Standard No.:	GB/T 2624-1993
English Name:	Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
Chinese Name:	流量测量节流装置用孔板、喷嘴和文丘里管测量充满圆管的流体流量
Chinese Classification:	N12    Flow capacity and material level instrument
Professional Classification:	GB    National Standard
ICS Classification:	17.120.10 17.120.10    Flow in closed conduits 17.120.10
Issued by:	CSBTS
Issued on:	1993-02-03
Implemented on:	1993-8-1
Status:	abolished
Superseded by:	GB/T 2624.3-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 3: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 GB/T 2624.2-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates GB/T 2624.1-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements GB/T 2624.4-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes
Superseded on:	2007-7-1
Abolished on:	2007-07-01
Superseding:	GB 2624-1981 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 GB/T 2624.4-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes
Language:	English
File Format:	PDF
Word Count:	32500 words
Price(USD):	970.0
Delivery:	via email in 1~10 business day

本标准规定了节流装置中的孔板、喷嘴和文丘里管的结构形式、技术要求以及节流装置的使用方法、安装和工作条件、检验规则和检验方法。同时还给出了计算流量及其有关不确定度等方面的必需资料。本标准适用于取压方式为角接取压、法兰取压、D和D/2取压以及节流件为孔板、喷嘴和文丘里管的节流装置。每一种节流装置只能在规定的使用极限之内。本标准中所规定的节流装置适用下列条件：流体必须是充满圆管和节流装置；流体通过测量段的流动必须是保持亚音速的、稳定的或仅随时间缓慢变化的；流体必须是单相流体或者可认为是单相流体。本标准不适用于管道公称通径小于50mm和公称通径大于1200mm，或者管道雷诺数低于3150的场合。