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GB/T 43917.4-2024 Active
GB/T 43917.4-2024 Equipment for capture and separation of welding fume—Part 4:Determination of the minimum air volume flow rate of capture devices
Abstract
This document specifies two test methods for determining the minimum air volume of welding fume collection and separation equipment, including testing principles, instruments, test methods, and test report requirements.
This document is applicable to collection hoods, collection nozzles, and flat-mouth collection nozzles with a length-to-hose diameter ratio of 8:1 or less, as well as welding gun fume suction devices. It is not applicable to down-draft ventilation workbenches.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 43917.4-2024 |
| CCS | Welding and cutting |
| ICS | The comprehensive application of welding, brazing, and low-temperature welding |
| Implement Date | 2024-11-01 |
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