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:	1/2” TO 36” (SEAMLESS UPTO 24”) (WELDED 8” TO 36” )
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

STUB ENDS - Weights

Product	Nom. Pipe Size	Dia (G)	Length (F), Short	Outside Dia (O.D.)	Radius (A), A	Schedule 160, Approx. Weight	Sch 160, Inside Dia (I.D.)	Sch 160, Lap Thickness (t)	Schedule 160, Wall Thickness (T)	XX Strong Wall Approx. Weight	XX Strong Wall, Inside Dia (I.D.)	XX Strong Wall, Lap Thk (t)	XX Strong Wall, Wall Thickness (T)
1 1/2" Lap- Joint Stub End / Stub Ends Long Type "A	1.5	2.875	2	1.9	0.25	2.08	1.338	0.281	0.281	2.98	1.1	0.4	0.4
1 1/2" Lap- Joint Stub End / Stub Ends Long Type "A"	1.5	2.875	4	1.9	1.2	1.61	0.15	0.15	1.49	1.5	0.2	0.2
1 1/4" Lap- Joint Stub End / Stub Ends Long Type "A	1.25	2.5	2	1.66	0.1875	1.64	1.16	0.25	0.25	2.52	0.896	0.382	0.382
1 1/4" Lap- Joint Stub End / Stub Ends Long Type "A"	1.25	2.5	4	1.66	0.97	1.38	0.14	0.14	1.26	1.278	0.191	0.191
1" Lap- Joint Stub End / Stub Ends Long Type "A	1	2	2	1.315	0.125	1.22	0.815	0.25	0.25	1.76	0.599	0.358	0.358
1" Lap- Joint Stub End / Stub Ends Long Type "A"	1	2	4	1.315	0.68	1.049	0.133	0.133	0.88	0.957	0.179	0.179
1/2" Lap- Joint Stub End / Stub Ends Long Type "A	0.5	1.375	2	0.84	0.125	0.43	0.464	0.187	0.188	0.68	0.252	0.294	0.294
1/2" Lap- Joint Stub End / Stub Ends Long Type "A"	0.5	1.375	3	0.84	0.26	0.622	0.109	0.109	0.34	0.546	0.147	0.147
10" Lap- Joint Stub End / Stub Ends Long Type "A	10	12.75	5	10.75	0.5	121.5	8.5	1.125	1.125	-	-	-	-
10" Lap- Joint Stub End / Stub Ends Long Type "A"	10	12.75	10	10.75	39.5	10.02	0.365	0.365	54	9.75	0.5	0.5
12" Lap- Joint Stub End / Stub Ends Long Type "A	12	15	6	12.75	0.5	169	10.126	1.312	1.312	-	-	-	-
12" Lap- Joint Stub End / Stub Ends Long Type "A"	12	15	10	12.75	48.5	12	0.375	0.375	64.5	11.75	0.5	0.5
14" Lap- Joint Stub End / Stub Ends Long Type "A"	14	16.25	12	14	63	13.25	0.375	0.375	84	13	0.5	0.5
16" Lap- Joint Stub End / Stub Ends Long Type "A"	16	18.5	12	16	73.5	15.25	0.375	0.375	98	15	0.5	0.5
18" Lap- Joint Stub End / Stub Ends Long Type "A"	18	21	12	18	99	17.25	0.375	0.375	136	17	0.5	0.5
2 1/2" Lap- Joint Stub End / Stub Ends Long Type "A	2.5	4.125	2.5	2.875	0.3125	5.94	2.125	0.375	0.375	8.8	1.771	0.552	0.552
2 1/2" Lap- Joint Stub End / Stub Ends Long Type "A"	2.5	4.125	6	2.875	3.4	2.469	0.203	0.203	4.4	2.323	0.276	0.276
2" Lap- Joint Stub End / Stub Ends Long Type "A	2	3.625	2.5	2.375	0.3125	4.79	1.689	0.343	0.343	6.1	1.503	0.436	0.436
2" Lap- Joint Stub End / Stub Ends Long Type "A"	2	3.625	6	2.375	2.25	2.067	0.154	0.154	3.05	1.939	0.218	0.218
20" Lap- Joint Stub End / Stub Ends Long Type "A"	20	23	12	20	108	19.25	0.375	0.375	157	19	0.5	0.5
3 1/2" Lap- Joint Stub End / Stub Ends Long Type "A	3.5	5.5	3	4	0.375	-	-	-	-	15.5	2.728	0.636	0.636
3 1/2" Lap- Joint Stub End / Stub Ends Long Type "A"	3.5	5.5	6	4	5.89	3.548	0.226	0.226	7.75	3.364	0.318	0.318
3" Lap- Joint Stub End / Stub Ends Long Type "A	3	5	2.5	3.5	0.375	7.1	2.624	0.438	0.438	9.8	2.3	0.6	0.6
3" Lap- Joint Stub End / Stub Ends Long Type "A"	3	5	6	3.5	4.65	3.068	0.216	0.216	6.5	2.9	0.3	0.3
3/4" Lap- Joint Stub End / Stub Ends Long Type "A	0.75	1.688	2	1.05	0.125	0.66	0.612	0.218	0.219	0.94	0.434	0.308	0.308
3/4" Lap- Joint Stub End / Stub Ends Long Type "A"	0.75	1.688	3	1.05	0.36	0.824	0.113	0.113	0.47	0.742	0.154	0.154
4" Lap- Joint Stub End / Stub Ends Long Type "A	4	6.188	3	4.5	0.4375	15.15	3.438	0.531	0.531	19.3	3.152	0.674	0.674
4" Lap- Joint Stub End / Stub Ends Long Type "A"	4	6.188	6	4.5	6.83	4.026	0.237	0.237	9.65	3.826	0.337	0.337
5" Lap- Joint Stub End / Stub Ends Long Type "A	5	7.313	3	5.563	0.4375	27.1	4.313	0.625	0.625	32.66	4.063	0.75	0.75
5" Lap- Joint Stub End / Stub Ends Long Type "A"	5	7.313	8	5.563	11.88	5.047	0.258	0.258	16.33	4.813	0.375	0.375
6" Lap- Joint Stub End / Stub Ends Long Type "A	6	8.5	3.5	6.625	0.5	37.56	5.187	0.718	0.719	45.26	4.897	0.864	0.864
6" Lap- Joint Stub End / Stub Ends Long Type "A"	6	8.5	8	6.625	15.18	6.065	0.28	0.28	22.63	5.761	0.432	0.432
8" Lap- Joint Stub End / Stub Ends Long Type "A	8	10.625	4	8.625	0.5	61.75	6.813	0.906	0.906	59.71	6.875	0.875	0.875
8" Lap- Joint Stub End / Stub Ends Long Type "A"	8	10.625	8	8.625	23.81	7.981	0.322	0.322	34.12	7.625	0.5	0.5

