EIHP, Draft for Regulation, Revision 1065
25022.02.2000
page 1
Annex 1
Essential characteristics of the specific component
1Automatic valve(s): yes/no 1/
1.1Make(s):
1.2Type(s):
1.3Description and drawings:
1.4Maximum wWorking pressure(s) 2/:MPa
1.5Material(s):
2Check valve(s) or non-return valve(s): yes/no 1/
2.1Make(s):
2.2Type(s):
2.3Description and drawings:
2.4Maximum wWorking pressure(s) : 2/MPa
2.5Material(s):
3Container(s): yes/no 1/
3.1Make(s):
3.2Type(s):
3.3Description:
3.4Capacity:litres (water)
3.5Dimensions:
3.6Material(s):
3.7Drawings of the container(s) and installation in the vehicle:
4Fittings or screwed connection systems: yes/no 1/
4.1Make(s):
4.2Type(s):
4.3Description and drawings:
4.4Maximum wWorking pressure(s) 2/:MPa
4.5Material(s):
5Flexible Fuel Lines(s): yes/no 1/
5.1Make(s):
5.2Type(s):
5.3Description and drawings:
5.4Maximum wWorking pressure(s) 2/:MPa
5.5Material(s):
6Heat exchanger(s): yes/no 1/
6.1Make(s):
6.2Type(s):
6.3Description and drawings:
6.4Maximum wWorking pressure(s) 2/:MPa
6.5Material(s):
7Manual valve(s): yes/no 1/
7.1Make(s):
7.2Type(s):
7.3Description and drawings:
7.4Maximum wWorking pressure(s) 2/:MPa
7.5Material(s):
8Pressure and/or temperature and/or flow sensor(s): yes/no 1/
8.1Make(s):
8.2Type(s):
8.3Operating principles including description and drawings:
8.4Maximum wWorking pressure(s): 2/MPa
8.5Material(s):
9Pressure regulator(s): yes/no 1/
9.1.Make(s):
9.2Type(s):
9.3Drawings:
9.4Number of main adjustment points:
9.5Description of principle of adjustment through main adjustment points:
9.6Number of idle adjustment points:
9.7Description of principles of adjustment through idle adjustment points:
9.8Other adjustment possibilities: if so and which (description and drawings):
9.9Maximum wWorking pressure(s): 2/MPa
10Pressure relief device: yes/no 1/
10.1Make(s):
10.2Type(s):
10.3Description and drawings:
10.4Maximum working pressureOperating temperature: 2/MPa°C
10.5Material:
11Refuelling connection or receptacle: yes/no 1/
11.1Make(s):
11.2Type(s):
11.3Operating principles including description and drawings:
11.4Maximum wWorking pressure(s) 2/:MPa
11.5Material:
Notes:
1/ Strike out what does not apply.
2/ Specify the tolerance.
Annex 2
Essential characteristics of the vehicle, engine and Hydrogen-related system
0Description of The Vehicle Type
0.1Make:
0.2Type(s):
0.3Name and address of the Manufacturer:
0.4Propulsion system type(s) and approval numbers(s):
0.5Hydrogen related systems types(s) and approval number(s)
1Description oOf the Hydrogen system used for the propulsion of the vehicle 1/The Propulsion System(s) (only those consuming hydrogen)
1.1Description of the propulsion system:
1.2Name and address of the Manufacturer of the propulsion system:
1.3Manufacturer's propulsion system code(s) (as marked on the propulsion system, or other means of identification):
1.4Automatic valve(s): yes/no 1/
1.4.1Make(s):
1.4.2Type(s):
1.4.3Maximum wWorking pressure(s) 2/:MPa
1.4.4Approval number:
1.5Check valve(s) or non-return valve(s): yes/no 1/
1.5.1Make(s):
1.5.2Type(s):
1.5.3Maximum wWorking pressure(s) : 2/MPa
1.5.4Approval number:
1.6Container(s): yes/no 1/
1.6.1Make(s):
1.6.2Type(s):
1.6.4Capacity:litres (water)
1.6.5Approval number
1.7Fittings or screwed connection systems: yes/no 1/
1.7.1Make(s):
1.7.2Type(s):
1.7.3Maximum wWorking pressure(s) 2/:MPa
1.7.4Approval number:
1.8Flexible Fuel Lines(s): yes/no 1/
