1 Scope
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of heat exchanger for electric locomotive main transformer.
This standard is applicable to new heat exchanger for electric locomotive main transformer. It may also serve as a reference for the new heat exchanger for electric rail car main transformer.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 191-2000 Packaging - Pictorial marking for handling of goods (eqv ISO 780: 1997)
GB/T 1804-2000 General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications (eqv ISO 2768-1: 1989)
GB/T 3190 Wrought aluminium and aluminium alloys - Chemical composition limits (neq ISO 209: 1991)
GB/T 3194-1998 Wrought aluminium and aluminium alloy sheets and strips - Tolerances on forms and dimensions
GB/T 3197 Aluminium and alumium alloy wires for welding purpose
GB/T 3198 Aluminium and aluminium alloys foils
GB/T 3317 General technical specification for electric locomotive
GB/T 3880 Aluminium and aluminium alloy rolled sheet
GB/T 4436-1995 Wrought aluminium and aluminium alloy tubes - Dimensions and deviations
GB/T 4437.1 Aluminium and aluminium alloy extruded tubes - Part 1: Seamless tubes
GB/T 6892 Wrought aluminium and aluminium alloys extruded profiles for general engineering
GB/T 10858 Aluminium and aluminium alloy wires and rods
GB/T 13306-1991 Plates
TB/T 3058-2002 Railway applications - Rolling stock equipment Shock and vibration tests (idt IEC 61373: 1999)
YS/T 69 Aluminum alloy brazing sheet
3 Structure and assembly
1 Scope
2 Normative references
3 Structure and assembly
4 Technical requirements
5 Test methods and inspection rules
6 Marking, packaging, transportation and storage
Annex A (Normative) Calculation sheet or performance test of heat exchanger
