WebFlare Knock-Out Drum Elevation KO drum elevation decides pipe rack elevation based on 1:500 slope of main flare header Flare KO Drum elevation KO drum elevation determined by pump NPSH requirement To reduce pipe rack elevation options are Reduce KOD elevation (option 1) Use vertical can pump Locate pump within pit Locate KO drum within pit Weboffs of several lines from headers when the sequence is important from a process standpoint. Appropriate notes shall be added to clarify these conditions. Notes which are commonly required include such items as "slope" and "symmetrical piping". Process Unit P&ID's and Utility P&ID's Headers are not normally shown on the Process Unit/ Utility P ...
Manage Change to Flare Systems AIChE
WebFeb 19, 2014 · Flare piping loops are planned in horizontal plane (2D bends) in order to ensure pipe slope/free draining requirement. However no of loops should be minimised … WebJan 2, 2024 · Flare System Purge Requirements Purge gas composition Non-condensing – typically natural gas or nitrogen Non-corrosive Non-reactive to other gasses in the system Purge gas locations Upstream or downstream of a liquid seal End of major header or branch Purge must be continuous and measurable list of asx companies that pay dividends
steam condensate line design - Heat Transfer
WebSide flares, where provided, are intended primarily to prevent tripping hazards, not to accommodate wheelchair maneuvering at ramps (except in alterations where sufficient landing space is unavailable). Side flare slopes cannot exceed 1:10 maximum (or 1:12 maximum in alterations where a top landing is unavailable). WebNov 6, 2007 · The slope needed for a pipe to drain depends on several factors. Notionally any slope will drain but a common convention is to have at least 0.2% available slope. For that, bear in mind that there is another factor which is often overlooked, that being the … Professional forum and technical support for engineers for Chemical plant design & … WebJan 20, 2013 · slope could be either upstream or downstream. slope 1:100 means that every 100 m of horizontal length, the line will be sloped by 1 m. the most typical application of slope is relevant to the PSV inlet and outlet lines. - inlet line is sloped upstream to the vessel - outlet line is sloped downstream to the flare header list of ata carnet countries