Specifications - City of Montpelier, Vermont

Title:Montpelier District Heating15125 – Pipe Expansion JointsCity of Montpelier, VTIssue Date:September 28, 2012Page #:3 of 4c. MG Piping Products Co.d. Mason Industries, Inc.e. Metraflex Co.f. Vibration Mountings and Controls, Subsidiary of ARX.3. Slip Joints:a. Adsco Manufacturing Corp.b. Advanced Thermal Systems, Inc.4. Expansion Joints for Grooved Piping:a. Victaulic2.2 PIPE EXPANSION JOINTS, GENERALA. Pipe expansion joints shall provide 200 percent absorption capacity of pipingexpansion between anchors.2.3 PACKLESS EXPANSION JOINTSA. Expansion Compensators: Conform to the standards of the Expansion JointManufacturers Association and shall be pressure rated for 150 psi. Units shallhave Grade 304 stainless steel bellows and internal liner. Class 150 flanged endconnections, high corrugation self equaling ring controlled style.B. Rubber Expansion Joints: Fabricreinforced butyl rubber with fullfaced integralflanges, external control rods and shall be internally reinforced with steelretaining rings over entire surface of flanges, drilled to match flange bolt holes.2.4 SLIP JOINTSA. Slip Joints: Carbon steel slip type, designed for repacking under pressure. Slipjoints shall have drip connections for steam piping systems and flanged or weldends to mate with piping system. Packing shall be an asbestos free compound.PART 3 EXECUTION3.1 INSTALLATION, GENERALA. Install expansion joints and expansion loops where indicated and required foradequate expansion of installed piping system.PIPE EXPANSION JOINTS 15125 3