1.8.1Make(s):
1.8.2Type(s):
1.8.3Maximum wWorking pressure(s) 2/:MPa
1.8.4Approval number:
1.9Heat exchanger(s): yes/no 1/
1.9.1Make(s):
1.9.2Type(s):
1.9.3Maximum wWorking pressure(s) 2/:MPa
1.9.4Approval number:
1.10Manual valve(s): yes/no 1/
1.10.1Make(s):
1.10.2Type(s):
1.10.3Maximum wWorking pressure(s) 2/:MPa
1.10.4Approval number:
1.11Pressure and/or temperature and/or flow sensor(s): yes/no 1/
1.11.1Make(s):
1.11.2Type(s):
1.11.3Maximum wWorking pressure(s) 2/:MPa
1.11.4Approval number:
1.12Pressure regulator(s): yes/no 1/
1.12.1Make(s):
1.12.2Type(s):
1.12.3Maximum wWorking pressure(s): 2/MPa
1.12.4Approval number:
1.13Pressure relief device: yes/no 1/
1.13.1Make(s):
1.13.2Type(s):
1.13.3Maximum working pressureOperating temperature: 2/MPa°C
1.13.4Approval number:
1.14Refuelling connection or receptacle: yes/no 1/
1.14.1Make(s):
1.14.2Type(s):
1.14.4Maximum wWorking pressure(s) 2/:MPa
1.14.4Approval number:
2Description oOf tThe Hydrogen Related System(s) used for other purposes than the propulsion of the vehicle13/
2.1Description of the hydrogen related system(s):
2.2Name and address of the Manufacturer(s):
2.3Manufacturer's system code(s) (as marked on the system, or other means of identification):
2.4Automatic valve(s): yes/no/same component as used in propulsion system 1/
2.4.1Make(s):
2.4.2Type(s):
2.4.3Maximum wWorking pressure(s) 2/:MPa
2.4.4Approval number:
2.5Check valve(s) or non-return valve(s): yes/no/same component as used in propulsion system 1/
2.5.1Make(s):
2.5.2Type(s):
2.5.3Maximum wWorking pressure(s) : 2/MPa
2.5.4Approval number:
2.6Container(s): yes/no/same component as used in propulsion system 1/
2.6.1Make(s):
2.6.2Type(s):
2.6.4Capacity:litres (water)
2.6.5Approval number
2.7Fittings or screwed connection systems: yes/no/same component as used in propulsion system 1/
2.7.1Make(s):
2.7.2Type(s):
2.7.3Maximum wWorking pressure(s) 2/:MPa
2.7.4Approval number:
2.8Flexible Fuel Lines(s): yes/no/same component as used in propulsion system1/
2.8.1Make(s):
2.8.2Type(s):
2.8.3Maximum wWorking pressure(s) 2/:MPa
2.8.4Approval number:
2.9Heat exchanger(s): yes/no/same component as used in propulsion system 1/
2.9.1Make(s):
2.9.2Type(s):
2.9.3Maximum wWorking pressure(s) 2/:MPa
2.9.4Approval number:
2.10Manual valve(s): yes/no/same component as used in propulsion system 1/
2.10.1Make(s):
2.10.2Type(s):
2.10.3Maximum wWorking pressure(s) 2/:MPa
2.10.4Approval number:
2.11Pressure and/or temperature and/or flow sensor(s): yes/no/same component as used in propulsion system 1/
2.11.1Make(s):
2.11.2Type(s):
2.11.3Maximum wWorking pressure(s) 2/:MPa
2.11.4Approval number:
2.12Pressure regulator(s): yes/no/same component as used in propulsion system1/
2.12.1Make(s):
2.12.2Type(s):
2.12.3Maximum wWorking pressure(s): 2/MPa
2.12.4Approval number:
2.13Pressure relief device: yes/no /same component as used in propulsion system 1/
2.13.1Make(s):
2.13.2Type(s):
2.13.3Maximum working pressureOperating temperature: 2/MPa°C
2.13.4Approval number:
2.14Refuelling connection or receptacle: yes/no /same component as used in propulsion system 1/
2.14.1Make(s):
2.14.2Type(s):
2.14.3Maximum wWorking pressure(s) 2/:MPa
2.14.4Approval number:
3Further documentation:
3.1Process diagram (flow chart)Description of the hydrogen system
3.2System lay-out including(electrical connections,and other external system inputs and/or outputsvacuum connections compensation hoses, etc.)
