GB/T 13004-2016 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 13004-2016 | English | 130 |
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Periodic Inspection and Evaluation of Seamless Steel Gas Cylinders
| Valid |
| GB 13004-1999 | English | 359 |
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Periodic inspection and evaluation of seamless steel gas cylinders
| Obsolete |
| GB 13004-1991 | English | RFQ |
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Periodic inspection and evaluation of seamless steel gas cylinders
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GB/T 13004-2016: Periodic Inspection and Evaluation of Seamless Steel Gas Cylinders---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/GBT13004-2016
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 23.020.30
J 74
Replacing GB 13004-1999
Periodic Inspection and
Evaluation of Seamless Steel Gas Cylinders
Issued on: FEBRUARY 24, 2016
Implemented on: SEPTEMBER 1, 2016
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative References ... 5
3 Inspection Agency, Inspection Cycle, and Inspection Items ... 6
4 Inspection Preparation ... 6
5 Appearance Inspection ... 7
6 Acoustic Inspection ... 9
7 Cylinder-Mouth Thread Inspection ... 9
8 Internal Inspection ... 10
9 Determination of Weight and Volume ... 10
10 Hydrostatic Test ... 11
11 Internal Drying ... 11
12 Inspection and Assembly of Cylinder Valve ... 12
13 Air Tightness Test ... 12
14 Other Work ... 13
Appendix A (Informative) Determination of Depth Values of Depression, Pits,
Knock Injuries and Scratches ... 14
Appendix B (Normative) Determination of Water Capacity of Gas Cylinder ... 17
Appendix C (Normative) Cylinder Valve Assembly Torque ... 18
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard replaced GB 13004-1999 Periodic Inspection and Evaluation of
Seamless Steel Gas Cylinders. Compared with GB 13004-1999, this Standard has the
major changes as follows.
--- Applicable scope of standard.
a) The pressure in hydrostatic test less than or equal to 45MPa is changed into
nominal working pressure less than or equal to 30MPa;
b) Nominal volume is changed from the original 0.4L~80L to 0.4L~150L;
c) Add applicable mixed gas to the gas that can be contained;
d) Delete the provisions applicable to the seamless gas cylinders for automotive
natural gas;
e) Modify the inapplicable scope into the following ones are not applicable like
internal filled gas cylinders, fire extinguishing cylinders, or auxiliary cylinder
pressure containers on the transport tools and machinery equipment;
f) Add “NOTE”. the gas cylinders with nominal volume less than 0.4L can
perform periodic inspection as per this Standard;
--- Add requirements to the inspection agency. the inspection agency that carries
out the gas cylinder inspection shall meet the requirements of GB 12135; and
shall be approved by national special equipment safety supervision and
management department as per TSG Z7001;
--- Add requirements to perform comprehensive thickness-measurement inspection
of the gas cylinders containing corrosive gases one by one;
--- Add requirements of residual wall-thickness after the treatment against the knock
injuries, scratches and corrosive defects; confirm the residual wall-thickness
shall be less than design wall-thickness of cylinder;
--- Modify the description of volume measurement;
--- Confirm the cylinder valves are not allowed to be repaired; and add the
requirements for the assembly torque of the cylinder valves;
--- Add requirements for the gas cylinder periodic inspection report;
--- Modify requirements for treatment mode of rejected gas cylinders;
Periodic Inspection and
Evaluation of Seamless Steel Gas Cylinders
1 Scope
This Standard specifies the basic methods and technical requirements of periodic
inspection and evaluation of seamless steel gas cylinders (hereinafter refers to as “gas
cylinder”).
This Standard is applicable to the periodic inspection and evaluation of seamless steel
gas cylinders with nominal working pressure less than or equal to 30MPa, nominal
volume of 0.4L~150L, containing compressed gas, high pressure liquefied gas or
mixed gas, and that can be recharged.
This Standard is not applicable to the internal filled gas cylinders, fire extinguishing
cylinders, or auxiliary cylinder pressure container on the transport tools and machinery
equipment.
NOTE. the gas cylinder with nominal volume less than 0.4L can perform periodic
inspection as per this Standard.
