Specifies two methods for establishing the minimum air volume flow rate. One method is dedicated for use with captor hoods, nozzles and slot nozzles with a ratio of slot length to hose diameter of 8:1 or less.

KS ISO 21904-4:2020

Health and safety in welding and allied processes Equipment for capture and separation of welding fume Part 4: Determination of the minimum air volume flow rate of capture devices

Number of Pages:10

  • Kes 3,038.00