GB/T 41494-2022 (English Version) PDF

Scope: This document specifies the materials and structure, product classification, service conditions, requirements, test methods, inspection rules, marking, packaging, transportation and storage of aluminum alloy plastic-lined composite pipes and fittings. This document applies to aluminum alloy-lined plastic composite piping systems for domestic drinking water, domestic hot water, heating water, and air-conditioning circulating water; aluminum alloy-lined plastic composite piping systems for indoor gas transmission; considering the chemical resistance of materials It can be used in various chemical fluid and gas transportation aluminum alloy lined plastic composite piping systems under the condition of heat resistance.

GB/T 41494-2022 Referenced Document

GB/T 2828 Batch-by-batch inspection counting sampling procedure and sampling table (applicable to continuous batch inspection)
GB/T 2918 Standard environment for conditioning and testing of plastic specimens
GB/T 3190 Chemical composition of wrought aluminium and aluminium alloys
GB/T 3682 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics
GB/T 4436 Wrought aluminum and aluminum alloy tubes.Dimensions and deviations
GB/T 6111 Thermoplastics piping systems for the conveyance of fluids.Determination of the resistance to internal pressure