Periodic inspection and test

Refillable pressure receptacles, other than cryogenic receptacles, shall be subjected to periodic
inspections and tests by a body authorised by the competent authority, in accordance with the
following:
(a) Check of the external conditions of the pressure receptacle and verification of the equipment
and the external marks;
(b) Check of the internal conditions of the pressure receptacle (e.g. internal inspection,
verification of minimum wall thickness);
(c) Checking of the threads if there is evidence of corrosion or if the fittings are removed;
(d) A hydraulic pressure test and, if necessary, verification of the characteristics of the material
by suitable tests;
(e) Check of service equipment, other accessories and pressure-relief devices, if to be
reintroduced into service.
NOTE 1: With the agreement of the competent authority, the hydraulic pressure test may be
replaced by a test using a gas, where such an operation does not entail any danger.
NOTE 2: With the agreement of the competent authority, the hydraulic pressure test of cylinders
or tubes may be replaced by an equivalent method based on acoustic emission testing or a
combination of acoustic emission testing and ultrasonic examination. ISO 16148:2006 may be used as
a guide for acoustic emission testing procedures.
NOTE 3: The hydraulic pressure test may be replaced by ultrasonic examination carried out in
accordance with ISO 10461:2005+A1:2006 for seamless aluminium alloy gas cylinders and in
accordance with ISO 6406:2005 for seamless steel gas cylinders.
NOTE 4: For the periodic inspection and test frequencies, see packing instruction P200 of 4.1.4.1
or, for a chemical under pressure, packing instruction P206 of 4.1.4.1.

 

Pressure receptacles intended for the carriage of UN No. 1001 acetylene, dissolved and UN No. 3374
acetylene, solvent free, shall be examined only as specified in 6.2.1.6.1 (a), (c) and (e). In addition the
condition of the porous material (e.g. cracks, top clearance, loosening, settlement) shall be examined.

Pressure relief valves for closed cryogenic receptacles shall be subject to periodic inspections and
tests.

Requirements for manufacturers

The manufacturer shall be technically able and shall possess all resources required for the satisfactory
manufacture of pressure receptacles; this relates in particular to qualified personnel:
(a) To supervise the entire manufacturing process;
(b) To carry out joining of materials; and
(c) To carry out the relevant tests.

The proficiency test of a manufacturer shall in all instances be carried out by an inspection body
approved by the competent authority of the country of approval.

Requirements for inspection bodies

Inspection bodies shall be independent from manufacturing enterprises and competent to perform the
tests, inspections and approvals required.

Requirements for UN pressure receptacles

In addition to the general requirements of section 6.2.1, UN pressure receptacles shall comply with the
requirements of this section, including the standards, as applicable. Manufacture of new pressure
receptacles or service equipment according to any particular standard in 6.2.2.1 and 6.2.2.3 is not
permitted after the date shown in the right hand column of the tables.
NOTE 1: UN pressure receptacles and service equipment constructed according to standards
applicable at the date of manufacture may continue in use subject to the periodic inspection
provisions of ADR.
NOTE2: When EN ISO versions of the following ISO standards are available, they may be used
to fulfil the requirements of 6.2.2.1, 6.2.2.2, 6.2.2.3 and 6.2.2.4.

Design, construction and initial inspection and test

The following standards apply for the design, construction, and initial inspection and test of
UN cylinders, except that inspection requirements related to the conformity assessment system and
approval shall be in accordance with 6.2.2.5:
 
 

Reference

Title

Applicable for manufacture

ISO 9809-1:1999

Gas cylinders – Refillable seamless steel gas cylinders

– Design, construction and testing – Part 1: Quenched and tempered steel cylinders with tensile strength less than 1 100 MPa

NOTE: The note concerning the F factor in section 7.3 of this standard shall not be applied for UN cylinders.

