Abstract / scope
Specifies requirements for safety valves irrespective of the fluid for which they are designed. Applies to valves having a flow diameter of 9 mm and above, which are for use at set pressures of 1 bar gauge (0,1 MPa) and above.
ISO 4126-1:1991Withdrawn
Safety valves — Part 1: General requirements
Soupapes de sûreté — Partie 1: Prescriptions générales