NB/T 10355-2019 PDF English
US$780.00 · In stock · Download in 9 secondsNB/T 10355-2019: Tube skid container Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| NB/T 10355-2019 | English | 780 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Tube skid container
| Valid |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: NB/T 10355-2019
NB/T 10355-2019: Tube skid container---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/NBT10355-2019
NB
ENERGY INDUSTRY STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 23.020.01
J 74
Tube skid container
Issued on. DECEMBER 30, 2019
Implemented on. JULY 01, 2020
Issued by. National Energy Administration
Announcement of National Energy Administration
No.8, 2019
Table of Contents
Foreword... 5
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 8
4 Qualifications and responsibilities... 9
5 Materials... 11
6 Design... 16
7 Safety accessories, instruments, loading & unloading accessories... 28
8 Manufacturing... 33
9 Test methods... 39
10 Inspection rules... 43
11 Signs, markings... 45
12 Exit-factory documents... 46
13 Storage and transportation... 47
Appendix A (Normative) Special technical requirements for compressed natural gas
cylinder containers... 49
Appendix B (Normative) Risk assessment report... 55
Appendix C (Normative) Wall thickness calculation of loading & unloading pipeline
... 57
1 Scope
1.1 This standard specifies the materials, design, manufacturing, test methods,
inspection rules, marking, exit-factory documents, storage and transportation
requirements for tube skid containers.
1.2 This standard applies to tube skid containers, which are composed of the following
large-volume steel seamless gas cylinders (hereinafter referred to as gas cylinders)
connected to frames.
a) The operating ambient temperature is -40 °C ~ 60 °C;
b) The nominal working pressure of the gas cylinder is 10 MPa ~ 30 MPa; the
nominal working pressure of the gas cylinder used for filling oxygen shall not be
greater than 20 MPa;
c) The nominal water volume of the gas cylinder is 150 L ~ 4200 L;
d) The filling medium is natural gas, hydrogen, oxygen, air, nitrogen, argon, helium,
neon, krypton and other compressed gases.
1.3 This standard applies to road, railway, water transport and to tube skid containers
used for multimodal transport in these modes.
1.4 Gas cylinder containers, which have a nominal water volume of 150 L ~ 1000 L and
a sum of nominal water volumes of each group of gas cylinders not exceeding 3000 L,
shall also comply with the provisions of Appendix A.
1.5 This standard does not apply to the following tube skid containers.
a) Filled with liquefied gas, dissolved gas, extremely toxic medium;
b) The gas cylinder is a filament-wound gas cylinder.
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) is
applicable to this standard.
GB/T 567 (all parts) Bursting disc safety device
GB/T 699 Quality carbon structure steel - Technical requirements
GB/T 1413 Series 1 freight containers - Classification, dimensions and ratings
GB/T 1835 Series 1 freight container - Corner fittings
GB/T 1836 Freight containers - Coding, identification and marking
GB/T 3634 (all parts) Hydrogen
GB/T 6394 Metal - Methods for estimating the average grain size
GB 6944 Classification and code of dangerous goods
GB/T 8923.1-2011 Preparation of steel substrates before application of paints and
related products - Visual assessment of surface cleanliness - Part 1.Rust grades and
preparation grades of uncoated steel substrates and of steel substrates after overall
removal of previous coatings
GB/T 10567.2 Wrought copper and copper alloys - Detection of residual stress -
Ammonia test
3 Terms and definitions
The terms and definitions as defined in GB/T 13005, GB/T 16563, GB/T 33145, TSG
R0005, TSG R0006, as well as the following terms and definitions, apply to this
document.
3.1
Tube skid container
A mobile pressure vessel for transporting compressed gas, which consists of a single
gas cylinder with a nominal water volume of 1000 L ~ 4200 L, is permanently
connected to the frame through the support end plate, is composed of pipelines,
safety accessories, instruments, loading & unloading accessories, other components.
4 Qualifications and responsibilities
4.1 Qualifications
4.1.1 In addition to complying with this standard, the design, manufacturing, inspection
and acceptance of tube skid containers shall also comply with the relevant laws,
regulations, and safety technical specifications promulgated by the state.
4.2 Responsibilities
4.2.1 Design client
The design client shall propose design conditions to the design organization in a formal
written form. The design conditions shall at least include the following.
4.2.2 Design organization
4.2.2.1 The design organization shall be responsible for the design quality of tube skid
containers.
