Table of Contents

Foreword
Committee Roster
1 Scope
2 Introduction
3 Training and Qualification of Bolted
   Joint Assembly Personnel
4 Cleaning and Examination of Flange
   and Fastener Contact Surfaces
5 Alignment of Flanged Joints
6 Installation of Gasket
7 Lubrication of "Working" Surfaces
8 Installation of Bolts
9 Numbering of Bolts
10 Tightening of Bolts
11 Tightening Sequence
12 Target Torque Determination
13 Joint Pressure and Tightness Testing
14 Records
15 Joint Disassembly
16 References
Appendices
A - Training and Qualification of Bolted Joint
    Assembly Personnel
B - Description of Common Terms
C - Recommended Gasket Contact Surface Finish
    for Various Gasket Types
D - Guidelines for Allowable Gasket Contact Surface
    Flatness and Defect Depth
E - Flange Joint Alignment Guidelines
F - Alternatives to Legacy Tightening Sequence/Pattern
G - Use of Contractors Specializing in Bolting Services
H - Bolt Root and Tensile Stress Areas
I - Interaction During Tightening
J - Calculation of Target Torque
K - Nut Factor Calculation of Target Torque
L - ASME B16.5 Flange Bolting Information
M - Washer Usage Guidance and Purchase Specification for
    Through-Hardened Washers
N - Definitions, Commentary, and Guidelines on the Reuse
    of Bolts
O - Assembly Bolt Stress Determination
P - Guidance on Troubleshooting Flanged Joint Leakage
    Incidents

Abstract

The bolted flange joint assembly (BFJA) guidelines described in this document apply to pressure-boundary flanged joints with ring-type gaskets that are entirely within the circle enclosed by the bolt holes and with no contact outside the circle.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Society of Mechanical Engineers
Pages
ISBN
Supersedes	ASME PCC 1 : 2010