupled cover, perforated Type 304stainless steel basket, and blowdown connection.1. Victaulic Style 732 (Wye Type)2. Victaulic Style 730 (Tee Type)F. Chemical Shot Feeder (Filter Feeder): Furnish filter feeders of 7.5gal capacity orotherwise as indicated, constructed of cast iron or steel, for introducing chemicalsinto the piping system and to provide a constant filtering action with minimalflow. Provide a removable cap, drain valve on bottom, and system isolationvalves on side. Construct for 125 psi working pressure.1. Neptune model FTF5CL.HYDRONIC PIPING 15510 8