4.2.3 Manufacturer
4.2.3.6 After each tube skid container passes the inspection, the manufacturer shall issue
a product certificate.
4.2.3.7 The manufacturer shall accept the supervision and inspection of the tube skid
container manufacturing process by the special equipment inspection and testing
agency; the product shall obtain a special equipment manufacturing supervision and
inspection certificate, which is issued by the supervisory inspection agency.
4.2.3.8 Tube skid containers shall be subject to sample container type test according to
the model; obtain certification documents recognized by the relevant industry
authorities of the State Council.
4.2.3.9 The manufacturer shall keep at least the following technical documents for
reference, during the design service life of each tube skid container it manufactures.
5 Materials
5.1 General requirements
5.1.1 The selection of materials shall consider their mechanical properties, bending
properties, physical properties, process properties. Materials in contact with the filling
medium shall also be compatible with the medium.
5.1.7 The tube skid container manufacturer shall be responsible for the authenticity and
consistency of the materials and material quality certificates obtained.
5.1.8 When imported pressure piping components are used, they shall comply with the
requirements of corresponding safety technical specifications and standards. Pressure
piping components imported for the first time shall be type tested by a pressure piping
component type testing agency, which is approved by the State Administration for
Market Regulation.
5.2 Gas cylinder
5.2.1 Cylinder body
5.2.2 End plug
5.3 Pipeline
5.3.1 Loading & unloading pipelines
5.3.1.1 The pipes shall be made of austenitic stainless steel seamless steel pipes, such
as S30403, S30408, S31603, S31608, etc.; meanwhile it shall comply with the
requirements of GB/T 14976.The hydrogen filling medium shall use austenitic stainless
steel seamless steel pipes, such as S31603 and S31608.
5.3.2 Sewage pipe
Sewage pipes should be made of austenitic stainless steel seamless steel pipes, such as
S30403, S30408, S31603, S31608, etc.; meanwhile it shall comply with the
requirements of GB/T 14976.
5.3.3 Discharge pipe
The discharge pipe shall be made of stainless steel pipes, such as S30403, S30408,
S31603, S31608, etc.; meanwhile it shall comply with relevant standards, such as GB/T
14976 or GB/T 12771.
6 Design
6.1 General requirements
6.1.1 In addition to complying with the requirements of this standard, the design of tube
skid containers shall also comply with relevant laws and regulations, safety technical
specifications, national standards, industry standards.
6.2 Design documents
6.2.1 The design documents of tube skid containers at least include risk assessment
report, design instructions, design calculations, design drawings, manufacturing
technical conditions, product instructions, test outline, gas cylinder design qualification
documents, etc. The approval and signing of design documents shall comply with the
provisions of TSG R0005.
6.2.4 The design calculation document shall at least include the following contents.
6.2.5 Design drawings, including at least general design drawings, gas cylinder
drawings, piping system drawings, necessary parts drawings, etc.
6.2.5.1 The general design drawing shall at least indicate the following.
6.2.6 Manufacturing technical conditions shall include main manufacturing process
requirements, inspection and test methods, etc.
6.2.7 Product instruction manual shall include at least the following content.
6.3.3 The rated mass of tube skid containers shall comply with the provisions of GB/T
1413.When the rated mass exceeds the value specified in GB/T 1413, in addition to
being designed, inspected, tested, marked according to the rated mass value, it shall
also apply an overweight mark.
6.4 Medium
6.4.1 The classification, product name, number of the medium shall comply with the
provisions of GB 6944 and GB 12268.The medium shall also comply with the
provisions of the corresponding standards.
6.10.4 Pneumatic control pipeline
6.10.4.1 Pneumatic control pipelines for emergency cut-off devices and pneumatic
valves shall be preferably non-metallic pipes; the nominal pressure shall be no less than
0.8 MPa; it shall be compatible with the ambient temperature of use.
6.10.4.2 When the pneumatic control pipelines for emergency cut-off devices and
pneumatic valves are made of metal materials, they shall comply with the following
requirements.
7 Safety accessories, instruments, loading & unloading accessories
7.1 General requirements
7.1.1 In addition to complying with the provisions of this standard, the settings of safety
accessories, instruments, loading & unloading accessories shall also meet the
requirements of the design documents.
