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

ASME B16.9

FACTORY-MADE WROUGHT BUTTWELDING FITTINGS

DIMENSIONS OF  LAP JOINT STUB ENDS

Nominal   Pipe  Size  (NPS)	Outside Diameter at Bevel		Long Pattern	Short Pattern	Radius of Fillet	Diameter of Lap
	Max	Min	F	F	R	G
1/2	22.8	20.5	76	51	3	35
3/4	28.1	25.9	76	51	3	43
1	35.0	32.6	102	51	3	51
1-1/4	43.6	41.4	102	51	5	64
1-1/2	49.9	47.5	102	51	6	73
2	62.4	59.5	152	64	8	92
2-1/2	75.3	72.2	152	64	8	105
3	91.3	88.1	152	64	10	127
3-1/2	104.0	100.8	152	76	10	140
4	116.7	113.5	152	76	11	157
5	144.3	140.5	203	76	11	186
6	171.3	167.5	203	89	13	216
8	222.1	218.3	203	102	13	270
10	277.2	272.3	254	127	13	324
12	328.0	323.1	254	152	13	381
14	359.5	354.8	305	152	13	413
16	411.0	405.6	305	152	13	470
18	462	456	305	152	13	533
20	514	507	305	152	13	584
22	565	558	305	152	13	641
24	616	609	305	152	13	692

 

GENERAL NOTES: All Dimensions are in Millimeters.

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

 

STUD END - End welding bevels