How do you ensure proper alignment when connecting flanged Class 150 pipe sections?

A minimum of Class 50 pipe shall be supplied for all sizes of pipe unless ... Valves, except as specified hereinafter, shall be Class 150A or B. See ... Pipe and Fittings: ASTM A 74, Service class. B. Gaskets: ASTM C 564, rubber ... 39; Class 150; hexagonal-stock body with ball-and- socket, metal-to ... Typically, back-up rings are ANSI Class 125 for gravity applications, ANSI Class 150 or AWWA ... 1ASME/ANSI B16.5 - 1996 Pipe Flanges And. Flanged Fittings ... B16.42, Ductile Iron Pipe Flanges and Flanged Fittings. Classes 150 and 300. n. B31.3, Process Piping. o ... "Class II asbestos work" means activities involving the removal of ACM which is not thermal system insulation or surfacing material. All ductwork and plenums with pressure class ratings shall be constructed to Seal Class A. ... informational order, and content approved by the Commission ... Class II asbestos work means activities involving the removal of ACM which is not thermal system insulation or surfacing material. This includes, but is not ... ... Class I Through Class IV Commodities · Chapter 15 Protection for Palletized ... pipe shall be isolated and hydrostatically tested at 150 psi (10.3 bar). for major non-interstate pipelines until 150 days following the issuance of an order ... PG&E's Pipe Ranger system posts daily information only at ... 3.10 Where vent pipe outlets for tanks storing Class I liquids are adjacent to buildings or public ... 14 109 150 194 241 289 339 393 447 506 565. 49. 998 ...