Foreword
0 Introduction
1 Scope
2 Normative references
3 Definitions
4 Designation
4.1 Range of nominal sizes
4.2 Class designations
4.3 Types of flanges
4.4 Information to be supplied by the purchaser
5 General requirements
5.1 Flange materials
5.2 Repairs
5.3 Bolting
5.4 Gaskets
5.5 Pressure/temperature ( p / T ) ratings
5.6 Dimensions
5.7 Flange facings
5.8 Spot facing and back facing
5.9 Tolerances
5.10 Marking
5.11 Quality assurance
Figure and tables
Figures
Figure 1 : Types of flanges
Figure 2 : Dimensions of Class 150 flanges
Figure 3 : Dimensions of Class 300 flanges
Tables
Table 1 : Synoptic table for copper alloy
and composite flanges
Table 2 : Dimensions of Class 150 flanges
Table 3 : Dimensions of Class 300 flanges
Table 4 : Tolerances
Table 5 : Copper alloy materials
Table 6 : Steel materials for composite and
Clad blank flanges
Table 7 : Pressure / temperature ( p / T ) ratings -
General application
Table 8 : Pressure / temperature ( p / T ) ratings -
elevated temperature application
Table 9 : Pressure / temperature ( p / T ) ratings -
for large size flanges
Annex A : ( Informative) Information to be supplied by
the Purchaser
Annex B : ( Informative ) Application and installation