GB/T 18442.6-2019 PDF EnglishUS$195.00 · In stock · Download in 9 seconds
GB/T 18442.6-2019: Static vacuum insulated cryogenic pressure vessels - Part 6: Safety protection Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 18442.6: Historical versions
Similar standardsGB/T 18442.6-2019: Static vacuum insulated cryogenic pressure vessels - Part 6: Safety protection---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT18442.6-2019GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 23.020.40 J 76 Replacing GB/T 18442.6-2011 Static vacuum insulated cryogenic pressure vessels - Part 6.Safety protection Issued on. DECEMBER 31, 2019 Implemented on. DECEMBER 31, 2019 Issued by. State Administration for Market Regulation; Standardization Administration of PRC. Table of ContentsForeword... 3 1 Scope... 5 2 Normative references... 6 3 Terms and definitions... 6 4 Safety accessories, instruments and handling accessories... 6 Appendix A (Normative) Calculation of safe discharge volume of tank and discharge capacity of overpressure relief device... 18 References... 31ForewordGB/T 18442 "Static vacuum insulated cryogenic pressure vessel" is divided into the following 7 parts. - Part 1.Rules; - Part 2.Materials; - Part 3.Design; - Part 4.Fabrication; - Part 5.Inspection and test; - Part 6.Safety device requirements; - Part 7.Rules of pressure strengthening for inner vessels. This part is Part 6 of GB/T 18442. This part was drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 18442.6-2011 "Static vacuum insulated cryogenic pressure vessel - Part 6.Safety device requirements". Compared with GB/T 18442.6-2011, the main technical changes except for editorial changes are as follows. - MODIFY the general requirements; ADD the explosion-proof requirements of electrical control components, as well as the connection requirements of safety valves, instruments and handling accessories and pipelines; - MODIFY the setting requirements of the overpressure relief device of the inner vessel; MODIFY the schematic diagram of the typical setting of the overpressure relief device; - MODIFY the design requirements of overpressure relief devices; - ADD the installation requirements of the overpressure relief device of the inner vessel, the type of the explosion-proof device of the outer casing, the requirements of the installation location; - MODIFY the requirements for the setting of the emergency shut-off valve, the grounding resistance value of the static conductive grounding device, the requirements for the liquid level measuring device and the pressure measuring device, the requirements for handling accessories; - ADD the relevant requirements for temperature measuring devices, vacuum measuring devices, measuring devices with sensors or electrical control elements; - DELETE handling hoses and related requirements; - In Appendix A, ADD the provisions for the calculation method of the safe discharge volume of tanks storing non-flammable and explosive media; MODIFY the formula (A.5). The calculation of the safe discharge volume of the tank body and the discharge capacity of the overpressure relief device in this part refers to ISO 21013-3.2016 “Cryogenic vessels - Pressure-relief accessories for cryogenic service - Part 3. Sizing and capacity determination”. This part was proposed by and shall be under the jurisdiction of the National Boiler and Pressure Vessel Standardization Technical Committee (SAC/TC 262). Drafting organizations of this part. Shanghai Huali Safety Equipment Co., Ltd., Shanghai Gas Industry Association, Zhangjiagang CIMC Sanctum Cryogenic Equipment Co., Ltd., Air Liquide (China) Investment Co., Ltd., Chatter Cryogenic Engineering System (Changzhou) Co., Ltd., China Special Equipment Inspection and Research Institute, East China University of Science and Technology, Shenyang Special Equipment Inspection and Research Institute, Shanghai Huayi Group Equipment Engineering Co., Ltd. The main drafters of this part. Shi Feifei, Zhou Weiming, Wu Quanlong, Gao Jie, Chen Qinjian, Teng Junhua, Chen Wenfeng, Chen Zhaohui, Hui Hu, Liu Duo, Wei Yongbiao. This standard replaces the standard previously issued as follows. - GB/T 18442.6-2011; - GB 18442-2001. Static vacuum insulated cryogenic pressure vessels - Part 6.Safety protection1 ScopeThis part of GB/T 18442 specifies the selection principles and setting requirements of safety accessories, gauges, handling accessories used in static vacuum insulated cryogenic pressure vessels (hereinafter referred to as "cryogenic vessels"), as well as the calculation of the safety discharge volume of tank, the calculation of the discharge capacity of the overpressure relief device. This part applies to cryogenic vessels that meet the following conditions at the same time. a) The working pressure of the inner vessel is not less than 0.1 MPa; b) The geometric volume is not less than 1 m3; c) The insulation method is vacuum powder insulation, vacuum composite insulation or high vacuum multilayer insulation; d) The storage medium is a refrigerated liquefied gas with a standard boiling point not lower than -196 °C. This part does not apply to cryogenic vessels in the following ranges. a) The inner vessel and outer shell materials are non-ferrous or non-metallic; b) Spherical structure; c) Stacked and insulated; d) Mobile; e) Store