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What is a ASME B16.11 Threaded Bushing
ASME B16.11 threaded bushing is similar as plug, the difference is the solid or hole. They are used for closing off the end of different pipes and fittings .The final function is leak proof.
We can judge from the name, a threaded bushing is a bushing with different type of threads, and a bushing is a reduced part fittings which can reduce the size between the pipes. It has a larger external one end and a smaller internal the other end. American society of mechanical engineers, short name ASME has a mandatory requirement for it, bushings fit for is called ASME B16.11 threaded fittings.
ASME series standard has been applied since 1922 as the requirement from American industry and government. Different standards is this process system should be applied for different kinds industrial products. For example ASME B16.5 is for forged steel flanges and ASME B16.11 threaded bushing surely is appropriate for ASME B16.11. It covers ratings, dimensions, tolerances, marking and material requirements for socket-welding and threaded forged fittings.
Specification of ASME B16.11 Threaded Bushing
There are mainly two different shapes of threaded bushings, hex head bushings and flush bushings. They both fit for ASME B16.11 standard but hex head busing is the commonly used one.
Size Range | 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1-1/2", 2", 2-1/2", 3", 4" |
Pressure Rating | Class 3000 / 6000lbs |
Standard | ASME B16.11, BS3799 |
Thread Type | NPT, PT, BSPP, BSPT, PF |
Carbon Steel Grades | ASTM A105 / A105N, ASTM A350 LF2 / LF3 |
Alloy Steel Grades | ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22 |
Stainless Steel Grades | ASTM A182 F304/304L/304H, 316/316L, 310S, 317, 347, 904L, 321 |
Duplex Stainless Steel Grades | ASTM A182 F51, F53, F44 |
Dimensions of Threaded Bushing
Nominal Size | Length | Hex Height | Hex Width Flats | |
DN | NPS | A min | G min | F nom |
6 | 1/8 | 10 | - | 11 |
8 | 1/4 | 11 | 3 | 16 |
10 | 3/8 | 13 | 4 | 18 |
15 | 1/2 | 14 | 5 | 22 |
20 | 3/4 | 16 | 6 | 27 |
25 | 1 | 19 | 6 | 36 |
32 | 1-1/4 | 21 | 7 | 46 |
40 | 1-1/2 | 21 | 8 | 50 |
50 | 2 | 22 | 9 | 65 |
65 | 2-1/2 | 27 | 10 | 75 |
80 | 3 | 28 | 10 | 90 |
100 | 4 | 32 | 13 | 115 |
Forged Threaded Hex Bushing Weight Chart in kg
DN | NPS | HEX HEAD BUSHING |
8 | 1/4 | 0.01 |
10 | 3/8 | 0.02 |
15 | 1/2 | 0.03 |
20 | 3/4 | 0.04 |
25 | 1 | 0.07 |
32 | 1-1/4 | 0.12 |
40 | 1-1/2 | 0.14 |
50 | 2 | 0.22 |
65 | 2-1/2 | 0.36 |
80 | 3 | 0.46 |
100 | 4 | 0.78 |
What is a ASME B16.11 Threaded Bushing
ASME B16.11 threaded bushing is similar as plug, the difference is the solid or hole. They are used for closing off the end of different pipes and fittings .The final function is leak proof.
We can judge from the name, a threaded bushing is a bushing with different type of threads, and a bushing is a reduced part fittings which can reduce the size between the pipes. It has a larger external one end and a smaller internal the other end. American society of mechanical engineers, short name ASME has a mandatory requirement for it, bushings fit for is called ASME B16.11 threaded fittings.
ASME series standard has been applied since 1922 as the requirement from American industry and government. Different standards is this process system should be applied for different kinds industrial products. For example ASME B16.5 is for forged steel flanges and ASME B16.11 threaded bushing surely is appropriate for ASME B16.11. It covers ratings, dimensions, tolerances, marking and material requirements for socket-welding and threaded forged fittings.
Specification of ASME B16.11 Threaded Bushing
There are mainly two different shapes of threaded bushings, hex head bushings and flush bushings. They both fit for ASME B16.11 standard but hex head busing is the commonly used one.
Size Range | 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1-1/2", 2", 2-1/2", 3", 4" |
Pressure Rating | Class 3000 / 6000lbs |
Standard | ASME B16.11, BS3799 |
Thread Type | NPT, PT, BSPP, BSPT, PF |
Carbon Steel Grades | ASTM A105 / A105N, ASTM A350 LF2 / LF3 |
Alloy Steel Grades | ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 / 22 |
Stainless Steel Grades | ASTM A182 F304/304L/304H, 316/316L, 310S, 317, 347, 904L, 321 |
Duplex Stainless Steel Grades | ASTM A182 F51, F53, F44 |
Dimensions of Threaded Bushing
Nominal Size | Length | Hex Height | Hex Width Flats | |
DN | NPS | A min | G min | F nom |
6 | 1/8 | 10 | - | 11 |
8 | 1/4 | 11 | 3 | 16 |
10 | 3/8 | 13 | 4 | 18 |
15 | 1/2 | 14 | 5 | 22 |
20 | 3/4 | 16 | 6 | 27 |
25 | 1 | 19 | 6 | 36 |
32 | 1-1/4 | 21 | 7 | 46 |
40 | 1-1/2 | 21 | 8 | 50 |
50 | 2 | 22 | 9 | 65 |
65 | 2-1/2 | 27 | 10 | 75 |
80 | 3 | 28 | 10 | 90 |
100 | 4 | 32 | 13 | 115 |
Forged Threaded Hex Bushing Weight Chart in kg
DN | NPS | HEX HEAD BUSHING |
8 | 1/4 | 0.01 |
10 | 3/8 | 0.02 |
15 | 1/2 | 0.03 |
20 | 3/4 | 0.04 |
25 | 1 | 0.07 |
32 | 1-1/4 | 0.12 |
40 | 1-1/2 | 0.14 |
50 | 2 | 0.22 |
65 | 2-1/2 | 0.36 |
80 | 3 | 0.46 |
100 | 4 | 0.78 |
