This Part of GB/T 13871 specifies test requirements for rotary shaft lip type seals incorporating elastomeric sealing elements. The tests may be used for qualification purposes. Materials control, dynamic testing and supplementary low temperature testing requirements are also covered.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of GB/T 13871. For dated references, subsequent amendments to (excluding correction to), or revisions of, these publications do not apply. However, parties to agreements based on this part of GB/T 13871 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 referred to applies.
GB/T 533-1991 Rubber, Vulcanized - Determination of Density (eqv ISO 2781: 1988)
GB/T 1690-1992 Rubber, Vulcanized - Determination of the Effect of Liquids (neq ISO 1817: 1985)
GB/T 3512-2001 Rubber, Vulcanized or Thermoplastic - Accelerated Ageing and Heat Resistance Tests - Air-oven Method (eqv ISO 188: 1998)
GB/T 5719-2006 Rubber Sealing Articles - Vocabulary
GB/T 6031-1998 Rubber, Vulcanized or Thermoplastic - Determination of Hardness (Hardness between 10 IRHD and 100 IRHD (idt ISO 48: 1994)
GB/T 6036-2001 Rubber, Vulcanized or Thermoplastic - Determination of Low Temperature Stiffening (Gehman Test) (idt ISO 1432: 1988)
GB/T 7758-2002 Rubber, Vulcanized - Deternination of Low-temperature Characteristics - Temperature-retraction Procedure (TR Test) (idt ISO 2921: 1997)
GB/T 7759-1996 Rubber, Vulcanized or Thermoplastic-determination of Compression Set at Ambient Elevated or Low Temperatures (eqv ISO 815: 1991)
GB/T 13871.1-2007 Rotary Shaft Lip Type Seals Incorporating Elastomeric Sealing Elements - Part 1: Nominal Dimensions and Tolerances (ISO 6194-1: 1982, MOD)
GB/T 17446-1998 Fluid Power Systems and Components - Vocabulary (idt ISO 5598: 1985)
3 Terms and Definitions
For the purposes of this part, the terms and definitions given in 2.3 of GB/T 5719-2006 and GB/T 17446-1998 and the following definition apply.
3.1
Batch
Identifiable and traceable consignment of rubber compound of definite composition and manufactured in a single production operation