frozen liquefied gas medium with standard boiling point lower than -196 °C; f) The storage medium is a toxic gas according to GB 12268; g) Special requirements for national defense and military equipment.2 Normative referencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this standard. GB/T 150 (all parts) Pressure vessel GB/T 567.1 Bursting disc safety device - Part 1.Basic requirements GB/T 567.2 Bursting disc safety device - Part 2.Application, selection and installation GB/T 567.3 Bursting disc safety device - Part 3.Classification and installation dimensions GB/T 567.4 Bursting disc safety device - Part 4.Type test GB/T 18442.1 Stationary vacuum thermal-insulating cryogenic pressure vessel - Part 1.Rule GB/T 18442.3 Stationary vacuum thermal-insulating cryogenic pressure vessel - Part 3.Design GB/T 18442.5 Stationary vacuum thermal-insulating cryogenic pressure vessel - Part 5.Inspection and test3 Terms and definitionsThe terms and definitions as defined in GB/T 150, GB/T 18442.1, GB/T 18442.3, GB/T 18442.5 apply to this document.4 Safety accessories, instruments and handling accessories4.1 General requirements 4.1.1 The settings of safety accessories, instruments and handling accessories shall meet the requirements of the design documents, in addition to the requirements of TSG21 and this part. 4.1.6 The manufacturing license and type test of safety accessories and handling accessories shall meet the requirements of the corresponding safety technical specifications. 4.1.7 Safety accessories, instruments and handling accessories shall meet the requirements of the corresponding safety technical specifications and product standards; have a product quality certification or product quality certificate. 4.1.10 The connection between safety accessories, instruments and pipelines can be welded, flanged or threaded. 4.1.11 The connection between the handling accessories and the pipeline shall be welded or flanged as far as possible. 4.2 Overpressure relief device of inner vessel 4.2.1 Requirements for the setting of overpressure relief devices for inner vessels 4.2.1.3 The design of the overpressure relief device of the inner vessel shall meet the following requirements. 4.2.1.4 The installation of the overpressure relief device of the inner vessel shall meet the following requirements. 4.2.1.5 The overpressure relief device of the inner vessel shall be clearly and permanently marked; the marking content shall include at least. 4.2.2 Safety discharge volume of inner vessel 4.4.1.4 The device equipped with a remote-control interface to facilitate the closing operation of the remote-control system shall be set in a location that is easy for personnel to reach in the engineering system. 4.4.1.5 The connection between the emergency shut-off valve and the liquid phase port, gas phase port, and booster port of the tank can be flanged or welded. 4.4.2 Performance requirements of emergency shut-off devices 4.6 Level measuring device 4.6.1 Cryogenic vessels shall be equipped with one or more liquid level measurement devices, such as mechanical pointer level gauges (hereinafter referred to as "level gauges"), digital level display instruments, etc., for tank level measurement auxiliary measurement of filling volume. 4.7 Pressure measuring device 4.7.1 Cryogenic vessels shall be equipped with one or more pressure measuring devices, such as mechanical pointer pressure gauges (hereinafter referred to as "pressure gauges") or digital pressure display instruments, to display the working pressure in the tank. 4.7.2 The selection and setting of pressure measuring devices shall meet the following requirements. 4.10.2 The measuring range and accuracy level of the measuring device shall meet the requirements of the design documents. 4.10.3 The installation structure of the measuring device shall be firm and reliable; its connecting wires and conduits shall not interfere with adjacent parts. 4.11 Handling accessories 4.11.1 The valve material shall be compatible with the medium; the valve shall not be made of cast iron or non-metallic materials. 4.11.2 The nominal pressure of the handling valve shall not be lower than the design pressure of the pipeline; its pressure test and air tightness test pressure shall meet the following requirements. 4.11.3 The manual valve shall be able to be fully opened and fully closed flexibly under the pressure of the air tightness test of the valve; meanwhile there shall be no abnormal resistance or idling. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 18442.6-2019 be delivered?Answer: The full copy PDF of English version of GB/T 18442.6-2019 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 18442.6-2019_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 18442.6-2019_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 18442.6-2019 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.Question 5: Should I purchase the latest version GB/T 18442.6-2019?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18442.6-2019 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.How to buy and download a true PDF of English version of GB/T 18442.6-2019?A step-by-step guide to download PDF of GB/T 18442.6-2019_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB/T 18442.6-2019". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
