T/ZZXJX 122-2022 Active Group standards

T/ZZXJX 122-2022 Residential kitchen and bathroom exhaust duct system application technical regulations

T/ZZXJX 122-2022 Residential kitchen and bathroom exhaust duct system application technical regulations

Publish Date: 2022-05-23 Implement Date: 2022-05-23 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/ZZXJX 122-2022
Standard Type: Group standards
Standard Status: Active
is_force_gb: no
CCS Name: -
ICS Name: Ventilation and air conditioning
Publish Date: 2022-05-23
Implement Date: 2022-05-23

Scope

Main technical content: Foreword 1 Scope 2 Normative reference documents 3 Terms and definitions 4 System and components 4.1 General provisions 4.2 Exhaust ducts 4.3 Fire-resistant check valves 4.4 Roof vents 4.5 Transformer devices 5 Design 5.1 General provisions 5.2 System design 5.3 Exhaust duct design 5.4 Fire-resistant check valve design 5.5 Roof vent design 6 Construction 6.1 General provisions 6.2 Exhaust duct installation 6.3 Fire-resistant check valve installation 6.4 Roof vent installation 7 Acceptance 7.1 General provisions 7.2 Main control items 7.3 General items

Development Information

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