Until 31

December 2018

ISO 9809-1:2010

Gas cylinders -- Refillable seamless steel gas cylinders

-- Design, construction and testing -- Part 1: Quenched and tempered steel cylinders with tensile strength less than 1 100 MPa

Until further notice

ISO 9809-2:2000

Gas cylinders – Refillable seamless steel gas cylinders

– Design, construction and testing – Part 2: Quenched and tempered steel cylinders with tensile strength greater than or equal to 1 100 MPa

Until 31

December 2018

ISO 9809-2:2010

Gas cylinders – Refillable seamless steel gas cylinders

– Design, construction and testing – Part 2: Quenched and tempered steel cylinders with tensile strength greater than or equal to 1 100 MPa

Until further notice

ISO 9809-3:2000

Gas cylinders – Refillable seamless steel gas cylinders

– Design, construction and testing – Part 3: Normalized steel cylinders

Until 31

December 2018

ISO 9809-3:2010

Gas cylinders -- Refillable seamless steel gas cylinders

-- Design, construction and testing -- Part 3: Normalized steel cylinders

Until further notice

ISO 9809-4:2014

Gas cylinders – Refillable seamless steel gas cylinders

– Design, construction and testing – Part 4: Stainless steel cylinders with an Rm value of less than 1 100 MPa

Until further notice

ISO 7866:1999

Gas cylinders – Refillable seamless aluminium alloy gas cylinders – Design, construction and testing NOTE: The note concerning the F factor in section 7.2 of this standard shall not be applied for UN cylinders. Aluminium alloy 6351A – T6 or equivalent shall not be authorised.

Until 31

December 2020

ISO 7866: 2012 +

Cor 1:2014

Gas cylinders – Refillable seamless aluminium alloy gas cylinders – Design, construction and testing NOTE: Aluminium alloy 6351A or equivalent shall not

be used.

Until further notice

ISO 4706:2008

Gas cylinders – Refillable welded steel cylinders – Test pressure 60 bar and below

Until further notice

Reference

Title

Applicable for manufacture

ISO 18172-1:2007

Gas cylinders – Refillable welded stainless steel

cylinders – Part 1: Test pressure 6 MPa and below

Until further

notice

ISO 20703:2006

Gas cylinders – Refillable welded aluminium-alloy cylinders – Design, construction and testing

Until further notice

ISO 11118:1999

Gas cylinders – Non-refillable metallic gas cylinders –

Specification and test methods

Until further

notice

ISO 11119-1:2002

Gas cylinders of composite construction –

Specification and test methods – Part 1: Hoop wrapped composite gas cylinders

Until 31

December 2020

ISO 11119-1:2012

Gas cylinders – Refillable composite gas cylinders and

tubes – Design, construction and testing – Part 1: Hoop wrapped fibre reinforced composite gas cylinders and tubes up to 450 l

Until further notice

ISO 11119-2:2002

Gas cylinders of composite construction –

Specification and test methods – Part 2: Fully wrapped fibre reinforced composite gas cylinders with load- sharing metal liners

Until 31

December 2020

ISO 11119-2:2012

+ Amd 1:2014

Gas cylinders – Refillable composite gas cylinders and

tubes – Design, construction and testing – Part 2: Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 l with load-sharing metal liners

Until further notice

ISO 11119-3:2002

Gas cylinders of composite construction –

Specification and test methods – Part 3: Fully wrapped fibre reinforced composite gas cylinders with non-load- sharing metallic or non-metallic liners

Until 31

December 2020

ISO 11119-3:2013

Gas cylinders – Refillable composite gas cylinders and

tubes – Design, construction and testing – Part 3: Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 l with non-load-sharing metallic or non-metallic liners

Until further notice

 
NOTE 1: In the above referenced standards composite cylinders shall be designed for a design
life of not less than 15 years..
NOTE 2: Composite cylinders with a design life longer than 15 years shall not be filled after 15
years from the date of manufacture, unless the design has successfully passed a service life test
programme. The programme shall be part of the initial design type approval and shall specify
inspections and tests to demonstrate that cylinders manufactured accordingly remain safe to the end
of their design life. The service life test programme and the results shall be approved by the competent
authority of the country of approval that is responsible for the initial approval of the cylinder design.
The service life of a composite cylinder shall not be extended beyond its initial approved design life.

