T/MHCCNB 2-2021 Active Group standards

T/MHCCNB 2-2021 Water supply fixture with universal fixed-type pipe

Publish Date: 2022-02-09 Implement Date: 2022-02-09 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: T/MHCCNB 2-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Water supply and drainage projects

ICS Name: Hoses and hose assemblies

Publish Date: 2022-02-09

Implement Date: 2022-02-09

Scope

Main technical content: Universal shaped outlet hose for water supply appliances, used for connecting with water supply appliances, which is convenient for moving in any direction or bending and shaping the outlet hose. The length of the outlet hose refers to the distance between the outer ends of the two joints of the outlet hose. The product name should include the usage scenarios, hygiene standards, and water temperature used, etc. All materials that come into contact with drinking water in the product shall not cause any changes in water quality, appearance, taste, or smell under the usage conditions specified in this document. The PVC food-grade materials used in the product that come into contact with water shall comply with the provisions of GB 4806.1. The rubber sealing ring materials shall be subjected to a 24-hour test at temperatures of -10°C ± 1°C and 70°C ± 1°C, and the compression permanent deformation shall not exceed 20%. The silicone materials used in the product shall comply with the provisions of GB/T 528, GB/T 529, and GB/T 3512. The copper alloy materials used in the joints shall comply with the corresponding material standards while ensuring the performance of the product.