GB 28051-2011 English PDF

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GB 28051-2011: [GB/T 28051-2011] Regulation for filling of welded insulated cylinder
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 28051-2011	159	Add to Cart	2 days	[GB/T 28051-2011] Regulation for filling of welded insulated cylinder	Valid

Similar standards

GB/T 24162   GB/T 24160   GB/T 24159   GB/T 28054   GB/T 28053   GB 28052   

Basic data

Standard ID: GB 28051-2011 (GB28051-2011)
Description (Translated English): [GB/T 28051-2011] Regulation for filling of welded insulated cylinder
Sector / Industry: National Standard
Classification of Chinese Standard: J74
Classification of International Standard: 71.100.20
Word Count Estimation: 6,610
Date of Issue: 2011-12-30
Date of Implementation: 2012-12-01
Quoted Standard: GB 24159; JB 6898
Regulation (derived from): Announcement of Newly Approved National Standards No. 23 of 2011
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 Chinese standard specifies the design and manufacture of GB 24159"welding insulation cylinder, "the basic principles and filling safety requirements. This standard applies to the normal ambient temperature (-40��C ~ 60��C) under use, storage medium is liquid oxygen, liquid nitrogen, liquid argon, carbon dioxide and nitrous oxide cryogenic liquids, the design temperature not lower than -196��C, nominal volume is 10L ~ 450 L, working pressure of 0. 2 MPa ~ 3. 5 MPa refillable vertical cylinders.

GB 28051-2011: [GB/T 28051-2011] Regulation for filling of welded insulated cylinder

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Regulation for filling of welded insulated cylinder ICS 71.100.20 J74 National Standards of People's Republic of China Welding insulation cylinder filling provisions Issued on. 2011-12-30 2012-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

All the technical contents of this standard is mandatory. Accordance with the standards GB/T 1.1-2009. Drafting Rules "Standardization Guide Part 1 standard structure and preparation of" given. This standard by the National Standardization Technical Committee cylinder (SAC/TC31) and focal points. This standard was drafted. Beijing Praxair Co., Ltd., Beijing Tianhai Industry Co., Ltd., Hangzhou New Century mixed gas Ltd., the Asian branch of China Gas Association. The main drafters of this standard. Song Qi, Yao Xin, Shen Yue Wu, Song Liansheng, Chen Jianlin, Zhaojun Xiu. Welding insulation cylinder filling provisions

1 Scope

This standard specifies the design and manufacture of GB 24159 "welding insulation cylinder" (also known as low-temperature insulation cylinder, hereinafter referred to as cylinders) filling The basic principles of safety and technical requirements. This standard is applicable for use in normal ambient temperature (-40 ℃ ~ 60 ℃), the storage medium is liquid oxygen, liquid nitrogen, liquid argon, carbon dioxide and Cryogenic liquid nitrous oxide, the design temperature is not lower than -196 ℃, the nominal volume of 10L ~ 450L, working pressure of 0.2MPa ~ 3.5MPa can Refillable vertical cylinders.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 24159 welding insulation cylinder JB6898 cryogenic liquid storage equipment safety rules Check before filling 3 3.1 cylinders should have the following tags. a) cylinders shall have a "manufacturing license," the unit of production, and the manufacturer's name and the supervision and inspection mark; b) cylinders working pressure; c) number of cylinders and cylinder bottle NW; d) the date of manufacture cylinders; e) Number of cylinders own property. 3.2 Cylinders should only be by visual inspection, visual inspection include. a) name of the media filling and safety warning labels must be clear and complete; b) the cylinder surface without oil; c) the cylinder surface without serious depression, no over-burning phenomenon or other serious injury; d) the cylinder valve without damage, loose and missing parts phenomenon can be normal operation; gas outlet, liquid inlet and vent fitting dimensions meet Filling media requirements; e) the cylinder valve pressure rating is correct, intact, no discharge port blockage; f) connecting conduit at the top of the cylinder, level gauge, pressure gauge, pressure regulator without damage, loose and missing parts. 3.3 cylinders belonging to one of the following circumstances, should be treated, is prohibited filling. a) visual inspection of the original mark and do not meet the requirements of 3.1 and 3.2 cylinders; b) the original media bottle of unknown gas cylinders. 3.4 non-refillable cylinders scrapped.

4 filling

4.1 should be filled using the gravimetric method. Measurement scales should be required to regularly test should be corrected prior to use once a day, to ensure its accurate indication, reliable. Weighing the maximum load shall be weighed in common (1.5-3.0) times. 4.2 Cylinder Filling Unit Filling procedures should be developed with reference to the unit and relevant regulations of the cylinder manufacturer. No residual pressure of 4.3 for the first time and return when filling gas cylinders, gas purge should be clean, in order to ensure product quality. Keep the joint seal surface cleanliness 4.4 connection line, do not have water or ice. 4.5 For CO2 cylinders, use carbon dioxide gas purging. Application before filling carbon dioxide gas is pressurized to 0.8MPa or more, In the process of filling and continue to maintain pressure within the cylinder is not less than 0.8MPa. 4.6 should ensure that the filling gas cylinders upright, non-refillable lying down or diagonal. 4.7 filling amount can not exceed the maximum amount of filling gas cylinders nameplate, eliminate excess filling. Check 5 after filling 5.1 The valve should be closed, and all attachments without pipeline leakage phenomenon. 5.2 cylinders look no frost, condensation.

6 filling line

6.1 filling the pipeline design should take full account of the requirements of the maximum working pressure and cryogenic liquid system to the liquid pipeline between the two valves Installation adapt safety valve opening pressure should match the system pressure. 6.2 Connecting the vent pipe, residue emissions are vented during filling to be discharged to the outside.

7 filling record

7.1 units should be someone responsible for completing the filling cylinder filling records. Contents of the record shall include at least. a) the date of filling; b) number of gas cylinders; c) Cylinder tare; d) the effective volume of the cylinder; e) The actual amount of filling gas cylinders; f) filling's name; g) filling the media name. 7.2 filling units should keep filling records, record time should not be less than two years.

8 Additional requirements

8.1 should be safe and reliable handling tools move cylinders. Prohibit the handling and storage cylinders lying down. 8.2 should consider the possibility of using a closed transport oxygen-rich surroundings appear or hypoxia. 8.3 The operator should give full consideration to the gas cylinder fixed way, bottles, valves, piping and safety relief devices to protect intact. 8.4 filling unit should be fitted with anti-wrong means to prevent product mix. 8.5 Security shall refer to the relevant clauses JB6898 execution. ......

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