The following standards apply for the design, construction, and initial inspection and test of UN tubes,
except that inspection requirements related to the conformity assessment system and approval shall be
in accordance with 6.2.2.5:
 

Reference

Title

Applicable for manufacture

ISO 11120:1999

Gas cylinders – Refillable seamless steel tubes for compressed gas transport, of water capacity between 150 and 3 000 – Design, construction and testing NOTE: The note concerning the F factor in section 7.1 of this standard shall not be applied for UN tubes.

Until further notice

ISO 11119-1:2012

Gas cylinders – Refillable composite gas cylinders and tubes – Design, construction and testing – Part 1: Hoop wrapped fibre reinforced composite gas cylinders and tubes up to 450 l

Until further notice

ISO 11119-2:2012

+ Amd 1:2014

Gas cylinders – Refillable composite gas cylinders and tubes – Design, construction and testing – Part 2: Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 with load-sharing metal liners

Until further notice

Reference

Title

Applicable for manufacture

ISO 11119-3:2013

Gas cylinders – Refillable composite gas cylinders and tubes – Design, construction and testing – Part 3: Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 with non-load-sharing metallic or non-metallic liners

Until further notice

ISO 11515: 2013

Gas cylinders – Refillable composite reinforced tubes of water capacity between 450 and 3 000 – Design, construction and testing

Until further notice

 

NOTE 1: In the above referenced standards composite tubes shall be designed for a design life of
not less than 15 years.
 
NOTE 2: Composite tubes with a design life longer than 15 years shall not be filled after 15 years
from the date of manufacture, unless the design has successfully passed a service life test programme.
The programme shall be part of the initial design type approval and shall specify inspections and tests
to demonstrate that tubes manufactured accordingly remain safe to the end of their design life. The
service life test programme and the results shall be approved by the competent authority of the
country of approval that is responsible for the initial approval of the tube design. The service life of a
composite tube shall not be extended beyond its initial approved design life.

 

The following standards apply for the design, construction and initial inspection and test of

UN acetylene cylinders, except that inspection requirements related to the conformity assessment system and approval shall be in accordance with 6.2.2.5:

 

For the cylinder shell:

 

Reference

Title

Applicable for manufacture

ISO 9809-1:1999

Gas cylinders – Refillable seamless steel gas cylinders

– Design, construction and testing – Part 1: Quenched and tempered steel cylinders with tensile strength less than 1 100 MPa

NOTE: The note concerning the F factor in section 7.3 of this standard shall not be applied for UN cylinders.

Until 31

December 2018

ISO 9809-1:2010

Gas cylinders – Refillable seamless steel gas cylinders

– Design, construction and testing – Part 1: Quenched and tempered steel cylinders with tensile strength less than 1 100 MPa

Until further notice

ISO 9809-3:2000

Gas cylinders – Refillable seamless steel gas cylinders

– Design, construction and testing – Part 3: Normalized steel cylinders

Until 31

December 2018

ISO 9809-3:2010

Gas cylinders – Refillable seamless steel gas cylinders

– Design, construction and testing – Part 3: Normalized steel cylinders

Until further notice

 

For the porous material in the cylinder:

 

Reference

Title

Applicable for manufacture

ISO 3807-1:2000

Cylinders for acetylene – Basic requirements – Part 1: Cylinders without fusible plugs

Until 31

December 2020

ISO 3807-2:2000

Cylinders for acetylene – Basic requirements – Part 2: Cylinders with fusible plugs

Until 31

December 2020

ISO 3807:2013

Gas cylinders – Acetylene cylinders – Basic requirements and type testing

Until further notice

 

The following standard applies for the design, construction, and initial inspection and test of
UN cryogenic receptacles, except that inspection requirements related to the conformity assessment
system and approval shall be in accordance with 6.2.2.5:
 
Reference Title
Applicable for
manufacture
ISO 21029-1:2004
Cryogenic vessels – Transportable vacuum insulated
vessels of not more than 1 000 l volume – Part 1:
Design, fabrication, inspection and tests
Until further
notice

 

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