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-Center Dimen.	Back- to- Face	Outside Dia.	Inside Dia.	Wall Thick.	Approx. Weight (lb.)
		H	J	OD	ID	T
STANDARD WEIGHT
1/2	40	3	1 7/8	0.840	0.622	0.109	0.3
3/4	40	2 1/2	1 11/16	1.050	0.824	0.113	0.3
1	40	3	2  3/16	1.315	1.049	0.133	0.7
1 1/4	40	3 3/4	2 3/4	1.660	1.380	0.140	1
1 1/2	40	4 1/2	3 1/4	1.900	1.610	0.145	1.5
2	40	6	4  3/16	2.375	2.067	0.154	3
2 1/2	40	7 1/2	5  3/16	2.875	2.469	0.203	6
3	40	9	6 1/4	3.500	3.068	0.216	9
3 1/2	40	10 1/2	7 1/4	4.000	3.548	0.226	12
4	40	12	8 1/4	4.500	4.026	0.237	17
5	40	15	10  5/16	5.563	5.047	0.258	28
6	40	18	12  5/16	6.625	6.065	0.280	46
8	40	24	16  5/16	8.625	7.981	0.322	90
10	40	30	20 3/8	10.750	10.020	0.365	156
12	-	36	24 3/8	12.750	12.000	0.375	236
14	30	42	28	14.000	13.250	0.375	294
16	30	48	32	16.000	15.250	0.375	404
18	-	54	36	18.000	17.250	0.375	512
20	20	60	40	20.000	19.250	0.375	617
24	20	72	48	24.000	23.250	0.375	886
EXTRA STRONG
1/2	80	3	1 7/8	0.840	0.546	0.147	0.5
3/4	80	2 1/2	1 11/16	1.050	0.742	0.154	0.5
1	80	3	2  3/16	1.315	0.957	0.179	1
1 1/4	80	3 3/4	2 3/4	1.660	1.278	0.191	1.5
1 1/2	80	4 1/2	3 1/4	1.900	1.500	0.200	2
2	80	6	4  3/16	2.375	1.939	0.218	4
2 1/2	80	7 1/2	5  3/16	2.875	2.323	0.276	7.5
3	80	9	6 1/4	3.500	2.900	0.300	12
3 1/2	80	10 1/2	7 1/4	4.000	3.364	0.318	17
4	80	12	8 1/4	4.500	3.826	0.337	23
5	80	15	10  5/16	5.563	4.813	0.375	40
6	80	18	12  5/16	6.625	5.761	0.432	67
8	80	24	16  5/16	8.625	7.625	0.500	138
10	60	30	20 3/8	10.750	9.750	0.500	215
12	-	36	24 3/8	12.750	11.750	0.500	300
14	-	42	28	14.000	13.000	0.500	376
16	40	48	32	16.000	15.000	0.500	524
18	-	54	36	18.000	17.000	0.500	676
20	30	60	40	20.000	19.000	0.500	824
24	-	72	48	24.000	20.000	0.500	1183

 

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 - End welding bevels