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ASME MFC-26 - Measurement of Gas Flow by Bellmouth Inlet Flowmeters
August 10, 2011 - ASME

This Standard applies only to the steady flow of single-phase gases and gas mixtures and applies only to bellmouth inlet flowmeters in which the flow remains subsonic throughout the measuring section and the flow is steady or varies only slowly with time. It also...

ASTM C1774 - Standard Guide for Thermal Performance Testing of Cryogenic Insulation Systems
November 1, 2013 - ASTM

This guide provides information for the laboratory measurement of the steady-state thermal transmission properties and heat flux of thermal insulation systems under cryogenic conditions. Thermal insulation systems may be composed of one or more materials that may be homogeneous or non-homogeneous;...

NACE SP0313 - Guided Wave Technology for Piping Applications
October 2, 2013 - NACE

General This standard is primarily applicable to GWT tools that are designed to be coupled to the external surface of the pipe. However, this standard can be adapted to GWT technology that couples to the interior of the pipe using deployment tools such as tethered, remotely controlled, internal...

API TR 2571 - Fuel Gas Measurement
March 1, 2011 - API

This Technical Report (TR) provides guidance in the following areas to allow the user to achieve a targeted uncertainty of measurement: - selection of flow meter type; differential pressure (DP), displacement, ultrasonic, Coriolis, vortex, turbine, thermal, and others; - associated...

DS/EN ISO 6145-9 - Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 9: Saturation method
March 21, 2011 - DS

ISO 6145-9:2009 is one of a series of International Standards dealing with various dynamic volumetric methods used for the preparation of calibration gas mixtures. This part specifies a method for continuous production of calibration gas mixtures containing one or more...

DS/EN ISO 6145-10 - Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 10: Permeation method
October 22, 2008 - DS

This part of ISO 6145 specifies a dynamic method using permeation membranes for the preparation of calibration gas mixtures containing component mole fractions ranging from 10-9 and 10-6. A relative expanded uncertainty of 2,5 % of the component mole fraction can be achieved using...

DIN EN ISO 6145-9 - Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 9: Saturation method (ISO 6145-9:2009)
March 1, 2011 - DIN

This part of ISO 6145 is one of a series of International Standards dealing with various dynamic volumetric methods used for the preparation of calibration gas mixtures. This part specifies a method for continuous production of calibration gas mixtures containing one or...

ISO 17089-1 - Measurement of fluid flow in closed conduits — Ultrasonic meters for gas — Part 1: Meters for custody transfer and allocation measurement
November 15, 2010 - ISO

This part of ISO 17089 specifies requirements and recommendations for ultrasonic gas flowmeters (USMs), which utilize the transit time of acoustic signals to measure the flow of single phase homogenous gases in closed conduits. This part of ISO 17089 applies to transit time...

API SPEC 19G2 - Flow-control Devices for Side-pocket Mandrels
June 1, 2010 - API

This part of ISO 17078 provides requirements for subsurface flow-control devices used in side-pocket mandrels (hereafter called flow-control devices) intended for use in the worldwide petroleum and natural gas industry. This includes requirements for specifying, selecting,...

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