3.3Key to symbols used in documentation:
3.4Adjustment data of pressure relief devices and pressure regulators:
3.5Whole vehicle approval certificate number if already granted for the vehicle on petrol:
3.56Layout of cooling/heating system(s) including maximum working pressure and operating temperature:
Notes:
1/ Strike out what does not apply.
2/ Specify the tolerance.
Annex 3
Arrangement of the specific component approval marks
(See paragraph 5.2. of this Regulation)
a 8 mm
The above approval mark affixed to the Hydrogen component shows that this component has been approved in Germany (E1), pursuant to the Regulation No. xx under approval number 002439. The first two digits of the approval number indicate that the approval was granted in accordance with the requirements of Regulation No. xx in its original form.
Annex 4
Communication
(maximum format: A4 (210 x 297 mm)
issued by: Name of administration:
concerning:2APPROVAL GRANTED
APPROVAL EXTENDED
APPROVAL REFUSED
APPROVAL WITHDRAWN
PRODUCTION DEFINITELY DISCONTINUED
of a type of Hydrogen component pursuant to Regulation No. xx
Approval No.: ...... Extension No.:......
1. / Hydrogen component considered:Container 2/
Pressure relief device 2/
Automatic valve 2/
Manual valve 2/
Refuelling connection or receptacle 2/
Check valve or non return valve 2/
Pressure regulator 2/
Flexible fuel line 2/
Fitting or screwed connection system 2/
Heat exchanger 2/
Pressure sensor 2/
Temperature sensor 2/
Flow sensor 2/
2. / Trade name or mark ......
3. / Manufacturer's name and address ......
4. / If applicable, name and address of manufacturer's representative ......
......
5. / Submitted for approval on: ......
6. / Technical service responsible for conducting approval tests ......
......
7. / Date of report issued by that service ......
8. / No. of report issued by that service ......
9. / Approval granted/refused/extended/withdrawn 2/
10. / Reason(s) of extension (if applicable) ......
11. / Place ......
12. / Date ......
13. / Signature ......
14. / The documents filed with the application or extension of approval can be obtained upon request.
______
1/Distinguishing number of the country which has granted/extended/refused/withdrawn
approval (see approval provisions in the Regulation).
2/Strike out what does not apply
Annex 5
Arrangements of approval marks for a vehicle type with regard to
the installation of a Hydrogen system
Model A
(See paragraph 13.2. of this Regulation)
a 8 mm
The above approval mark affixed to a vehicle shows that the vehicle has, with regard to the installation of a Hydrogen system for the use of liquid Hydrogen, been approved in Germany (E1), pursuant to the Regulation No. xx under approval number 002439. The first two digits of the approval number indicate that the approval was granted in accordance with the requirements of Regulation No. xx in its original form.
Model B
(See paragraph 14.2. of this Regulation)
a 8 mm
The above approval mark affixed to a vehicle shows that the vehicle has been approved in Germany (E1), pursuant to the Regulation Nos. xx and 83. The approval numbers indicate that, at the dates when the respective approvals were given, Regulation No. xx was in its original form and Regulation No. 83 included the 02 series of amendments
Annex 6
Communication
(maximum format: A4 (210 x 297 mm)
issued by: Name of administration:
concerning:2APPROVAL GRANTED
APPROVAL EXTENDED
APPROVAL REFUSED
APPROVAL WITHDRAWN
PRODUCTION DEFINITELY DISCONTINUED
of a vehicle type with regard to the installation of a Hydrogen system pursuant to Regulation No. xx
Approval No.: ...... Extension No.:......
1. / Trade name or mark of vehicle ......2. / Vehicle type ......
3. / Vehicle category ......
4. / Manufacturer's name and address ......
5. / If applicable, name and address of manufacturer's representative ......
......
6. / Description of the vehicle with regard to the installation of Hydrogen system (add drawing if appropriate) ......
7. / Hydrogen system
7.1. / Trade name or mark of components and their approval numbers
7.1.1. / Container: ......
7.1.2. / etc.: ......
8. / Submitted for approval on: ......
9. / Technical service responsible for conducting approval tests ......
......
10. / Date of report issued by that service ......
11. / No. of report issued by that service ......
12. / Approval granted/refused/extended/withdrawn 2/
13. / Reason(s) of extension (if applicable) ......
14. / Place ......
15. / Date ......
16. / Signature ......
17. / The documents filed with the application or extension of approval can be obtained upon request.
Drawings, diagrams and scheme plans regarding the components and the installation of the Hydrogen equipment considered to be of importance for the purpose of this Regulation;
Where applicable drawings of the various equipment and their position in the vehicle.
