API TR 2574 pdf download
API TR 2574 pdf download Field Testing Protocol for Characterization of Total Gaseous Nonmethane Organics (TGNMO), Methane, and Ethane in Air–Vapor Mixture During Filling of a Cargo Vessel with Crude Oil 1 Scope 1.1 Applicability This method applies to the measurement of volatile organic compounds (VOC) as total gaseous nonmethane organics (TGNMO), methane and ethane from the air–vapor mixture that...
API TR 2575 pdf download
API TR 2575 pdf download Measurement of Thermally Cracked Gas 1 Scope This technical report presents a method to compute the density, compressibility factor, and supercompressibility factorfor thermally cracked gas (TCG) for custody transfer using orifice meters. It provides equations，parameters,computation flow diagrams, and example spreadsheet calculations. This technical report applies to TCG mixtures after treatment. See Table 2 for more...
API TR 2576 pdf download
API TR 2576 pdf download Short-term Evaporative Loss Estimation from Atmospheric Storage Tanks 3.4.3.2 Wind Speed The function of the fixed roof on an internal floating-roof tank and a domed external floating-roof tank is not to act as a vapor barrier, but to block the wind. Wind speed is a large contributor to emissions for external floating-roof tanks from the...
API TR 2578 pdf download
API TR 2578 pdf download Flow Conditioner Installation and Effects on Turbine Meters 2.1.2 The data from our testing shows that the larger the strainer inletloutlet and body, the lower the variation inmeter factor (MF) on proving runs. a) For the same nozzle size and configuration, a larger bodybasket yielded slightly less variance in MF on the test runs. b)...
API 624 pdf download
API 624 pdf download Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions 4 Valve Selection and Test Preparation 4.1 The APl 622 certificate or test report for the packing in the test valve shall be provided and attached to the API624 fugitive emissions test report. 4.2 The test valve shall be completely assembled and ready...
API 13TR1 pdf download
API 13TR1 pdf download Stress Corrosion Cracking of Corrosion Resistant Alloys in Halide Brines Exposed to Acidic Production Gas 5.4 Addition of O 2 Scavenger The possibility that SCC of duplex SS could result from decomposition of bisulfite (HSO 3 ) O 2 scavenger was raised [17], but our testing was limited to tests of modified 13Cr SSs in...
API 526 7th pdf download
API 526 7th pdf download Flanged Steel Pressure-relief Valves 7.4Dimensions Center-to-face dimensions shall be in accordance with Table 3 through Table 16 for spring-loaded valves andTable 16 through Table 29 for pilot-operated valves, with tolerances of±11s in. for valve inlet sizes up to and including4 in., and +1/8 in. for valve inlet sizes larger than 4 in. Flange facings and...
API 594 pdf download
API 594 pdf download Check Valves: Flanged, Lug, Wafer and Butt-welding 4.1.16 When valve design utilizes a stem that extendsbeyond the pressure boundary,it shall be provided with ameans so that,in the event of a structural failure of stem-to-closure attachment items, the stem will not be ejected throughthe pressure boundary while the valve is under pressure.4.2PLATES AND DISC Valves are classified...
API 609 pdf download
API 609 pdf download Butterfly Valves: Double Flanged, Lug- and Wafer-Type 3.3SEAT RATING 3.3.1For Category B valves the valve seat ratings for PTFEand RPTFE shall be at least equal to those listed in Table 3.For seating materials not listed in Table 3 , seat ratings shall bcagreed upon by the purchaser and the manufacturer. 3.3.2Valves furnished with internal liners， encapsulation,resilient...
API 1102 pdf download
API 1102 pdf download Steel Pipelines Crossing Railroads and Highways 2.3.10 maximum allowable operating pressure (MAOP)or maximum operating pressure (MOP) The maximum pressure at which a pipeline or segment of a pipeline may be operated with limits as determined byapplicable design codes and regulations. 2.3.11 percussive moling A construction method in which a device is used to advance a hole...