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:	Outside diameter : 1/2" à 24" (21,34 - 609,5 mm) Thickness : SCH 5S, 10S, 40S (STD), 80S (XS), 160, XXS (1,65 - 59.51 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

Nominal Pipe Size	Outside diameter at bevel	Length (E)	Limit wall thickness
1/2"	21.3	25	4.57
3/4"	26.7	25	3.81
1"	33.4	38	4.57
1 1/4"	42.2	38	4.83
1 1/2"	48.3	38	5.08
2"	60.3	38	5.59
2 1/2"	73.0	38	7.11
3"	88.9	51	7.62
3 1/2"	101.6	64	8.13
4"	114.3	64	8.64
5"	141.3	76	9.65
6"	168.3	89	10.92
8"	219.1	102	12.70
10"	273.0	127	12.70
12"	323.8	152	12.70
14"	355.6	165	12.70
16"	406.4	178	12.70
18"	457.0	203	12.70
20"	508.0	229	12.70
22"	559.0	254	12.70
24"	610.0	267	12.70

The dimensions are in millimeters
Source : ASME B16.9 - 2007

CAPS - Ansi 16.9 dimensions

CAPS - ANSI B 16.9 dimension
inches	mm	Height
		D	E
1/2	15	21,34	25,40
3/4	20	26,67	31,75
	25	33,40	38,10
1 1/4	32	42,16	38,10
1 1/2	40	48,26	38,10
2	50	60,32	38,10
2 1/2	65	73,02	38,10
3	80	88,90	50,80
3 1/2	90	101,60	63,50
4	100	114,30	63,50
5	125	141,30	76,20
6	150	168,27	88,90
8	200	219,07	101,60
10	250	273,05	127,00
12	300	323,85	152,40
14	350	355,60	165,10
16	400	406,40	177,80
18	450	457,20	203,20
20	500	508,00	228,60
22	550	558,80	254,00
24	600	609,60	266,70
28	700	711,20	266,70
Dimension in mm

CAPS - Ansi 16.9 tolerances

DIMENSIONAL TOLERANCES - CAPS
For all fittings				Caps
Nominal Pipe Size (NPS)	Outside Ø at Bevel	Inside Ø at End	Wall Thickness t / t1	Overall Length E
1/2 a 2 1/2	1	0,8	Not	4
3 a 3 1/2	1	1,6	less	4
4	+2 -1	1,6	than	4
5 a 6	+3 -1	1,6	87,50%	7
8	2	1,6	of nominal	7
10	+4 -3	3,2	tickness	7
12 a 18	+4 -3	3,2		7
20 a 24	+6 -5	4,8		7
26 a 30	+7 -5	4,8		10
32 a 48	+7 -5	4,8		10

CAPS - Weights

WEIGHTS OF FITTINGS
NPS inches	CAPS
	Sch. 5S	Sch. 10S	Sch. 40S	Sch. 80S
1/2	0.04	0.04	0.05	0.05
3/4	0.05	0.05	0.06	0.08
1	0.09	0.09	0.13	0.17
1 1/4	0.11	0.11	0.15	0.18
1 1/2	0.15	0.15	0.20	0.22
2	0.17	0.17	0.25	0.30
2 1/2	0.25	0.25	0.45	0.50
3	0.40	0.40	0.70	0.90
4	0.60	0.60	1.20	1.60
5	1.00	1.00	1.90	2.70
6	1.40	1.40	2.90	4.30
8	2.50	2.50	5.10	7.60
10	3.90	3.90	9.00	12.0
12	6.50	6.50	13.5	17.5
14	8.00	8.00	16.0	20.5
16	14.5	14.5	20.5	26.0
18	17.0	17.0	26.0	34.0
20	18.0	18.0	32.0	43.0
24	26.0	26.0	46.0	60.0
Approximate weights in kg, density 8 kg/dm3

 

STUB ENDS - End welding bevels