» Technical » ASME B16.11 Street Elbow | Threaded

ASME B16.11 Street Elbow | Threaded

December 8, 2021

Drawing & Function

drawing of threaded street elbow

The technical drawing of ASME B16.11 street elbow with one end MNPT and other end FNPT. H: outside diameter of band; B: minimum length of perfect thread; L2: effective length of external thread; L: minimum length of male thread; G2: minimum wall thickness; J: center-to-male end of street elbow; G1: minimum wall thickness; A: center-to-female end of street elbow.

The ASME B16.11 street elbow is a 90° elbow with one end externally threaded (male NPT) and the other end internally threaded (female NPT). The male NPT end is to connect with a female-NPT screwed pipe while the female NPT end is to connect with a male-NPT screwed pipe. It changes the flow direction by an angle of 90 degrees. The screwed ends promote a rapid and convenient installation with mating pipes. They are available from sizes 1/8″ (NPS) through 2″ (NPS) in two pressure ratings: Class 3000 and Class 6000.

ASME B16.11 Forged Fittings (SW & THD)
90° Elbow45° ElbowCross
TeeCouplingHalf Coupling
BossCapCouplet
Street Elbow*Plug*Bushing*
*Click to view dimensions and masses of other ASME B16.11 fittings.

Dimensions & Masses of ASME B16.11 Threaded Street Elbows

NPSA
3000#
A
6000#
J
3000#
J
6000#
1/8"19222532
1/4"22253238
3/8"25283841
1/2"28354148
3/4"35444857
1"44515766
1-1/4"51546671
1-1/2"54647184
2"648384105
*Dimensions A & J: in mm.

NPSH
3000#
H
6000#
G1
3000#
G1
6000#
1/8"19253.185.08
1/4"25323.305.66
3/8"32383.516.98
1/2"38444.098.15
3/4"44514.328.53
1"51624.989.93
1-1/4"62705.2810.59
1-1/2"70845.5611.07
2"841027.1412.09
*Dimensions H & G1: in mm.

NPSG2
3000#
G2
6000#
BL2
1/8"2.744.226.46.7
1/4"3.225.288.110.2
3/8"3.505.599.110.4
1/2"4.166.5310.913.6
3/4"4.886.8612.713.9
1"5.567.9514.717.3
1-1/4"5.568.4817.018.0
1-1/2"6.258.8917.818.4
2"7.649.7019.019.2
*Dimensions G2, B, L2: in mm.

NPSLMass
3000#
Mass
6000#
1/8"100.080.17
1/4"110.110.23
3/8"130.180.39
1/2"140.250.57
3/4"160.420.91
1"190.651.38
1-1/4"210.941.75
1-1/2"211.422.65
2"222.173.96
*Dimensions L in mm; Masses for Class 3000 & 6000 in kg.

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