T/ZZB 2203-2021 Active Group standards

T/ZZB 2203-2021 Construction of manually operated stainless steel threaded ball valve

Publish Date: 2021-08-12 Implement Date: 2021-09-12 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/ZZB 2203-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nValve

ICS Name: Ball valve

Publish Date: 2021-08-12

Implement Date: 2021-09-12

Scope

Main technical content: This document specifies the terms and definitions, types and parameters, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality commitments of manual stainless steel threaded ball valves for building use. This document is applicable to manual stainless steel threaded ball valves for building water supply and drainage with a nominal pressure of PN ≤ 4.0 MPa, a nominal size of DN ≤ 50 mm, and an operating temperature of -29 ℃ ≤ t ≤ 180 ℃ (hereinafter referred to as "ball valves"). This document is also applicable to manual stainless steel threaded ball valves used for non-corrosive, non-flammable and non-explosive gases as the working medium.