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PIPING JOINTS HANDBOOK DOWNLOAD

Posted by Antony Thomas at Tuesday, November 13, 2012

Introduction


This booklet has been written as an introduction to and a
source of general information on pipe joints.
The flanged joint appears deceptively simple but in fact the
science of flanges and joint sealing is complex and continuously
developing. Sound joints are critical to piping integrity and
plant safety.


Contents                                             Page

1.   Technical Data - Company and National Standards       7
1.1     BP Amoco Engineering Standards                           7
1.2     ANSI/API Standards                                                 7
1.3     British Standards                                                       8
1.4     Piping Specifications                                                 9
2.   Flanges                                                                          11
2.1     Flange Standards                                                     12
2.2     Flange Facings                                                         12
2.3     Flange Face Re-Machining                                      14
2.4     Flange Types                                                            16
2.5     Flange Specification and Identification                    21
2.6     Pipe Flanges - Do’s and Don’ts                               22
2.7     Flange Surface Finish and Flange Distortion           23
3.   Gaskets                                                                          25
3.1     Selection of Gasket Material                                    25
3.2     Fugitive Emissions                                                   26
3.3     Compatibility with Fluid                                            27
3.4     Temperature                                                             27
3.5     Internal Pressure                                                      29
3.6     Special Considerations                                            29
3.7     RTJ (Ring Type Joint) Gaskets                                 32
3.8     Spiral Wound Gaskets                                              36
3.9     Sheet Gaskets                                                          43
3.10   Compressed Asbestos Fibre Gasket (CAF)             46
3.11   Gaskets for Lined Pipework                                     47
3.12   Gaskets - Do’s and Don’ts                                       49
4.   Compact Flanged Joints                                                51
4.1     Taper-Lok                                                                 51
4.2     Graylock Coupling                                                    53
4.3     Other Designs                                                          54
4.4    Compact Flanges Specification and Identification   55


4.5     Compact Flanges - Do’s and Don’ts                        55
4.6     Breaking Joints                                                         56
4.7     Making Joints                                                           58
5.   Bolting for Flanges and Covers                                     61
5.1     Bolt Material Grade                                                  62
5.2     Bolt Thread                                                               62
5.3     Bolt Coating/Plating                                                 63
5.4     Bolt Specification and Identification                         65
5.5     Tension Controlled Fasteners - Rotabolt                   66
5.6     Hydraulic Bolt Tensioning                                         70
5.7     Flange and Bolt Protection                                       72
5.8     Bolting - Do’s and Don’ts                                          72
5.9     Manual Bolt Tightening                                            73
5.10   Bolt Tightening - Do’s and Don’ts                             77
5.11   Hot Bolting                                                               78
5.12   Restrictions on Hot and Odd Bolting                        79
5.13   Insulation Kits for Bolts                                            80
5.14   Insulating Kit Identification and Specification          84
5.15   Insulating Kits - Do’s and Don’ts                              84
6.   Spading and Blanking of Flanges                                  87
7.   Screwed Piping Joints                                                    89
7.1     Threaded Joints                                                       89
7.2     Sealing on a Threaded Joint                                    90
7.3     Table of Thread Jointing Compounds                      92
7.4     Screwed Unions                                                       94
7.5     Screwed Joints Specification and Identification       95
7.6     Screwed Joints - Do’s and Don’ts                            96
8.   Compression Fittings                                                     99
8.1     Compression Fitting Specification and                    101
Identification
8.2     Compression Fittings - Do’s and Don’ts                  102

9.  Elastomeric 0-Ring Seals                                          105
9.1     Selection of Elastomeric O-Rings                           106
9.2     Elastomeric O-Ring Failures                                    107
9.3     Elastomeric O-Rings - Specification and                108
Identification
9.4     Installation of Elastomeric O-Rings - Do’s and        109
Don’ts
Appendix 1 - Miscellaneous Technical Data                        111
1.   Bolts Material Specifications                                             112
2.   Hydraulic Bolt Tensioning                                                   113
3.   Surface Finish Values for Tongue and Groove Small         113
Male/Female and Ring Joint Facings
4.   Chemical Resistance: Selected Elastomers and               114
Plastics
Appendix 2 - Dimensional Data                                          117
1.   ANSI B16.5 Basic Flange Dimensions                              118
2.   ANSI B16.5 Flange Bolt Hole and Studbolt Dimensions   126
3.   Ring Joint Facing and RTJ Gasket Dimensions                 133
4.   Spades for Raised Face Flanges to Suit ANSI B16.5        140
5.   Spades for Ring Type Joint  Flanges to Suit ANSI            147
B16.5
6.   Normal Wall Thickness for Pipe Schedule Sizes               154
7.   Butt Welding Elbows and Return Bends to                        156
ANSI B16.9 and ANSI B16.28
8.   Butt Welding Reducers, Tees, Lap Joint Stub Ends           157
and Caps to ANSI B16.9
9.   Welded and Seamless Pipe, BS 1600                               158
10. Table of Gauges                                                                159
11. Decimal Equivalents of Fractions                                      160


Piping Joints Handbook

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