7.2 Overpressure relief device of gas cylinder
7.2.1 The type of overpressure relief device for each gas cylinder shall be determined,
based on factors such as the failure mode of the tube skid container, medium hazard
characteristics, technical characteristics of the overpressure relief device. When the gas
cylinder may encounter jet fire or fire when the pressure is far below the nominal
working pressure, the designer shall describe the safety protection measures in the
design document.
7.2.8 The calculation of the safe discharge volume of gas cylinders shall comply with
the provisions of GB/T 33215.The discharge capacity of the overpressure relief device
shall not be less than the safe discharge volume of the gas cylinder.
7.2.9 The discharge pipe of the overpressure relief device shall comply with the
following requirements.
7.3 Pipeline safety valve
7.3.1 When required by the design client, the safety valve installed in the pipeline shall
comply with the following requirements.
7.4 Emergency cut-off device
7.4.1 When required by the design client, emergency cut-off devices shall be installed
in the collective pipeline, between the valve at the root of the gas cylinder and the main
control valve for tube skid containers, which are filled with flammable and explosive
medium, oxygen, air.
7.7.4 The air tightness test of the valve, in fully open and fully closed working
conditions, shall be qualified.
7.7.5 The manual valve shall open and close freely, when the valve is subjected to the
air tightness test pressure; there shall be no abnormal resistance, idling, etc.
7.7.6 The quick-fit joints for tube skid containers, which are filled with hydrogen and
helium, shall have the function of preventing the medium in the cylinder from leaking
out, when the loading & unloading hoses fall off.
8 Manufacturing
8.1 General requirements
8.1.1 Tube skid containers shall be manufactured and inspected in accordance with the
design documents, which are approved by the prescribed procedures and the
requirements of this standard.
8.1.8 The components of the tube skid container shall be installed firmly and reliably;
the outer surface shall be smooth and beautiful, without defects such as crushing, cracks,
welding slag or paint peeling.
8.2 Gas cylinder
8.2.1 The items and standards for gas cylinder manufacturing and qualification
acceptance shall comply with the provisions of GB/T 33145 and related gas cylinder
standards. It shall comply with the provisions of the design drawings and relevant
technical documents.
8.2.2 The length difference of gas cylinders, which are used in the same tube skid
container, shall not be greater than 15 mm.
8.3.9 Non-destructive testing
8.3.9.1 After the loading & unloading pipelines are welded and the appearance
8.4 Frame
8.4.1 The external dimensions and tolerances of the frame shall comply with the
provisions of GB/T 1413; other requirements shall comply with the requirements of the
design drawings.
8.4.2 The welding of the frame and connecting parts shall be carried out, in accordance
with the requirements of the qualified welding procedure specifications and design
drawings.
8.6 Replacement processing
8.6.1 Before leaving the factory, the gas cylinders and pipelines of tube skid containers,
which are filled with flammable and explosive medium, shall be replaced and must be
qualified before leaving the factory.
8.7 Coating
8.7.1 The coating of tube skid containers shall comply with the provisions of JB/T 4711
and design documents. Gas cylinders and frames are generally coated with white
topcoat.
8.7.2 The composition of primer, topcoat, paint film thickness shall comply with the
requirements of the design drawing. The paint shall be applied evenly and firmly,
without defects such as blisters, cracks, flow marks, peeling.
9 Test methods
9.1 Pressure resistance test of loading & unloading pipeline
9.1.1 Basic requirements
9.1.2 Hydraulic test
9.1.2.1 The test medium shall comply with the requirements of the design drawing.
When using water as the medium for hydraulic testing, the chloride ion content in the
water shall not exceed 25 mg/L. After passing the test, the water shall be drained and
the water stains shall be removed.
9.1.3 Air pressure test
9.1.3.1 During the air pressure test, the manufacturer shall formulate a special
emergency plan for the air pressure test and send personnel to conduct on-site
supervision.
9.1.3.2 First, slowly increase the pressure to 10% of the specified test pressure; maintain
the pressure for a sufficient time; conduct an initial inspection of all welding and
connection parts.
9.1.3.3 When there is no leakage, the pressure can continue to be increased to 50% of
the specified test pressure.
9.3 Stacking test
9.4 Lifting test by four corner fittings
9.4.1 This test is to verify the ability of all types of containers except 1D and 1DX, to
withstand vertical lifting by four corner fittings. It also verifies the test of various forces,
which are generated by the tube skid container, when it withstands the load caused by
the acceleration of the gas cylinder during lifting operations.
