1 Subject Content and Application Scope
This standard specifies property requirement and test method for material of rubber seals used for gas (natural gas or artificial gas) supply pipes and fittings at operating temperatures below 50℃ as well as some general requirements for finished seals.
This standard is applicable to cast iron, steel, copper and plastic pipeline seals.
This standard is not applicable to seals made of foam rubber or those containing closed-pore spatial structure.
2 Normative References
GB 528 Rubber, Vulcanized - Determination of Tensile Stress - Strain Properties
GB 531 Shore A Hardness Test Method of Vulcanized Rubber
GB 1682 Rubber, Vulcanized - Test Method of Brittleness Temperature
GB 1683 Determination of Compression Set under Constant for Vulcanized Rubber
GB 1685 Rubber Vulcanized - Determination of Stress Relaxation in Compression at Normal and Elevated Temperature
GB 1690 Rubber, Vulcanized - Determination of the Effect of Liquids
GB 2941 Rubber - Standard Temperature, Humidity and Time for the Conditioning Environmental and Testing of Test Pieces
GB 3452.2 Appearance Quality Acceptance Criteria for Rubber O-rings
GB 3512 Rubber Vulcanized - Accelerated Ageing or Heat-resistance Test - Air-oven Method
1 Subject Content and Application Scope
2 Normative References
3 Classification
4 Technical Requirements
5 Test Method
6 Inspection Rules
7 Marking, Packaging, Transportation and Storage
1 Subject Content and Application Scope
This standard specifies property requirement and test method for material of rubber seals used for gas (natural gas or artificial gas) supply pipes and fittings at operating temperatures below 50℃ as well as some general requirements for finished seals.
This standard is applicable to cast iron, steel, copper and plastic pipeline seals.
This standard is not applicable to seals made of foam rubber or those containing closed-pore spatial structure.
2 Normative References
GB 528 Rubber, Vulcanized - Determination of Tensile Stress - Strain Properties
GB 531 Shore A Hardness Test Method of Vulcanized Rubber
GB 1682 Rubber, Vulcanized - Test Method of Brittleness Temperature
GB 1683 Determination of Compression Set under Constant for Vulcanized Rubber
GB 1685 Rubber Vulcanized - Determination of Stress Relaxation in Compression at Normal and Elevated Temperature
GB 1690 Rubber, Vulcanized - Determination of the Effect of Liquids
GB 2941 Rubber - Standard Temperature, Humidity and Time for the Conditioning Environmental and Testing of Test Pieces
GB 3452.2 Appearance Quality Acceptance Criteria for Rubber O-rings
GB 3512 Rubber Vulcanized - Accelerated Ageing or Heat-resistance Test - Air-oven Method
Contents of HG/T 3092-1988/1997
1 Subject Content and Application Scope
2 Normative References
3 Classification
4 Technical Requirements
5 Test Method
6 Inspection Rules
7 Marking, Packaging, Transportation and Storage