T/GDC 237-2023 Ultra-high molecular weight multilayer compaction resistant polyolefin composite pipe
T/GDC 237-2023 Ultra-high molecular weight multilayer compaction resistant polyolefin composite pipe
Basic Information
Scope
Scope: This document specifies the terms and definitions, symbols, classification and marking, structure and materials, specifications, requirements, test methods, inspection rules, marking, transportation, and storage of ultra-high molecular weight multi-layer compression-resistant polyolefin composite pipes (hereinafter referred to as composite pipes). This document is applicable to pipes used for urban water supply, building water supply, fire water supply, and the transportation of special fluids (including suitable industrial wastewater, corrosive gas slurry, solid powders, etc.), as well as for the transportation of oil and gas wastewater and mixed-flow composite pipes in the oil and gas industry. Urban gas applications may refer to and adopt this document for reference. Main technical contents: Terms and definitions, symbols, classification and marking, structure and materials, specifications, requirements, test methods, inspection rules, marking, transportation, and storage of ultra-high molecular weight multi-layer compression-resistant polyolefin composite pipes (hereinafter referred to as composite pipes).