Standard No.:	GB/T 18443.8-2010
English Name:	Testing method of performance for vacuum insulation cryogenic equipment—Part 8:Volume measurement
Chinese Name:	真空绝热深冷设备性能试验方法 第8部分：容积测量
Chinese Classification:	J74    Pressure vessel
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; SAC
Issued on:	2010-9-26
Implemented on:	2011-2-1
Status:	valid
Superseding:	GB/T 18443.1-2001 Testing method of cryo-insulation pressure vessels-Volume measurement
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	180.0
Delivery:	via email in 1 business day

1 Scope This part of GB/T 18443 specifies the testing principle and method, testing device, apparatus and instruments, testing conditions and preparation, testing procedure, data processing, testing record, testing report and other requirements for volume measurement of vacuum insulation cryogenic equipment. This part is applicable to volume measurement of vacuum insulation cryogenic equipment such as vacuum insulation cryogenic pressure vessels, vacuum insulation cryogenic welded gas cylinders and vacuum insulation pipes and pipe fittings, excluding those for storage and transportation of liquid hydrogen medium. 2 Normative References The following documents contain provisions which, through reference in the text, constitute provisions of this part of GB/T 18443. For dated reference, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the documents. For any undated references, the latest edition of the document referred to applies. GB/T 18443.1-2010 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 1: Basic Requirements GB/T 18443.2 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 2: Vacuum Degree Measurement GB/T 18443.3 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 3: Leakage Measurement GB/T 18443.4 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 4: Leak-outgassing Rate Measurement GB/T 18443.5 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 5: Static Vaporation Rate Measurement GB/T 18443.6 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 6: Heat-leak Rate Measurement GB/T 18443.7 Testing Method of Performance for Vacuum Insulation Cryogenic Equipment - Part 7: Holding Time Measurement JB/T 4746 Formed Heads for Steel Pressure Vessels 3 Terms and Definitions For the purposes of this part, the terms and definitions defined in GB/T 18443.1 ~ GB/T 18443.7 and the following apply.

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Testing Principles and Methods 5 Testing Devices, Apparatus and Instruments 6 Testing Conditions and Preparation 7 Testing Procedure Requirements 8 Data Processing 9 Testing Record and Testing Report Annex A (Informative) Volume Testing Record (Geometric Dimension Measurement Method) Annex B (Informative) Volume Testing Report (Geometric Dimension Measurement Method)