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GB/T 39389-2020: Plastic composite hose for gas welding, cutting and allied processes
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 39389-2020	English	339	Add to Cart	4 days [Need to translate]	Plastic composite hose for gas welding, cutting and allied processes

GB/T 39389-2020: Plastic composite hose for gas welding, cutting and allied processes

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Composite plastic hose for gas welding, cutting and similar operations) ICS 83.140.30 G33 National Standards of People's Republic of China For gas welding, cutting and similar operations Composite plastic hose 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This standard was proposed by the China National Light Industry Council. This standard is under the jurisdiction of the National Standardization Technical Committee for Plastic Products (SAC/TC48). Drafting organizations of this standard. Weifang Modern Plastic Co., Ltd., Zhejiang Fuhua New Material Technology Co., Ltd., Weifang Haite Plastic Co., Ltd., Weifang City Product Quality Inspection Institute. The main drafters of this standard. Dong Ruirong, Wang Ruping, Zhou Xiaohui, Luo Yu, Cui Aimin. For gas welding, cutting and similar operations Composite plastic hose

1 Scope

This standard specifies the classification, structure, materials, and materials of composite plastic hoses (hereinafter referred to as "hose") for gas welding, cutting and similar operations. Requirements, test methods, inspection rules, marking and packaging, transportation and storage. This standard applies to composite plastic hoses whose maximum working pressure is not more than 2.0MPa and has the following purposes. ---Gas welding and cutting; --- Operations similar to welding and cutting, especially heating, brazing and metal spraying; --- Arc welding under protective gas. This standard does not apply to hoses transporting liquid liquefied petroleum gas (LPG) or acetylene hoses with a working pressure greater than 0.3MPa. Note. The purchaser selects this product appropriately according to its specific application requirements, combined with relevant regulations, standards or specifications.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 528-2009 Determination of tensile stress and strain properties of vulcanized rubber or thermoplastic rubber GB/T 2828.1 Sampling inspection procedure by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 2918 Standard environment for condition adjustment and testing of plastic samples GB/T 5563-2013 Rubber and plastic hoses and hose assemblies hydrostatic test method GB/T 5565.1-2017 Measurement of flexibility and stiffness of rubber and plastic hoses and non-reinforced hoses Part 1.Room temperature bending test GB/T 5565.2-2017 Measurement of flexibility and stiffness of rubber and plastic hoses and non-reinforced hoses Part 2.Bending test below room temperature GB/T 5761-2018 Suspension method general-purpose polyvinyl chloride resin GB/T 7141-2008 Plastic Thermal Aging Test Method GB/T 8804.1-2003 Determination of the tensile properties of thermoplastic pipes Part 1.General rules of test methods GB/T 8804.3-2003 Determination of tensile properties of thermoplastic pipes-Part 3.Polyolefin pipes GB/T 9573-2013 Rubber and plastic hose and hose assembly hose size and hose assembly length measurement method GB/T 9577 Rubber and plastic hoses and hose assemblies marking, packaging and transportation rules GB/T 14905-2009 Determination of the adhesive strength between layers of rubber and plastic hoses GB/T 16604-2017 Polyester industrial filament GB/T 18422-2013 Determination of air permeability of rubber and plastic hoses and hose assemblies GB/T 18424-2001 Determination of change in color and appearance of rubber and plastic hoses exposed to xenon arc lamps GB/T 19278-2018 General terms and definitions for thermoplastic pipes, fittings and valves HG/T 4458-2012 Determination of Plasticizer Loss of Plastic Activated Carbon Method ...