2 Normative References
The 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 document.
GB 7144 Coloured Cylinder Mark for Gases
GB 8335 Special Threads for Gas Cylinders
GB/T 8336 Special Thread Gauges for Gas Cylinders
GB/T 9251 Methods for Hydrostatic Test of Gas Cylinders
GB/T 10878 Special Taps of Taper Threads for Gas Cylinders
GB 12135 Technical Specifications for Periodic Inspection Station of Gas
Cylinders
GB/T 12137 Methods for Leakage Test of Gas Cylinders
TSG R0006 Gas Cylinder Safety Specification
TSG Z7001 Accreditation Criteria on Special Equipment Inspection Agencies
3 Inspection Agency, Inspection Cycle, and
Inspection Items
3.1 Inspection agency
The inspection agency performing the periodic inspection of gas cylinder shall meet
the requirements of GB 12135; and shall be approved by national special equipment
safety supervision and management department as per TSG Z7001.
3.2 Inspection cycle
The gas cylinder containing nitrogen, hexafluoroethane, inert gas and non-corrosive
high-purity gas with purity greater than or equal to 99.999% shall be inspected once
every 5 years; the gas cylinder containing the gas generated corrosive role against the
cylinder materials, as well as gas cylinder in constant contact with seawater shall be
inspected once every 2 years; while the gas cylinder containing other gases shall be
inspected once every 3 years. The inspection cycle of gas cylinder containing mixed
gas shall be subject to the gas with shortest inspection cycle.
In the course of use, if the cylinder is found to have serious corrosion, damage or
dubious safety and reliability problems, the inspected shall be performed in advance.
The gas cylinder that has been stored in the warehouse or shutdowns for more than
one inspection cycle, it shall be re-inspected before starting to use.
3.3 Inspection items
The periodic inspection items of gas cylinders include appearance inspection, sound
inspection, cylinder-mouth thread inspection, internal inspection, weight and volume
determination, hydrostatic test, cylinder valve inspection, and air tightness test.
4 Inspection Preparation
4.1 Records
4.1.1 Check the gas cylinders’ manufacturing marks and inspection marks one by
one. The record contents shall include the following information at least like
manufacturer name code or manufacturing license number, gas cylinder number,
5.5 Inspection and evaluation of collar, bae and others
5.5.1 For the gas cylinders with loose collar that can’t be reinforced, or damaged
collar that can’t be replaced, they shall be rejected.
5.5.2 For the gas cylinders with loose, tilting, rupturing, worn base or the distance
between the support surface and lowest point of the cylinder bottom is less than 10mm,
they shall be rejected.
5.5.3 Gas cylinders shall be rejected under one of the following conditions.
a) Measure the difference between the maximum and minimum outer diameters in
the same section of the cylinder, if it exceeds 3.0% average outer diameter of
such section;
b) If cylinder’s straightness exceeds 0.4% length of cylinder straight line, and the
bending depth is greater than 5mm;
c) If the cylinder’s perpendicularity exceeds 1% length of cylinder straight line.
6 Acoustic Inspection
6.1 Inspection requirements
6.1.1 The gas cylinders that are qualified in appearance inspection shall perform the
acoustic inspection.
6.1.2 Use 250g-weight copper hammer to gently hit the cylinder wall in the absence
of appendage or other objects that hinder the shake of steel cylinders.
6.2 Evaluation of results
If it emits the sound that is crisp, powerful, its lingering sound is light, long, and has a
sense of melody, such inspection is qualified. If the gas cylinders emit the sound that
is turbid, grave, the lingering sound is heavy, short, and has the shell-broken sound,
such gas cylinders shall be rejected.
7 Cylinder-Mouth Thread Inspection
7.1 Inspection and result evaluation
7.1.1 Use direct visual inspection or low-power magnifier visual inspection methods
to check whether the cylinder-mouth thread has cracks, deformation, wearing,
corrosion, or other mechanical damages one by one.
9.3 Determination and result evaluation
9.3.1 If the actually-measured weight is less than the marking weight on gas cylinder
manufacturing steel seal, and when the difference betwe...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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