90°STREET ELBOW
ASME B1 6.11 -2011(Revision of ASME B1 6.11 -2009)
Is a standardized pipe fitting, revised from ASME B16.11-2009, designed to facilitate a 90-degree directional change in piping systems. This fitting features a threaded or socket-weld end connection on one side and a male or female thread on the other, providing versatile installation options.
The 90-degree bend allows for smooth fluid flow, minimizing turbulence and pressure drop. With its threaded or socket-weld end connections, it ensures easy integration with other ASME B16.11 compliant components, offering an efficient and reliable solution for navigating fluid flow in piping systems.
Dimensions in Millimeters.
DN | Nom. Pipe | H | A | J | G1 | G2(1) | B(2) | L2 (2) | L |
3000Lb
6 | 1/6 | 19 | 19 | 25 | 3.18 | 2.74 | 6.4 | 6.7 | 10.0 |
8 | 1/4 | 25 | 22 | 32 | 3.30 | 3.22 | 8.1 | 10.2 | 11.0 |
10 | 3/8 | 32 | 25 | 38 | 3.15 | 3.50 | 9.1 | 10.4 | 13.0 |
15 | 1/2 | 38 | 28 | 41 | 4.09 | 4.16 | 10.9 | 13.6 | 14.0 |
20 | 3/4 | 44 | 35 | 48 | 4.32 | 4.88 | 12.7 | 13.9 | 16.0 |
25 | 1 | 51 | 44 | 57 | 4.98 | 5.56 | 14.7 | 17.3 | 19 |
32 | 1-1/4 | 62 | 51 | 66 | 5.28 | 5.56 | 17.0 | 18.0 | 21.0 |
40 | 1-1/2 | 70 | 54 | 71 | 5.56 | 6.25 | 17.8 | 18.4 | 21.0 |
50 | 2 | 84 | 64 | 84 | 7.14 | 7.64 | 19.0 | 19.2 | 22.0 |
6000Lb
5 | 1/8 | 25 | 22 | 32 | 5.08 | 4.22 | 6.4 | 6.7 | 10.0 |
8 | 1/4 | 32 | 25 | 38 | 5.66 | 5.28 | 8.1 | 10.2 | 11.0 |
10 | 3/8 | 38 | 28 | 41 | 6.98 | 5.59 | 9.1 | 10.4 | 13.0 |
15 | 1/2 | 44 | 35 | 48 | 8.15 | 6.53 | 10.9 | 13.6 | 14.0 |
20 | 3/4 | 51 | 44 | 57 | 8.53 | 6.86 | 12.7 | 13.9 | 16.0 |
25 | 1 | 62 | 51 | 66 | 9.93 | 7.95 | 14.7 | 17.3 | 19.0 |
32 | 1-1/4 | 70 | 54 | 71 | 10.59 | 8.48 | 17.0 | 18.0 | 21.0 |
40 | 1-1/2 | 84 | 64 | 84 | 11.07 | 8.89 | 17.8 | 18.4 | 21.0 |
50 | 2 | 102 | 83 | 105 | 12.09 | 9.70 | 19.0 | 19.2 | 22.0 |
(1) Pre-threading wall thickness.
(2) Dimension B represents the minimum length of an impeccable thread. The total length of the functional thread, comprising B and threads with fully formed roots and crests, must meet or exceed the L2 requirement (effective length of external thread) prescribed by the American National Standard for pipe threads (ANSI / ASME B1.20.1).
DIMENSIONAL TOLERANCE OF ASME B16.11
ASME B16.11-2016 (Unit : mm)
Item | Type of | Size | ||||
DN | 6 to 8 | 10 to 20 | 25 to 50 | 65 to 100 | ||
NPS | 1/8 to 1/4 | 3/8 to 3/4 | 1 to 2 | 2-1/2 to 4 | ||
Bore diameter of socket (B) | All types of | +0.4 | +0.4 | +0.4 | —0.0 | |
Bore diameter of fitting (D) | ||||||
±0.7 | ±0.7 | ±0.7 | ±1.4 | |||
Concentricity of bore (X) | ||||||
+ 0.8 | ||||||
Coincidence of axes (Y) | 1/200 Max | |||||
Center to bottom of socket (A) | 45° 90° Elbow | ±1.0 | ±1.5 | ±2.0 | ±2.5 | |
Bottom to bottom of socket (E) | Full Coupling | ±1.5 | ± 3.0 | ±4.0 | ±5.0 | |
Bottom to socket to opposite face (F) | Half Coupling | ±1.5 | ±3.0 | ±4.0 | ±5.0 | |