ASME B16.11 Plugs and Bushings

ASME B16.11 plugs and bushings are integral components in high-pressure piping systems, designed to seal or close off openings in pipes, valves, or fittings. These threaded fittings, available in various materials and configurations, play a crucial role in controlling fluid flow and maintaining the integrity of the piping system.Our ASME B16.11 plugs and bushings are dimensioned according to B16.11 standard, including pressure-temperature ratings, dimensions, marking, tolerances and material requirements.

ASME B16.11 Plugs and Bushings Dimensions:

ASME B16.11 Plugs and Bushings

ASME B16.11 Plugs and Bushings

Nominal Pipe Size Minimum Length, A Square Head Plugs Round Head Plugs Hex Plugs and Bushings
Minimum Square Height, B Minimum Width Flats, [Note(2)] Nominal Head Diameter, E Minimum Length, D Nominal Width Flats, [Note(2)] Minumu Hex Height Bushing, G Minumu Hex Height Plug, H
10 6 7.15 10 35 11.11 6
¼ 11 6 9.55 14 41 15.88 3 6
13 8 11.11 18 41 17.46 4 8
½ 14 10 14.29 21 44 22.23 5 8
¾ 16 11 15.88 27 44 26.99 6 10
1 19 13 20.64 33 51 34.93 6 10
21 14 23.81 43 51 44.45 7 14
21 16 28.58 48 51 50.80 8 16
2 22 18 33.27 60 64 63.50 9 18
27 19 38.10 73 70 76.20 10 19
3 28 21 42.86 89 70 88.90 10 21
4 32 25 63.50 114 76 117.48 13 25

GENERAL NOTE:Dimensions are in millimeters.
NOTES:
(1)Cautionary Note Regarding Hex Bushings:Hex head bushings of one-size reduction should not be used in services where they might be subject
to harmful loads and forces other than internal pressures.
(2)Manufacturer’s applied tolerance shall ensure dimension will fit U.S.Customary tooling.

ASME B16.11 Plugs and Bushings Dimensions:

ASME B16.11 Plugs and Bushings

ASME B16.11 Plugs and Bushings

Nominal Pipe Size Minimum Length, A Square Head Plugs Round Head Plugs Hex Plugs and Bushings
Minimum Square Height, B Minimum Width Flats, [Note(2)] Nominal Head Diameter, E Minimum Length, D Nominal Width Flats, [Note(2)] Minumu Hex Height Bushing, G Minumu Hex Height Plug, H
0.38 0.25 0.28 0.41 1.38 0.44 0.25
¼ 0.44 0.25 0.38 0.53 1.62 0.62 0.12 0.25
0.50 0.31 0.44 0.69 1.62 0.69 0.16 0.31
½ 0.56 0.38 0.56 0.84 1.75 0.88 0.19 0.31
¾ 0.62 0.44 0.62 1.06 1.75 1.06 0.22 0.38
1 0.75 0.50 0.81 1.31 2.00 1.38 0.25 0.38
0.81 0.56 0.94 1.69 2.00 1.75 0.28 0.56
0.81 0.62 1.12 1.91 2.00 2.00 0.31 0.62
2 0.88 0.69 1.31 2.38 2.50 2.50 0.34 0.69
1.06 0.75 1.50 2.88 2.75 3.00 0.38 0.75
3 1.12 0.81 1.69 3.50 2.75 3.50 0.41 0.81
4 1.25 1.00 2.50 4.50 3.00 4.62 0.50 1.00

GENERAL NOTE:Dimensions are in inches.
NOTES:
(1)Cautionary Note Regarding Hex Bushings:Hex head bushings of one-size reduction should not be used in services where they might be subject
to harmful loads and forces other than internal pressures.
(2)Manufacturer’s applied tolerance shall ensure dimension will fit U.S.Customary tooling.

Meanwhile,we manufacture & supply different types of threaded pipe fittings according to ASME B16.11 standard as follows:

Haihao Group manufacture & supply & export pipeline products more than 30 years,which contain butt welding pipe fittings(elbows,tees,reducers,caps,bends,crosses,etc),forged pipe fittings(socket weld/threaded elbows, tees, reducers, crosses, couplings, union, outlet, nipple, etc),steel pipes(seamless steel pipes, SAW/ERW steel pipes, casing and tubing pipes,etc) and forged flanges(weld neck flange, slip on flange, blind flange, lap joint flange, plate flange, threaded flange, socket weld flange, orifice flange, spectacle blind flange, weld overlay cladding flange,etc).We supply the products in different standards such as ANSI/ASME, ASTM, BS, EN, JIS, GOST, ISO, MSS, etc.If you want to know more about our pipeline products,please email us:sales@haihaogroup.com

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