CGA S 1.2 : 2009

1 Introduction
2 Scope and purpose
   2.1 Scope
   2.2 Purpose
3 Definitions
4 Types of pressure relief devices
5 Application requirements for pressure relief devices
   5.1 General
   5.2 Piping of pressure relief systems
   5.3 Commodity-based requirements
   5.4 Jacket relief device
6 Design and construction requirements for pressure relief
   devices
   6.1 General
   6.2 Flow capacities for conditions other than fire
   6.3 Flow capacities under fire conditions
   6.4 Pressure relief valves
   6.5 Rupture disk devices
   6.6 Rupture disk in combination with a pressure relief valve
   6.7 Breaking pin device in combination with a pressure
       relief valve
   6.8 Fusible plug devices
7 Tests of pressure relief devices
   7.1 Pressure tests of pressure relief valves
   7.2 Flow capacity tests of pressure relief valves
   7.3 Tests of pressure relief devices other than spring-loaded
       pressure relief valves
   7.4 Rejected material
8 Identification
9 Maintenance requirements for pressure relief devices
10 References
11 Additional references
Tables

Provides requirements for pressure relief devices for use on portable containers designed to DOT specifications.