T/SCJC P02-2021 Active Group standards

T/SCJC P02-2021 Modified Polyvinyl Chloride (PVMK) Double Wall Corrugated Pipe for Underground Drainage Materials

Publish Date: 2021-08-09 Implement Date: 2021-08-18 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/SCJC P02-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Other building materials

Publish Date: 2021-08-09

Implement Date: 2021-08-18

Scope

Scope: This standard specifies the definition, symbols, materials, classification, marking, pipe structure and connection, technical requirements, test methods, inspection rules, marking, transportation, and storage of modified polyvinyl chloride double-wall corrugated pipes (hereinafter referred to as "pipes") made of modified polyvinyl chloride plastic modified by high-molecular materials as the main raw materials and extruded into shape for underground drainage. This standard applies to unpressurized underground drainage pipes used in municipalities, residential areas, sponge cities, etc., and can also be used as reference for communication cable conduits. Considering the material's chemical resistance and temperature resistance, it can also be used for unpressurized industrial wastewater discharge pipes. Main technical content: 7. Technical requirements 7.1 Color: The inner and outer layers of the pipes should be uniform in color, and the color shall be determined by mutual consultation between the supplier and the purchaser. 7.2 Appearance: The inner and outer walls of the pipes should not have bubbles, cracks, discoloration lines due to decomposition, or obvious impurities and irregular corrugations. The inner wall of the pipes should be smooth, and the ends of the pipes should be flat and perpendicular to the axis. The inner and outer walls of the corrugated areas of the pipes should be tightly welded and should not show any separation. 7.3 Specifications and dimensions: The length of the pipes is generally 6m, but it can also be determined by mutual consultation between the supplier and the purchaser, and there should be no negative deviation in the length. The specifications of the pipes are expressed as nominal sizes DN/ID or nominal sizes DN/OD (see Tables 4 and 5). 7.4 Physical and mechanical performance requirements: The physical and mechanical performance shall comply with the provisions of Table 6. 7.5 System applicability (sealing p