T/ZZB 2049-2021 Active Group standards

T/ZZB 2049-2021 High temperature admixture valve

Publish Date: 2021-02-05 Implement Date: 2021-03-01 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 2049-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nValve

ICS Name: Other valves

Publish Date: 2021-02-05

Implement Date: 2021-03-01

Scope

Main technical content: This document specifies the terms and definitions, structural types, models and specifications, basic requirements, technical requirements, test methods, inspection rules, marking, protection, packaging and storage, supply requirements, and quality commitments for high-temperature mixing valves (hereinafter referred to as valves) used in sulfur recovery units. This document is applicable to H2S, SO2 and other hot flow media with a nominal pressure of PN16, PN25, and Class 150, a nominal size of DN150 to DN2000, an inlet temperature of up to 1,500°C, and an outlet temperature of no more than 300°C after mixing, for flange and welded connection high-temperature mixing valves.