Petroleum, petrochemical and natural gas industries - Pressure-relieving and depressuring systems
STANDARD published on 1.3.2021
Designation standards: ČSN EN ISO 23251
Classification mark: 450051
Catalog number: 511538
Publication date standards: 1.3.2021
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document is applicable to pressure-relieving and vapour depressuring systems. Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities, gas plants, Liquefied Natural Gas (LNG) facilities and oil and gas production facilities. The information provided is designed to aid in the selection of the system that is most appropriate for the risks and circumstances involved in various installations. This document supplements API Std 521, 6th edition (2014), the requirements of which are applicable with the exceptions specified in this document