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Database: 365,228(8 Aug 2026)
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GB/T 23658-2009 in English

GB/T 23658-2009 in English

VALID

Elastomeric seals - Material requirement for seals used in pipes and fittings carrying gaseous fuels and hydricarbon fluid

  • Issued on:2009-04-24
  • Implemented on:2009-12-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $140.00
$136.00
Standard No: GB/T 23658-2009
Document status: VALID
Title in English: Elastomeric seals - Material requirement for seals used in pipes and fittings carrying gaseous fuels and hydricarbon fluid
Title in Chinese: 弹性体密封圈 输送气体燃料和烃类液体的管道和配件用密封圈的材料要求
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 2009-04-24
Implemented on: 2009-12-01
ICS Classification: 83.140.50-Seals
Chinese Classification: G43-Rubber seal
Professional Classification: GB-National Standard
Related Keywords: steel pipes
copper pipes
plastic pipes
cast iron pipes
elastomeric seals
Related Topics: din sealing ring
din sealing ring
liquid material
Normal phase sealing ring
sealing ring
gas fuel
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Hydrocarbon requirements
GBT23658
GB/T 23658-2009
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gb23658
gb/t 23658-2009
gb/t 23658
gbt23658
gb/t23658

《GB/T 23658-2009弹性体密封圈 输送气体燃料和烃类液体的管道和配件用密封圈的材料要求》由TC35(全国橡胶与橡胶制品标准化技术委员会)归口,TC35SC3(全国橡胶与橡胶制品标准化技术委员会密封制品分会)执行,主管部门为中国石油和化学工业联合会。
本标准规定了工作温度通常为-5℃~+50℃,特殊情况下达到-15℃~+50℃的用于下列场合下的输送管和配件、辅助设备和阀门上的密封圈弹性体材料的要求:a) 一般场合(G型系列):--气体燃料[人工煤气、天然气和气相的液化石油气(LPG)];--芳香族含量30%(体积分数)以下的烃类液体,包括液相的LPG;b) 特殊场合(H型):适合于输送压缩气体燃料和芳香族含量30%(体积分数)以上的烃类液体的材料。本标准对成品密封圈也规定了一般要求,对于特殊用途所需的额外要求应在相应的产品标准中规定。应提请注意的是,管道接口的工作性能与密封圈材料的性能、密封圈的几何形状及管接口的结构有关。如适用,本标准宜同规定管接口工作性能的产品标准一起使用。本标准适用于包括铸铁管、钢管、铜管、塑料管在内的所有管接口密封圈。对于复合密封圈,4.2.8和4.2.9的要求仅适用于与气体燃料或烃类液体接触的弹性体部件。对于硬度级别80和90的材料,只有橡胶直接参与密封或要求密封圈长期稳定时才适用拉断伸长率、压缩永久变形及压缩应力松弛要求。本标准不适用于以下场合:--由多孔材料制成的密封圈;--结构中含有闭孔材料的密封圈;--要求耐火焰或耐热应力的密封圈;--由预硫化型材端部接合而成的有接头的密封圈。


Scope

This standard stipulates that the operating temperature is usually -5°C to +50°C, and in special cases it can reach -15°C to +50°C, which is used for the sealing ring elastomer materials of pipeline fittings, auxiliary equipment and valves in the following occasions Require. This standard applies to all pipe joint sealing rings including cast iron pipes, steel pipes, copper pipes and plastic pipes. This standard does not apply to the following occasions: sealing rings made of porous materials; sealing rings containing closed-cell materials in the structure; sealing rings requiring resistance to flame or thermal stress; joints formed by joining the ends of pre-vulcanized profiles of the sealing ring.

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