9.10 Longitudinal stiffness test
9.10.1 This test is to verify the ability of various types of tube skid containers, except
1D and 1DX, to withstand the longitudinal push and pull, which are generated by the
ship during navigation.
9.10.2 The methods and requirements of longitudinal stiffness test shall comply with
the provisions of GB/T 16563.
9.11 Test of load transfer zone
NB/T 10355-2019
NB
ENERGY INDUSTRY STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 23.020.01
J 74
Tube skid container
Issued on. DECEMBER 30, 2019
Implemented on. JULY 01, 2020
Issued by. National Energy Administration
Announcement of National Energy Administration
No.8, 2019
Table of Contents
Foreword... 5
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 8
4 Qualifications and responsibilities... 9
5 Materials... 11
6 Design... 16
7 Safety accessories, instruments, loading & unloading accessories... 28
8 Manufacturing... 33
9 Test methods... 39
10 Inspection rules... 43
11 Signs, markings... 45
12 Exit-factory documents... 46
13 Storage and transportation... 47
Appendix A (Normative) Special technical requirements for compressed natural gas
cylinder containers... 49
Appendix B (Normative) Risk assessment report... 55
Appendix C (Normative) Wall thickness calculation of loading & unloading pipeline
... 57
1 Scope
1.1 This standard specifies the materials, design, manufacturing, test methods,
inspection rules, marking, exit-factory documents, storage and transportation
requirements for tube skid containers.
1.2 This standard applies to tube skid containers, which are composed of the following
large-volume steel seamless gas cylinders (hereinafter referred to as gas cylinders)
connected to frames.
a) The operating ambient temperature is -40 °C ~ 60 °C;
b) The nominal working pressure of the gas cylinder is 10 MPa ~ 30 MPa; the
nominal working pressure of the gas cylinder used for filling oxygen shall not be
greater than 20 MPa;
c) The nominal water volume of the gas cylinder is 150 L ~ 4200 L;
d) The filling medium is natural gas, hydrogen, oxygen, air, nitrogen, argon, helium,
neon, krypton and other compressed gases.
1.3 This standard applies to road, railway, water transport and to tube skid containers
used for multimodal transport in these modes.
1.4 Gas cylinder containers, which have a nominal water volume of 150 L ~ 1000 L and
a sum of nominal water volumes of each group of gas cylinders not exceeding 3000 L,
shall also comply with the provisions of Appendix A.
1.5 This standard does not apply to the following tube skid containers.
a) Filled with liquefied gas, dissolved gas, extremely toxic medium;
b) The gas cylinder is a filament-wound gas cylinder.
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) is
applicable to this standard.
GB/T 567 (all parts) Bursting disc safety device
GB/T 699 Quality carbon structure steel - Technical requirements
GB/T 1413 Series 1 freight containers - Classification, dimensions and ratings
GB/T 1835 Series 1 freight container - Corner fittings
GB/T 1836 Freight containers - Coding, identification and marking
GB/T 3634 (all parts) Hydrogen
GB/T 6394 Metal - Methods for estimating the average grain size
GB 6944 Classification and code of dangerous goods
GB/T 8923.1-2011 Preparation of steel substrates before application of paints and
related products - Visual assessment of surface cleanliness - Part 1.Rust grades and
preparation grades of uncoated steel substrates and of steel substrates after overall
removal of previous coatings
GB/T 10567.2 Wrought copper and copper alloys - Detection of residual stress -
Ammonia test
3 Terms and definitions
The terms and definitions as defined in GB/T 13005, GB/T 16563, GB/T 33145, TSG
R0005, TSG R0006, as well as the following terms and definitions, apply to this
document.
3.1
Tube skid container
A mobile pressure vessel for transporting compressed gas, which consists of a single
gas cylinder with a nominal water volume of 1000 L ~ 4200 L, is permanently
connected to the frame through the support end plate, is composed of pipelines,
safety accessories, instruments, loading & unloading accessories, other components.
4 Qualifications and responsibilities
4.1 Qualifications
4.1.1 In addition to complying with this standard, the design, manufacturing, inspection
and acceptance of tube skid containers shall also comply with the relevant laws,
regulations, and safety technical specifications promulgated by the state.
4.2 Responsibilities
4.2.1 Design client
The design client shall propose design conditions to the design organization in a formal
written form. The design conditions shall at least include the following.
4.2.2 Design organization
4.2.2.1 The design organization shall be responsible for the design quality of tube skid
containers.
