T/SA 93-2025 Active Group standards

T/SA 93-2025 PSP socket-and-spigot plastic-coated composite spiral steel pipe for water supply and drainage

Publish Date: 2025-09-28 Implement Date: 2025-09-28 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/SA 93-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Dental instruments, equipment, and materials

ICS Name: Special-purpose pipe steel

Publish Date: 2025-09-28

Implement Date: 2025-09-28

Scope

This standard applies to PSP water supply and drainage threaded plastic-coated composite steel pipes with a nominal size of ≤1200mm and a conveying medium temperature of <45℃. It specifies the following core technical content: - On the material side, it clarifies the performance of polyethylene and epoxy resin, and requires the base pipe to meet the Sa2.5 level of rust removal; - Technical requirements include dimensions, appearance, welding seams, adhesion, working pressure, and hygiene; - Supporting test methods, with inspections divided into factory inspections and type inspections; - It also specifies the content of markings, packaging methods, and storage environments ranging from -30℃ to 45℃.