Flanges

BUTTWELD FITTINGS

90° LONG RADIUS ELBOW

We are globally well renowned as the Best Quality Buttweld Fittings manufacturer in India. We cater an ample assortment of Buttweld Fittings which is incorporated using high technology machines. Our Buttweld Fittings are demanded by all due to their less maintenance, high tensile strength and excellent finish. High reliability and durability are the salient features of our Buttweld Fittings. We stand in the midst of predominant Buttweld Fittings suppliers in India. We deliver our Buttweld Fittings at very competitive prices and within the specified time.

Standards: ANSI - B 16.9
ASTM A403 - ASME SA403 - 'Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings'
API 590-605
ASME B16.9 - 'Factory-Made Wrought Buttwelding Fittings''
ASME B16.25 - 'Buttwelding Ends'
ASME B16.28 - 'Wrought Steel Buttwelding Short Radius Elbows and Returns'
MSS SP-43 - 'Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications'
Schedule: Sch 5 TO Sch XXS.
Sizes: Diameters - from 21,3 to 711 mm.
Wall Thickness - from 2 to 40 mm.
Materials: Monel, Nickel, Inconel, Hastalloy, Titanium, Tantalum, Stainless Steel, Alloy Steel, Carbon Steel, Cupro-Nickel 90/10 & 70/30
Stainless Steel ASME / ASTM SA / A403 SA / A 774 WP-S, WP-W, WP-WX, 304, 304L, 316, 316L, 304/304L,  316/316L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
Type: Butt Weld (BW)
Thickness: Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.
Dimension: ANSI B16.9, ANSI B16.28, MSS-SP-43 Type A, MSS-SP-43 Type B, JIS B2312, JIS B2313

 

Dimensions

LONG RADIUS ELBOWS (R = 1,5 ND) ANSI B 16.9 dimensions
inches ND mm Center to center Radius Center to end Back to face
D O A B K
1/2 15 21,34 76,20 38,10 15,87 47,62
3/4 20 26,67 57,15 28,57 11,11 42,86
1    25 33,40 76,20 38,10 22,22 55,56
1 1/4 32 42,16 95,25 47,60 25,40 69,85
1 1/2 40 48,26 114,30 57,15 28,57 82,55
2    50 60,32 152,40 76,20 34,92 106,40
2 1/2 65 73,02 190,50 95,25 44,45 131,80
3    80 88,90 228,60 114,30 50,80 158,75
3 1/2 90 101,60 266,70 133,35 57,15 184,15
4    100 114,30 304,80 152,40 63,50 209,55
5    125 141,30 381,00 190,50 79,38 261,90
6    150 168,27 457,20 228,60 95,25 312,70
8    200 219,07 609,60 304,80 127,00 414,30
10    250 273,05 762,00 381,00 158,75 517,50
12    300 323,85 914,40 457,20 190,50 619,10
14    350 355,60 1066,80 533,40 222,25 711,20
16    400 406,40 1219,20 609,60 254,00 812,80
18    450 457,20 1371,60 685,80 285,74 914,40
20    500 508,00 1524,00 762,00 317,50 1016,00
22    550 558,80 1676,40 838,20 342,90 1117,60
24    600 609,60 1828,80 914,40 381,00 1219,20
28    700 711,20 2133,60 1066,80 441,90 1422,40
Dimensions in mm.

ELBOWS - Ansi 16.9 tolerances

DIMENSIONAL TOLERANCES - ELBOWS
For all fittings Elbows 90/45 deg 180° Returns
Nominal Pipe Size (NPS) Outside Ø
at Bevel
Inside Ø
at End
Wall Thickness
t / t1
Center to End Dim. A-B-C-M Center to Center Dim.
O
Back to Face Dim.
K
Align- ment of Ends
U
1/2 a 2 1/2 1 0,8 Not 2 7 7 1
3 a 3 1/2 1 1,6 less 2 7 7 1
4 +2 -1 1,6 than 2 7 7 1
5 a 6 +3 -1 1,6 87,50% 2 7 7 1
8 2 1,6 of nominal 2 7 7 1
10 +4 -3 3,2 tickness 2 7 7 2
12 a 18 +4 -3 3,2   3 10 7 2
20 a 24 +6 -5 4,8 3 10 7 2
26 a 30 +7 -5 4,8 3 ..... ..... .....
32 a 48 +7 -5 4,8   5 ..... ..... .....

Angularity Tolerances
ND Max off angle Max off plane
Q P
1/2 a 4 1 2
5 a 8 2 4
10 a 12 3 5
14 a 16 3 7
18 a 24 4 10
26 a 30 5 10
32 a 42 5 13
44 a 48 5 20

ELBOWS - Weights

WEIGHTS OF FITTINGS
NPS
inches
ELBOWS
LR 90°
ELBOWS
SR 90°
Sch.
5S
Sch.
10S
Sch.
40S
Sch.
80S
Sch.
5S
Sch.
10S
Sch.
40S
Sch.
80S
1/2 0.05 0.06 0.08 0.10 0.03 0.04 0.05 0.07
3/4 0.06 0.07 0.09 0.11 0.04 0.05 0.06 0.07
1 0.09 0.15 0.18 0.20 0.06 0.10 0.12 0.13
1 1/4 0.13 0.20 0.25 0.35 0.09 0.13 0.17 0.12
1 1/2 0.18 0.30 0.40 0.50 0.12 0.20 0.27 0.33
2 0.30 0.50 0.70 0.90 0.20 0.33 0.47 0.60
2 1/2 0.60 0.85 1.35 1.80 0.40 0.60 0.90 1.20
3 0.90 1.30 2.00 2.90 0.60 0.90 1.35 1.90
4 1.40 2.00 4.00 5.90 0.90 1.35 2.65 3.90
5 2.90 3.60 6.50 9.70 1.95 2.40 4.35 6.50
6 4.00 5.00 10.5 16.0 2.70 3.35 7.00 10.5
8 7.40 10.0 21.5 33.5 4.90 6.70 14.5 22.5
10 13.6 16.8 38.5 52.5 9.10 11.2 25.6 35.0
12 23.4 27.0 59.0 79.0 15.6 18.0 39.5 53.0
14 29.0 35.0 70.0 94.0 19.3 23.5 47.0 63.0
16 41.3 47.0 95.0 125 27.5 31.5 63.5 84.0
18 51.8 59.0 120 158 34.5 39.5 80.0 105
20 73.0 85.0 146 194 49.0 57.0 98.0 129
24 122 140 210 282 82.0 94.0 140 188
Approximate weights in kg, density 8 kg/dm3

 

ELBOWS - End welding bevels