4.2.3 Manufacturer
4.2.3.6 After each tube skid container passes the inspection, the manufacturer shall issue
a product certificate.
4.2.3.7 The manufacturer shall accept the supervision and inspection of the tube skid
container manufacturing process by the special equipment inspection and testing
agency; the product shall obtain a special equipment manufacturing supervision and
inspection certificate, which is issued by the supervisory inspection agency.
4.2.3.8 Tube skid containers shall be subject to sample container type test according to
the model; obtain certification documents recognized by the relevant industry
authorities of the State Council.
4.2.3.9 The manufacturer shall keep at least the following technical documents for
reference, during the design service life of each tube skid container it manufactures.
5 Materials
5.1 General requirements
5.1.1 The selection of materials shall consider their mechanical properties, bending
properties, physical properties, process properties. Materials in contact with the filling
medium shall also be compatible with the medium.
5.1.7 The tube skid container manufacturer shall be responsible for the authenticity and
consistency of the materials and material quality certificates obtained.
5.1.8 When imported pressure piping components are used, they shall comply with the
requirements of corresponding safety technical specifications and standards. Pressure
piping components imported for the first time shall be type tested by a pressure piping
component type testing agency, which is approved by the State Administration for
Market Regulation.
5.2 Gas cylinder
5.2.1 Cylinder body
5.2.2 End plug
5.3 Pipeline
5.3.1 Loading & unloading pipelines
5.3.1.1 The pipes shall be made of austenitic stainless steel seamless steel pipes, such
as S30403, S30408, S31603, S31608, etc.; meanwhile it shall comply with the
requirements of GB/T 14976.The hydrogen filling medium shall use austenitic stainless
steel seamless steel pipes, such as S31603 and S31608.
5.3.2 Sewage pipe
Sewage pipes should be made of austenitic stainless steel seamless steel pipes, such as
S30403, S30408, S31603, S31608, etc.; meanwhile it shall comply with the
requirements of GB/T 14976.
5.3.3 Discharge pipe
The discharge pipe shall be made of stainless steel pipes, such as S30403, S30408,
S31603, S31608, etc.; meanwhile it shall comply with relevant standards, such as GB/T
14976 or GB/T 12771.
6 Design
6.1 General requirements
6.1.1 In addition to complying with the requirements of this standard, the design of tube
skid containers shall also comply with relevant laws and regulations, safety technical
specifications, national standards, industry standards.
6.2 Design documents
6.2.1 The design documents of tube skid containers at least include risk assessment
report, design instructions, design calculations, design drawings, manufacturing
technical conditions, product instructions, test outline, gas cylinder design qualification
documents, etc. The approval and signing of design documents shall comply with the
provisions of TSG R0005.
6.2.4 The design calculation document shall at least include the following contents.
6.2.5 Design drawings, including at least general design drawings, gas cylinder
drawings, piping system drawings, necessary parts drawings, etc.
6.2.5.1 The general design drawing shall at least indicate the following.
6.2.6 Manufacturing technical conditions shall include main manufacturing process
requirements, inspection and test methods, etc.
6.2.7 Product instruction manual shall include at least the following content.
6.3.3 The rated mass of tube skid containers shall comply with the provisions of GB/T
1413.When the rated mass exceeds the value specified in GB/T 1413, in addition to
being designed, inspected, tested, marked according to the rated mass value, it shall
also apply an overweight mark.
6.4 Medium
6.4.1 The classification, product name, number of the medium shall comply with the
provisions of GB 6944 and GB 12268.The medium shall also comply with the
provisions of the corresponding standards.
6.10.4 Pneumatic control pipeline
6.10.4.1 Pneumatic control pipelines for emergency cut-off devices and pneumatic
valves shall be preferably non-metallic pipes; the nominal pressure shall be no less than
0.8 MPa; it shall be compatible with the ambient temperature of use.
6.10.4.2 When the pneumatic control pipelines for emergency cut-off devices and
pneumatic valves are made of metal materials, they shall comply with the following
requirements.
7 Safety accessories, instruments, loading & unloading accessories
7.1 General requirements
7.1.1 In addition to complying with the provisions of this standard, the settings of safety
accessories, instruments, loading & unloading accessories shall also meet the
requirements of the design documents.
