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GB/T 2624.3-2006 English PDF

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GB/T 2624.3-2006: Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full -- Part 3: Nozzles and Venturi nozzles
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 2624.3-2006574 Add to Cart 4 days Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full -- Part 3: Nozzles and Venturi nozzles Valid

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Basic data

Standard ID: GB/T 2624.3-2006 (GB/T2624.3-2006)
Description (Translated English): Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full -- Part 3: Nozzles and Venturi nozzles
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N12
Classification of International Standard: 17.120.10
Word Count Estimation: 29,241
Date of Issue: 2006-12-11
Date of Implementation: 2007-07-01
Older Standard (superseded by this standard): GB/T 2624-1993
Quoted Standard: GB/T 2624.1-2006; GB/T 17611-1998
Adopted Standard: ISO 5167-3-2003, IDT
Regulation (derived from): China Announcement of Newly Approved National Standards No. 13 of 2006 (No. 100 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the nozzle and venturi nozzle geometry and installed in a pipe full pipe fluid flow measurement using the method (installation and operating conditions). GB/T 1624 is also provided in this section may be used to calculate the flow rate with GB/T 1624. 1 requirements together with the relevant information. GB/T2624 This part applies to the entire measurement period subsonic flow of fluid retention, and can be considered as single-phase flow nozzles and Venturi nozzles. In addition, each device may only be used for specified pipe size and Reynolds number. This section does not apply to the measurement of pulsating flow. This section does not involve the nozzle and venturi nozzle sizes less than 50mm or greater than 630mm, or pipe Reynolds number less than 10, 000 pipes in use. GB/T 2624 This part involves a) Two types of standard nozzle: 1) ISA1932 nozzle, 2) diameter nozzle 5. B) Venturi nozzles. These two types of standard nozzle has a very different, so were to be described in this section. Venturi nozzle upstream end and ISA 1932 nozzle the same, but it has a diffuser, so the downstream pressure taps in different positions, so be described separately. This structure pressure loss lower than a similar nozzle. Two standard nozzles and Venturi nozzles have done direct calibration experiments the quantity, distribution range and quality sufficient to ensure application systems can be predicted with a certain degree of uncertainty limits the experimental results and calibration coefficients as the basis.
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