T/ZZB 2506-2021 Active Group standards

T/ZZB 2506-2021 Half-closed screw refrigeration compressor

Publish Date: 2021-09-08 Implement Date: 2021-10-08 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 2506-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Compressors and fans

ICS Name: Compressors and pneumatic machinery

Publish Date: 2021-09-08

Implement Date: 2021-10-08

Scope

Main technical content: This document specifies the terms and definitions, basic parameters, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for semi-closed screw compressors. This document applies to semi-closed twin-screw refrigeration compressors (hereinafter referred to as "compressors") using R134a, R404A, R407C, R410A, and R507A as refrigerants, with a rated input power of not less than 7.5 kW. This document does not apply to single-machine two-stage screw compressors.