T/GDGCC 14-2022 Active Group standards

T/GDGCC 14-2022 Quality grading and "Pioneer" evaluation requirements for automatic gas valve assemblies used in household gas appliances

Publish Date: 2022-09-30 Implement Date: 2022-09-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/GDGCC 14-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Other facilities in the building

Publish Date: 2022-09-30

Implement Date: 2022-09-30

Scope

Scope: This document specifies the terminology and definitions, evaluation index system, and evaluation methods for the quality and enterprise standard level of automatic gas valve assemblies used in household gas appliances. This document applies to the quality and enterprise standard level evaluation of automatic gas valve assemblies used in household gas appliances. Relevant institutions can refer to it when conducting quality grading, enterprise standard level assessments, "Leader" evaluations, and related certifications. Enterprises can also refer to this document when formulating their own enterprise standards. This document applies to automatic gas valve assemblies used in household gas appliances with a maximum working pressure of less than 10 kPa and a nominal diameter not exceeding DN 50. This document does not apply to manual valves, as well as electric ball valves, gate valves, and other valves. Main technical content: The quality grading and "Leader" evaluation index system for automatic gas valve assemblies used in household gas appliances includes basic indicators, core indicators, and innovative indicators. The basic indicators include relevant performance indicators in GB/T 37499-2019. The core indicators include external air tightness, rated flow rate, and closing time. The innovative indicators include minimum output pressure, backlash, minimum/maximum output pressure ratio, and temperature stability of pressure.