______
1/Distinguishing number of the country which has granted/extended/refused/withdrawn approval (see approval provisions in the Regulation).
2/Strike out what does not apply
Annex 7A
Provisions regarding the approval of Container (s)
1.General description
1.1.The hydrogen container is composed of
1.1.1.The inner tank contains cryogenic Hydrogen and may be under pressure.
1.1.2.The outer jacket that may support negative pressure.
1.1.3.The insulation between the inner tank and the outer jacket.
1.1.4.The support of the inner tank.
1.1.5.The support of the container.
1.1.6.A level gauge.
1.1.7.Tubes and piping.
1.1.8.Two pressure relief devices approved in accordance with annex 8A of this regulation.
2.General provisions
2.1.Dimensions
2.1.1.Unless indicated otherwise the general tolerances of EN22768-1 shall apply.
2.2.Design Temperature
2.2.1.The design temperature of the inner tank and all parts directly in contact with the inner tank (piping, insulation, level gauge, etc.…)shall be 20°C. The operating temperature range may vary from -253°C (Liquid Hydrogen) to 85°C under normal use.
2.2.2.The design temperature of the outer vessel shall be 20°C.The operating temperature may vary from -196°C (Liquid Nitrogen) to 85°C under normal use
2.2.3.For extreme operating temperatures exceeding the above-mentioned temperatures special test conditions are applicable which shall be agreed with the Technical Service.
2.3.Pressure vessel code ?
2.3.1.The manufacturer will choose one pressure vessel code as the reference for the container from its design to its final controls.
2.3.2.The pressure vessel code shall be chosen through the following texts until equivalent ECE provisions are available:
2.3.2.1.CODAP
2.3.2.2.AD Merkblatt
2.3.2.3.ASME
2.3.2.4.BS 5000
2.3.2.5.…
2.4.Materials
2.4.1.The materials from which the inner tank is fabricated shall be in accordance with pressure vessel code chosen, and their elongation at fracture in a tensile test according to ”to be defined” shall be at least 14%.
2.4.2.If new materials are used that are not yet covered by the standards, they shall undergo a special qualification procedure. The tests shall be agreed with the Technical Service.
2.4.3.The materials used for the outer jacket shall ensure the integrity of the insulation system, and their elongation at fracture in a tensile test according to annex … shall be at least 14%.
2.4.4.For the inner tank and the pipes, the manufacturer shall provide proof of the compatibility of the material with hydrogen according to annex ???.
2.4.5.For all types of material, the manufacturer shall provide proof of its compatibility with the temperature range specified in § 2.2 of this annex by reference to European Standards.
2.4.6.Guarantees of minimum ductility at low temperature shall be provided for a temperature of –196°C or less for the material of the inner tank, the outer jacket, the different supports and the pipes. See CEN Standard for a proposal First test at hydrogen temperature on the parent material, the other tests may be done at nitrogen temperature …
2.4.8.All components of the container body and all the parts welded thereto shall be made of mutually compatible materials.
2.4.9.The filler materials shall be compatible with the parent material so as to form welds with properties equivalent to those specified for the parent material.
2.4.10.The container manufacturer must obtain and provide chemical cast analysis certificates and mechanical properties of the material in respect of the steels or other materials used in the construction of the parts subject to pressure. In case of metallic materials the certificate must be type 3.1.b according to European Standard EN 10204. In case of non-metallic material the certificate must be of equivalent type.
2.4.11.The inspection authority shall have the opportunity to make independent analyses. These analyses shall be carried out either on specimens taken from the materials as supplied to the container manufacturer or on the finished containers.
2.4.12.The manufacturer shall make available to the inspection authority the results of metallurgical and mechanical tests and analyses of parent and filler materials carried out on welds. The manufacturer shall also provide a description of the welding methods and processes which can be regarded as representative of the welds made during production.
2.4.13.The material used for the insulation system shall be compatible with an atmosphere enriched with 50 % Oxygen or less. to precise and to give a value.(if it exists refer to a standard)
2.4.14.Fire safety.
2.4.14.1.In order to ensure a minimum level of safety under accidental Fire conditions, the outer envelope shall be of austenitic stainless steel or a material providing similar structural properties for fire resistance.
2.5.Electrical connections
2.5.1.Electrical connections inside the container shall comply with insulation class IP 40 according to IEC 529.
