Skip to content

DNV-RP-B301 Inspection and evaluation of non-metallic seals

Recommended practice

Edition 2019-09 - Amended 2021-09

This recommended practice (RP) describes a procedure for inspecting, testing and evaluating non-metallic seals used in service.

The objective of this RP is to improve equipment integrity through the correct seal and sealing material being selected for long-term no-leak service. The RP can further be used to optimize service intervals and life extensions by documented field experience.


Get access to this document with a Rules and Standards Explorer+ subscription

Click to go to Veracity for more information


Already have a subscription?

Access the complete version of the document here

A 14 day free trial of Rules and Standards Explorer+ is available

To start a free trial, go to any of the documents included in the Rules and Standards Explorer+ subscription. You will need to be logged in to or sign up for Veracity first. Then simply click the link to begin your free trial.