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    5.9.3 Steam Boiler Return Pipe Connections5.9.3.1 The return pipe connections of each boilersupplying a gravity-return steam-heating system shallbe so arranged as to form a loop similar to that shownin Figures 5.9.1-3 and 5.9.1-5 so that the water in eachboiler cannot be forced out below the safe water level.5.9.3.2 For handfired boilers with a normal...

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    101.1.3 Maintaining Proper Water Level. Boiler water level control and furnace pressure control, where required,are subsystems of combustion control. Every effort should be made to place these on automatic operation as soon aspossible during start-up because otherwise, they require constant operator attention.CAUTION: Operating without sufficient water to...

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    ð23SUBSECTION BREQUIREMENTS PERTAINING TO METHODSOF FABRICATION OF PRESSURE VESSELSPART UWREQUIREMENTS FOR PRESSURE VESSELS FABRICATED BYWELDINGGENERALUW-1 SCOPEThe rules in Part UW are applicable to pressure vesselsand vessel parts that are fabricated by welding and shallbe used in conjunction with the general requirements inSubsection A, and with the...

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    PART 4DESIGN BY RULE REQUIREMENTS4.1 GENERAL REQUIREMENTS4.1.1 SCOPE4.1.1.1 The basic requirements for application of the design-by-rules methods of this Division are described in 4.1.The requirements of Part 4 provide design rules for commonly used pressure vessel shapes under pressure loading and,within specified limits, rules or guidance for treatment...

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    Approval Date: December 30, 2006Code Cases will remain available for use until annulled by the applicable Standards Committee.Case 1827-3Nickel-Chromium-Iron Alloy N06600 forWater-Wetted ServiceSection IInquiry: May nickel-chromium-iron Alloy UNSN06600 seamless condenser and heat exchanger tubes,seamless pipe and tubes, plate, sheet and strip, rod andbar,...

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    Title : NULL Organization : VOLVO...

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    WRC 379 Alternative Methods for Seismic Analysis of Piping Systems Bulletin / Circular by Welding Research Council, 1993 Committee on Dynamic Analysis of PVRC

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    GMW3091   10th Edition, June 2015 General Specification for Vehicles, Electromagnetic Compatibility

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