3.Design
3.1.Provisions regarding the inner tank
3.1.1.The design of the inner tank will be done according to the design rules of the pressure vessel code chosen.
3.1.2.Nevertheless the maximum stresses in the material shall not exceed:
3.1.2.1. Rm divided by 3.25. Rm = minimum tensile strength.
3.1.2.2.Re divided by 1.5. Re = minimum yield strength
3.1.3.These maximum stresses shall take into account all the stresses that may occur (pressure, thermal, accelerations, and stresses due to the integrated functions that the tank may fulfil according to § 15.3.2)
3.1.4.Joint factor of the inner tank shall be either 1 or 0.85.
3.2.Provisions regarding the outer jacket
3.2.1.In the case of an insulated tank in which the area between the outer jacket and the inner tank is under negative pressure, the outer envelope shall be designed with a minimum coefficient of safety of 2.1 with respect to the buckling failure criteria in addition with the strength that may be due to the support of the container.
3.2.2.The outer jacket shall resist to an internal pressure rise of 1.5 bar a. with the same design criteria as defined for inner tank in § 3.1.2.
3.2.3.Protection of the outer jacket.
3.2.3.1.The outer jacket shall be protected by means of a device preventing an increase in pressure in the event of a leak occurring on a pipe situated between the two skins or on the inner tank.
3.2.3.2.Any increase in pressure shall in all cases be limited to 1.5bara.
3.3.Provisions regarding the Insulation
3.3.1.The insulation shall be designed in such a way that the loss of hydrogen towards the outside shall not exceed 4 % per day of the total volume of the inner tank (to be confirmed after the calculations results).
3.3.2.Under no circumstances may ice be allowed to form on the outer wall of the tank under normal operating conditions. In the area of the pressure relief pipe, local ice formation is allowed on the outside of the pipe
3.3.3.When exposed to fire (according to annex 8???) the container shall withstand the pressure rise for a minimum of five minutes before the pressure relief devices operate. For a vacuum insulated tank, the vacuum shall be considered to be broken. (to be confirmed after by Messer and BMW)
3.4.Level gauge.
3.4.1.A measuring gauge in the driver's compartment shall indicate the level of liquid in the tank with an accuracy of +/- 10%.
3.4.3.If the system comprises a float, the latter shall withstand an outside pressure greater than the maximum working pressure of the inner tank with a minimum coefficient of safety of 2 with respect to the buckling failure criteria.
3.5.Maximum filling level
3.5.1.A system shall be provided for preventing the tank from being overfilled.
3.5.2.At the opening pressure of the primary pressure relief device for the inner tank, the volume of the liquid shall not exceed 97 % of the water volume of the inner tank.
3.5.3.This system may work in conjunction with the refuelling station. Reference to a Standard on the interface to be written.
3.5.4.The device shall bear a permanent marking, indicating the container-type for which it has been designed and if applicable the mounting position and orientation.
3.5.5.If the system comprises a float, the latter shall withstand an outside pressure greater than the maximum working pressure of the inner tank with a minimum coefficient of safety of 2 with respect to the buckling failure criteria.
3.6.Tank supports
3.6.1.The supports of the container shall be designed to resist the acceleration given in § 15 of this text for accidental conditions. Deformations are accepted.
3.6.2.The supports of the inner tank, shall be designed to resist the acceleration given in § 15 of this text for normal conditions without any damage or deformation
3.6.2.Strength limitations for the materials shall be in accordance with the applicable European Standard. When such a standard does not exist, tensile tests shall be carried out in accordance with European Standard ????.
4.Manufacture and inspection
4.1.General provisions
4.1.3.The containers shall be manufactured in full accordance with the code of construction chosen
4.1.4.The materials supplied shall comply with the requirements of these codes. Proof of their characteristics shall be provided by compliance with the standards and by certificates of conformity of the required level.
4.1.5.Manufacturing operations (forming , welding, etc.) shall be carried out with reference to the standards or specifications given in the chosen code.
4.1.6.Inspections during the course of manufacture shall be performed by qualified members of staff belonging to inspection departments or bodies, in accordance with duly identified procedures and equipment managed in quality configuration. The scope of these inspections shall be in accordance with the requirements of the pressure vessel codes.
4.1.7.The manufacturer must describe the welding methods and processes used and indicate the inspections carried out during production.
4.1.8.The welding methods and processes shall be qualified according to European Standard EN 288 .
4.1.9.The welder shall be qualified according to European Standard EN 287.