GB/T 45342-2025 Active National standards

GB/T 45342-2025 Vitreous and porcelain enamels—Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply—Requirements and testing

GB/T 45342-2025 Vitreous and porcelain enamels—Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply—Requirements and testing

Publish Date: 2025-02-28 Implement Date: 2025-09-01 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: GB/T 45342-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Daily-use enamel products

ICS Name: Enamel

Publish Date: 2025-02-28

Implement Date: 2025-09-01

Pages: 20 pages

Scope

This document specifies the requirements for valves and pressure pipe fittings with enamel-coated inner and outer surfaces used in untreated drinking water supply systems, and describes the corresponding test methods.
This document applies to the production, inspection, and sale of valves and pressure pipe fittings with enamel-coated inner and outer surfaces used in untreated drinking water supply systems. This document does not apply to enamel products and fittings used in chemical industries.

Development Information

Word Count: 23 Thousand words Pages: 20 pages

Referenced Standards

GB/T 4956-2003 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness-Magnetic method GB/T 9989.1-2015 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 1:Determination of resistance to chemical corrosion by acids at room temperature GB/T 9989.2-2015 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 2:Determination of resistance to chemical corrosion by boiling acids,boiling neutral liquids and/or their vapours GB/T 16422.1-1996 Plastics—Methods of exposure to laboratory light sources Part 1:General guidance GB/T 16422.1-2006 Plastics—Methods of the exposure to laboratory light sources—Part 1:General guidance GB/T 16422.1-2019 Plastics—Methods of exposure to laboratory light sources—Part 1:General guidance GB/T 16422.2-1999 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon—arc sources GB/T 16422.2-2014 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc sources GB/T 16422.2-2022 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc lamps DIN 50929-3 GB/T 9989.2-2025 Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 2:Determination of resistance to chemical corrosion by boiling acids,boiling neutral liquids,alkaline liquids and/or their vapours GB/T 4956-2025 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness—Magnetic method

Adopt standards

ISO 11177:2019

Related Standards

GB/T 7996-1987 Replaced

GB/T 7996-1987 Nominal volume and nominal diameter for glass-lined vessel

Publish Date: 1987-07-01

GB/T 11418-1989 Active

GB/T 11418-1989 Determination of resistance to heat of vitreous and porcelain enamels

Publish Date: 1989-07-04

GB/T 11419-1989 Replaced

GB/T 11419-1989 Determination of resistance to thermal shock of vitreous and porcelain enamels

Publish Date: 1989-07-04

GB/T 11420-1989 Replaced

GB/T 11420-1989 Measurement of specular gloss of vitreous and porcelain enamels

Publish Date: 1989-07-04

GB/T 13484-1992 Replaced

GB/T 13484-1992 Enamelled ware in contact with food

Publish Date: 1992-06-05

GB/T 13485-1992 Abolished

GB/T 13485-1992 Standard test method for lead and cadmium released from enamelled ware in contact with food

Publish Date: 1992-06-05