 

STUB ENDS - Ansi and MSS SP-43 dimensions

STUB ENDS - ANSI B 16.9 and MSS SP-43 dimension
inches	ND	mm	Diameter of lap	Radius of fillet		Length F
D			G	R	R1	MSS SP43	ANSI B16.9
1/2	15	21,34	34,92	3,17	0,80	50,80	76,20
3/4	20	26,67	42,86	3,17	0,80	50,80	76,20
1	25	33,40	50,80	3,17	0,80	50,80	101,60
1 1/4	32	42,16	63,50	4,76	0,80	50,80	101,60
1 1/2	40	48,26	73,00	6,35	0,80	50,80	101,60
2	50	60,32	92,10	7,93	0,80	63,50	152,40
2 1/2	65	73,02	104,80	7,93	0,80	63,50	152,40
3	80	88,90	127,00	9,52	0,80	63,50	152,40
3 1/2	90	101,60	139,70	9,52	0,80	76,20	152,40
4	100	114,30	157,20	11,11	0,80	76,20	152,40
5	125	141,30	185,70	11,11	1,58	76,20	203,20
6	150	168,27	215,90	12,70	1,58	88,90	203,20
8	200	219,07	269,80	12,70	1,58	101,60	203,20
10	250	273,05	323,80	12,70	1,58	127,00	254,00
12	300	323,85	381,00	12,70	1,58	152,40	254,00
14	350	355,60	412,70	12,70	1,58	152,40	304,80
16	400	406,40	469,90	12,70	1,58	152,40	304,80
18	450	457,20	533,40	12,70	1,58	152,40	304,80
20	500	508,00	584,20	12,70	1,58	152,40	304,80
22	550	558,80	641,30	12,70	1,58	152,40	304,80
24	600	609,60	692,10	12,70	1,58	152,40	304,80
The lap thickness T shall not be less than nominal pipe wall thickness t

STUB ENDS - Ansi 16.9 tolerances

DIMENSIONAL TOLERANCES - STUB ENDS
For all fittings				Stub Ends
Nominal Pipe Size (NPS)	Outside Ø at Bevel	Indide Ø at End	Wall Thickness t / t1	O.D. of Lap G	Fillet Radius of Lap - R	Overall Length. - F
1/2 a 2 1/2	1	0,8	Not	+0 -1	+0 -1	2
3 a 3 1/2	1	1,6	less	+0 -1	+0 -1	2
4	+2 -1	1,6	than	+0 -1	+0 -2	2
5 a 6	+3 -1	1,6	87,50%	+0 -1	+0 -2	2
8	2	1,6	of nominal	+0 -1	+0 -2	2
10	+4 -3	3,2	tickness	+0 -2	+0 -2	2
12 to 18	+4 -3	3,2		+0 -2	+0 -2	3
20 a 24	+6 -5	4,8		+0 -2	+0 -2	3
26 a 30	+7 -5	4,8
32 a 48	+7 -5	4,8

STUB ENDS - Weights

NPS inches	STUB ENDS
	Sch. 5S	Sch. 10S	Sch. 40S	Sch. 80S
1/2	0.06	0.08	0.12	0.13
3/4	0.07	0.09	0.15	0.17
1	0.09	0.15	0.20	0.25
1 1/4	0.13	0.20	0.30	0.35
1 1/2	0.16	0.25	0.38	0.46
2	0.25	0.40	0.55	0.75
2 1/2	0.35	0.50	0.80	1.00
3	0.50	0.60	1.10	1.50
4	0.70	1.00	1.80	2.50
5	1.00	1.25	2.50	3.50
6	1.60	1.95	3.70	5.50
8	2.50	3.10	5.90	10.0
10	4.00	4.90	10.5	14.0
12	6.60	7.10	15.0	20.0
14	6.40	7.80	15.5	20.5
16	7.90	9.00	18.0	24.0
18	9.30	10.5	21.0	28.0
20	12.0	13.5	23.5	31.0
24	16.5	19.0	28.5	38.0
Approximate weights in kg, density 8 kg/dm3