1 Scope
This standard specifies type and basic dimension, technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage and the like of ball angle cock for rolling stock, ball straight-end cock for railway wagon and combined dirt collector for rolling stock.
It is applicable to the manufacture and inspection of ball angle cock for rolling stock, ball straight-end cock for railway wagon and combined dirt collector for rolling stock.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to 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 of the normative document applies.
GB/T 528 Rubber, Vulcanized or Thermoplastic - Determination of Tensile Stress-strain Properties (GB/T 528-2009, ISO 37:2005, IDT)
GB/T 531.1 Rubber Vulcanized or Thermoplastic - Determination of Indentation Hardness - Part 1: Duromerer Method (Shore Hardness) (GB/T 531.1-2008, ISO 7619-1:2004, IDT)
GB/T 1184-2000 Geometrical Tolerances for Features without Individual Tolerance Indications (eqv ISO 2768-2:1989)
GB/T 1220 Stainless Steel Bar
GB/T 1682 Rubber, Vulcanized-Determination of Low-temperature Brittleness (Single Test Piece Method) (GB/T 1682-1994, eqv ISO 812:1991)
GB/T 1690 Rubber, Vulcanized or Thermoplastic - Determination of the Effect of Liquids (GB/T 1690-2006, ISO 1817:2005, MOD)
GB/T 1804-2000 General Tolerances - Tolerances for Linear and Angular Dimensions without Individual Tolerance Indications (eqv ISO 2768-1:1989)
GB/T 2100 Corrosion-resistant Steel Castings for General Applications (GB/T2100-2002, eqv ISO 11972:1998)
GB/T 3512 Rubber, Vulcanized or Thermoplastic - Accelerated Ageing and Heat Resistance Tests - Air-oven Method (GB/T 3512-2001, eqv ISO188:1998)
GB/T 6414 Castings - System of Dimensional Tolerances and Machining Allowances (GB/T 6414-1999, eqv ISO 8602:1994)
GB/T 7306.2 Pipe Threads with 55 Degree Thread Angle where Pressure-tight Joints are Made on the Threads - Part 2: Taper Internal and External Threads (GB/T 7306.2-2000, eqv ISO 7-1:1994)
GB/T 7759 Rubber, Vulcanized or Thermoplastic - Determination of Compression Set at Ambient Elevated or Low Temperatures (GB/T 7759-1996, eqv ISO 815:1991)
TB/T 2206 103/104 Type Distributor Rubber Piece for Vehicles
TB/T 2942 Technical Specification for Purchase and Acceptance of Steel Castings for Railway
TB/T 3218 Air Brake Fitting Guard for Railway Rolling Stock
HG/T 3866 Vulcanized Rubber - Determination of Coefficient of Cold Resistance under Compression
3 Type and Basic Dimension
Type and basic dimension of ball angle cock for railway wagon are detailed in Figure 1 a); for ball straight-end cock for railway wagon, detailed in Figure 1 b), for ball angle cock for passenger train, detailed in Figure 2; for combined dirt collector for railway wagon, detailed in Figure 3; for combined dirt collector for passenger train, detailed in Figure 4.
Foreword i
1 Scope
2 Normative References
3 Type and Basic Dimension
4 Technical Requirements
5 Test Methods
6 Inspection Rules
7 Marking, Packaging, Transportation and Storage
Annex A (Normative) Dirt Collection Test and Flow Test Methods for Dirt Collector
