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Specifications - City of Montpelier, Vermont

Specifications - City of Montpelier, Vermont

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Title:<strong>Montpelier</strong> District Heating<strong>City</strong> <strong>of</strong> <strong>Montpelier</strong>, VT15135 – Meters and GagesIssue Date:September 28, 2012Page #:3 <strong>of</strong> 7B. Case: Hermetically sealed, 5" diameter case <strong>of</strong> welded stainless steel constructionwith external adjustment.C. Bimetal coil, plastic window, white dial with black markings. Liquid filled wheresubject to vibration.D. Stem length <strong>of</strong> 6", or adjust length to be minimum 3" from insulation, ½" NPTstem connection.E. Manufacturers:2.3 THERMOMETER WELLSNonfilled#50EI60E seriesFilled#50EL60E seriesAshcr<strong>of</strong>t, Dresser Industries,Instrument Div.H. O. Trerice Co. B8560 series B8560 seriesWeiss Instruments, Inc. #5VBM series #SF5VBM seriesA. Threaded Thermometer Wells: 304 stainless steel for steel piping systems, brassfor copper piping systems, pressure rated to match piping system design pressure;with 2" extension for insulated piping and threaded cap nut with chainpermanently (material to match well material) fastened to well and cap.B. Welded Thermometer Wells: Not permitted.2.4 PRESSURE GAGESA. Type: General use, ASME B40.1, Grade 2A, phosphor bronze bourdon tube type,bottom connection.B. Case: Phenolic, 4½" diameter.C. Connector: Brass, ¼" NPS.D. Scale: White coated aluminum, with permanently etched markings.E. Accuracy: Plus or minus 1% <strong>of</strong> range span.F. All gages shall be liquid filled. Liquid fill for nonfreezing applications shall beglycerin, freezing applications shall be silicone.METERS AND GAGES151353

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