Flanges

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

Nom. Pipe Size	Pipe Sched. or No.	Center- to-end Dimen.	Outside Dia.	Inside Dia.	Wall Thick.	Approx. Weight (lb.)
		F	OD	ID	T
STANDARD WEIGHT
1/2	40	5/8	0.840	0.622	0.109	0.1
3/4	40	7/16	1.050	0.824	0.113	0.1
1	40	7/8	1.315	1.049	0.133	0.2
1 1/4	40	1	1.660	1.380	0.140	0.4
1 1/2	40	1 1/8	1.900	1.610	0.145	0.5
2	40	1 3/8	2.375	2.067	0.154	0.9
2 1/2	40	1 3/4	2.875	2.469	0.203	1.5
3	40	2	3.500	3.068	0.216	2.5
3 1/2	40	2 1/4	4.000	3.548	0.226	3.5
4	40	2 1/2	4.500	4.026	0.237	4.8
5	40	3 1/8	5.563	5.047	0.258	7.8
6	40	3 3/4	6.625	6.065	0.280	12
8	40	5	8.625	7.981	0.322	23
10	40	6 1/4	10.750	10.020	0.365	42
12	-	7 1/2	12.750	12.000	0.375	61
14	30	8 3/4	14.000	13.250	0.375	79
16	30	10	16.000	15.250	0.375	103
18	-	11 1/4	18.000	17.250	0.375	132
20	20	12 1/2	20.000	19.250	0.375	160
22	20	13 1/2	22.000	21.250	0.375	195
24	20	15	24.000	23.250	0.375	238
EXTRA STRONG
Nom. Pipe Size	Pipe Sched. or No.	Center- to-end Dimen.	Outside Dia.	Inside Dia.	Wall Thick.	Approx. Weight (lb.)
		F	OD	ID	T
1/2	80	5/8	0.840	0.546	0.147	0.2
3/4	80	7/16	1.050	0.742	0.154	0.3
1	80	7/8	1.315	0.957	0.179	0.4
1 1/4	80	1	1.660	1.278	0.191	0.5
1 1/2	80	1 1/8	1.900	1.500	0.200	0.6
2	80	1 3/8	2.375	1.939	0.218	1.1
2 1/2	80	1 3/4	2.875	2.323	0.276	2.1
3	80	2	3.500	2.900	0.300	3.5
3 1/2	80	2 1/4	4.000	3.364	0.318	4.8
4	80	2 1/2	4.500	3.826	0.337	6.5
5	80	3 1/8	5.563	4.813	0.375	11
6	80	3 3/4	6.625	5.761	0.432	18
8	80	5	8.625	7.625	0.500	35
10	60	6 1/4	10.750	9.750	0.500	56
12	-	7 1/2	12.750	11.750	0.500	80
14	-	8 3/4	14.000	13.000	0.500	100
16	40	10	16.000	15.000	0.500	131
18	-	11 1/4	18.000	17.000	0.500	172
20	30	12 1/2	20.000	19.000	0.500	210
22	30	13 1/2	22.000	21.000	0.500	259
24	-	15	24.000	23.000	0.500	302

 

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