T/ZZB 1002-2019 Active Group standards

T/ZZB 1002-2019 Gas-fitting for buried polyethylene (PE) pipe fittings

Publish Date: 2019-03-21 Implement Date: 2019-03-31 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 1002-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Building materials

ICS Name: Pipes and fittings made from other materials

Publish Date: 2019-03-21

Implement Date: 2019-03-31

Scope

Main technical content: This part specifies the definition, symbols, product classification, basic requirements, technical requirements, mechanical properties, physical properties, test methods, inspection rules, technical documents, marking and labeling, packaging, transportation, storage, and quality commitments for buried polyethylene pipe fittings for gas use (hereinafter referred to as "pipe fittings"). This part applies to buried polyethylene pipe fittings for gas use with a nominal diameter of 16 mm to 630 mm, manufactured from PE80 and PE100 compounds. This part applies to pipe fittings with the following connection methods: — Heat-fused butt joint and electric fusion-connected socket pipe fittings; — Electric fusion pipe fittings: a) Electric fusion socket pipe fittings; b) Electric fusion saddle pipe fittings. Note: Pipe fittings can be sleeves, equal-diameter or variable-diameter tees, variable-diameter elbows, saddles, or end caps, etc. This part does not apply to pipe fittings connected by heat-fused butt joints using heating tools. When transporting artificial gas and liquefied petroleum gas, the adverse effects of other components (such as aromatic hydrocarbons, condensate, etc.) in the gas on the performance of pipe fittings at certain concentrations should be taken into account.