Dimensional Standards for Piping Engineering

Sr.

Details

Standard

1

Pipe Threads, General Purpose (Inch)

B1.20.1

2

Dryseal Pipe Threads (Inch)

B1.20.3

3

Cast Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

B16.1

4

Malleable Iron Threaded Fittings: Classes 150 and 300

B16.3

5

Gray Iron Threaded Fittings: Classes 125 and 250

B16.4

6

Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24 Metric/Inch Standard

B16.5

7

Factory-Made Wrought Buttwelding Fittings

B16.9

8

Face-to-Face and End-to-End Dimensions of Valves

B16.10

9

Forged Fittings, Socket-Welding and Threaded

B16.11

10

Cast Iron Threaded Drainage Fittings

B16.12

11

Ferrous Pipe Plugs, Bushings, and Locknuts With Pipe Threads

B16.14

12

Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed

B16.20

13

Nonmetallic Flat Gaskets for Pipe Flanges

B16.21

14

Buttwelding Ends

B16.25

15

Wrought Steel Buttwelding Short Radius Elbows and Returns

B16.28

16

Valves — Flanged, Threaded, and Welding End

B16.34

17

Orifice Flanges

B16.36

18

Large Metallic Valves for Gas Distribution (Manually Operated, NPS 21/2 to 12, 125 psig Maximum)

B16.38

19

Malleable Iron Threaded Pipe Unions

B16.39

20

Ductile Iron Pipe Flanges and Flanged Fittings, Classes 150 and 300

B16.42

21

Large Diameter Steel Flanges (NPS 26 Through NPS 60)

B16.47

22

Steel Line Blanks

B16.48

23

Welded and Seamless Wrought Steel Pipe

B36.10

24

Stainless Steel Pipe

B36.19

25

Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application, and Installation

MSS-SP-58

26

Socket Welding Reducer Inserts

MSS-SP-79

27

Class 300 Steel Pipe Unions, Socket Welding and Threaded

MSS-SP-83

28

Swage(d) Nipples and Bull Plugs

MSS-SP-95

29

Integrally Reinforced Forged Branch Outlet Fittings – Socket Welding, Threaded and Buttwelding Ends

MSS-SP-97