| Variants |
|
|---|---|
| Reference Standards | ASTM A182 – ASME SA182 – ‘Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings’
ASME B16.11 – ‘Forged Fittings Socket – Welding and Threaded’ MSS SP-43 – ‘Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications’ |
| Dimensions | Diameter: 1/8″ to 4″ |
| Nominal Pipe Size | Length (Amin) |
Plugs Square Head | Plugs Round Head | Hexagonal Plugs | |||
|---|---|---|---|---|---|---|---|
| Height of Square (Bmin) |
Width Flats (Cmin) |
Diameter of Head (Emin) |
Length (Dmin) |
Width Flats (Fmin) |
Hexagonal Height (Hmin) |
||
| 1/8″ | 10 | 6 | 7 | 10 | 35 | 11 | 6 |
| 1/4″ | 11 | 6 | 10 | 14 | 41 | 16 | 6 |
| 3/8″ | 13 | 8 | 11 | 18 | 41 | 18 | 8 |
| 1/2″ | 14 | 10 | 14 | 21 | 44 | 22 | 8 |
| 3/4″ | 16 | 11 | 16 | 27 | 44 | 27 | 10 |
| 1″ | 19 | 13 | 21 | 33 | 51 | 36 | 10 |
| 1 1/4″ | 21 | 14 | 24 | 43 | 51 | 46 | 14 |
| 1 1/2″ | 21 | 16 | 28 | 48 | 51 | 50 | 16 |
| 2″ | 22 | 18 | 32 | 60 | 64 | 65 | 18 |
| 2 1/2″ | 27 | 19 | 36 | 73 | 70 | 75 | 19 |
| 3″ | 28 | 21 | 41 | 89 | 70 | 90 | 21 |
| 4″ | 32 | 25 | 65 | 114 | 76 | 115 | 25 |
Dimensions are in millimeters.
Source: ASME B16.11 – 2009
