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GB/T 37221-2018 English PDF

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GB/T 37221-2018: Self-floating rubber hoses and hose assemblies for dredging applications
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GB/T 37221-2018English199 Add to Cart 3 days [Need to translate] Self-floating rubber hoses and hose assemblies for dredging applications Valid GB/T 37221-2018

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Basic data

Standard ID GB/T 37221-2018 (GB/T37221-2018)
Description (Translated English) Self-floating rubber hoses and hose assemblies for dredging applications
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G42
Classification of International Standard 83.140.40
Word Count Estimation 10,141
Date of Issue 2018-12-28
Date of Implementation 2019-11-01
Regulation (derived from) National Standard Announcement No. 17 of 2018
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 37221-2018: Self-floating rubber hoses and hose assemblies for dredging applications

---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.
Self--floating rubber hoses and hose assemblies for dredging applications ICS 83.140.40 G42 National Standards of People's Republic of China Self-floating mud hose and hose assembly Published on.2018-12-28 2019-11-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35). This standard was drafted. Sanluo Co., Ltd., Shengli Oilfield Changlong Rubber & Plastic Co., Ltd., China Light Union (Dalian) Packaging Research Institute Ltd., Shenyang Rubber Research and Design Institute Co., Ltd., Guangdong New Bix Industrial Co., Ltd. The main drafters of this standard. Wang Suju, Mu Xuejie, Li Delong, Guo Xiang, Wang Shuli, Zeng Yihua, Zhang Yigui, Ma Qingyuan, Zhang Wanzhi, Wang Wei, Fan Decai. Self-floating mud hose and hose assembly

1 Scope

This standard specifies the structure, dimensions, requirements, test methods, inspection rules, etc. of self-floating mud hoses and hose assemblies. This standard is applicable to seawater with a density of 1.0g/cm3~2.3g/cm3 at an ambient temperature of -20°C~45°C. A mixture of water, silt, clay, sand, and self-floating mud hoses and hose assemblies for coral reefs and gravel.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 231.1 Brinell hardness test for metallic materials - Part 1. Test methods GB/T 528 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber GB/T 529 Determination of tear strength of rubber or thermoplastic rubber (pants, right angles and crescents) GB/T 3512 vulcanized rubber or thermoplastic rubber hot air accelerated aging and heat test GB/T 5563 rubber and plastic hose and hose assembly hydrostatic test method Rubber and plastics hoses and non-reinforced hoses - Determination of flexibility and stiffness - Part 1 test GB/T 6344 Determination of tensile strength and elongation at break of flexible cellular polymeric materials GB/T 6669-2008 Determination of compression set of flexible foam polymeric materials GB/T 7528 rubber and plastic hose and hose assembly terminology Static tensile test of GB/T 7762 vulcanized rubber or thermoplastic rubber resistant to ozone cracking GB/T 8813 Determination of compressive properties of rigid foams GB/T 9124 steel pipe flange technical conditions GB/T 9573 Rubber and Plastic Hose and Hose Assembly Hose Size and Hose Assembly Length Measurement Method GB/T 9576 Guide to the selection, storage, use and maintenance of rubber and plastic hose and hose assemblies GB/T 9577 Rubber and plastic hose and hose assemblies marking, packaging and transport rules GB/T 9867 Determination of the abrasion resistance of vulcanized rubber or thermoplastic rubber (Rotary roller type abrasion machine method) GB/T 14905 Determination of bond strength between layers of rubber and plastic hoses GB/T 15254 vulcanized rubber and metal bonding 180° peel test GB/T 33382-2016 inner armored rubber hose and hose assembly

3 Terms and definitions

The following terms and definitions as defined in GB/T 7528 apply to this document. 3.1 Fully floating mud rubber hose fulyfloatingdredgingrubberhose When the inner cavity is filled with medium, all the pipe body (excluding the end joint) is provided with buoyant material, and the outer diameter of the floating body portion is uniform. hose.

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