Accounting for pressure existing in the discharge header before the device opens. 4. Environmental and Operational Safety
Ensuring the pressure loss in the approach piping does not cause the valve to chatter or fail to open fully.
Discharge lines direct hazardous or high-pressure fluids away from personnel to a safe location. The standard dictates that:
Authorized digital rights management databases like IHS Markit or SAI Global. Implementation Checklist for Engineers
Devices must be set so that the maximum allowable accumulated pressure is never exceeded during a relief event.
Meeting international and local pressure vessel safety regulations (e.g., PED in Europe).
Perhaps the most crucial requirement outlined in ISO 4126-9 is the management of the space between the rupture disk and the safety valve seat (the interspace).
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
“Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO’s member body in the country of the requester.”