ISO 9090:1989
ISO 9090:1989


Specifies the maximum external leakage rates which are acceptable for equipment used for welding, cutting and allied processes. Applies to individual components which are used in the gas supply to a blowpipe from the connecting point of the hose (outlet of the cylinder valve or connecting point to a gas supply plant). Does not apply to gas supply plants.

General information 

  •  :  Withdrawn
     : 1989-04
  •  : 1
     : 4
  •  : ISO/TC 44/SC 8 Equipment for gas welding, cutting and allied processes
  •  :
    25.160.30 Welding equipment

Life cycle

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.