7.2 Overpressure relief device of gas cylinder
7.2.1 The type of overpressure relief device for each gas cylinder shall be determined,
based on factors such as the failure mode of the tube skid container, medium hazard
characteristics, technical characteristics of the overpressure relief device. When the gas
cylinder may encounter jet fire or fire when the pressure is far below the nominal
working pressure, the designer shall describe the safety protection measures in the
design document.
7.2.8 The calculation of the safe discharge volume of gas cylinders shall comply with
the provisions of GB/T 33215.The discharge capacity of the overpressure relief device
shall not be less than the safe discharge volume of the gas cylinder.
7.2.9 The discharge pipe of the overpressure relief device shall comply with the
following requirements.
7.3 Pipeline safety valve
7.3.1 When required by the design client, the safety valve installed in the pipeline shall
comply with the following requirements.
7.4 Emergency cut-off device
7.4.1 When required by the design client, emergency cut-off devices shall be installed
in the collective pipeline, between the valve at the root of the gas cylinder and the main
control valve for tube skid containers, which are filled with flammable and explosive
medium, oxygen, air.
7.7.4 The air tightness test of the valve, in fully open and fully closed working
conditions, shall be qualified.
7.7.5 The manual valve shall open and close freely, when the valve is subjected to the
air tightness test pressure; there shall be no abnormal resistance, idling, etc.
7.7.6 The quick-fit joints for tube skid containers, which are filled with hydrogen and
helium, shall have the function of preventing the medium in the cylinder from leaking
out, when the loading & unloading hoses fall off.
8 Manufacturing
8.1 General requirements
8.1.1 Tube skid containers shall be manufactured and inspected in accordance with the
design documents, which are approved by the prescribed procedures and the
requirements of this standard.
8.1.8 The components of the tube skid container shall be installed firmly and reliably;
the outer surface shall be smooth and beautiful, without defects such as crushing, cracks,
welding slag or paint peeling.
8.2 Gas cylinder
8.2.1 The items and standards for gas cylinder manufacturing and qualification
acceptance shall comply with the provisions of GB/T 33145 and related gas cylinder
standards. It shall comply with the provisions of the design drawings and relevant
technical documents.
8.2.2 The length difference of gas cylinders, which are used in the same tube skid
container, shall not be greater than 15 mm.
8.3.9 Non-destructive testing
8.3.9.1 After the loading & unloading pipelines are welded and the appearance
8.4 Frame
8.4.1 The external dimensions and tolerances of the frame shall comply with the
provisions of GB/T 1413; other requirements shall comply with the requirements of the
design drawings.
8.4.2 The welding of the frame and connecting parts shall be carried out, in accordance
with the requirements of the qualified welding procedure specifications and design
drawings.
8.6 Replacement processing
8.6.1 Before leaving the factory, the gas cylinders and pipelines of tube skid containers,
which are filled with flammable and explosive medium, shall be replaced and must be
qualified before leaving the factory.
8.7 Coating
8.7.1 The coating of tube skid containers shall comply with the provisions of JB/T 4711
and design documents. Gas cylinders and frames are generally coated with white
topcoat.
8.7.2 The composition of primer, topcoat, paint film thickness shall comply with the
requirements of the design drawing. The paint shall be applied evenly and firmly,
without defects such as blisters, cracks, flow marks, peeling.
9 Test methods
9.1 Pressure resistance test of loading & unloading pipeline
9.1.1 Basic requirements
9.1.2 Hydraulic test
9.1.2.1 The test medium shall comply with the requirements of the design drawing.
When using water as the medium for hydraulic testing, the chloride ion content in the
water shall not exceed 25 mg/L. After passing the test, the water shall be drained and
the water stains shall be removed.
9.1.3 Air pressure test
9.1.3.1 During the air pressure test, the manufacturer shall formulate a special
emergency plan for the air pressure test and send personnel to conduct on-site
supervision.
9.1.3.2 First, slowly increase the pressure to 10% of the specified test pressure; maintain
the pressure fo......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Tips & Frequently Asked QuestionsQuestion 1: How long will the true-PDF of English version of NB/T 10355-2019 be delivered?Answer: The full copy PDF of English version of NB/T 10355-2019 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 NB/T 10355-2019_English with my colleagues?Answer: Yes. The purchased PDF of NB/T 10355-2019_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 -- NB/T 10355-2019 -- 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. How to buy and download a true PDF of English version of NB/T 10355-2019?A step-by-step guide to download PDF of NB/T 10355-2019_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 "NB/T 10355-2019".
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
|