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

COLLARS for ANSI 150 flanges

COLLARS for ANSI 150 flanges
inches	ND	mm	Diameter of lap	Height	Radius of fillet
D			G	h	R
1/2	15	21,34	34,92	5	3
3/4	20	26,67	42,86	6	3
1	25	33,40	50,80	8	3
1 1/4	32	42,16	63,50	8	5
1 1/2	40	48,26	73,00	10	6
2	50	60,32	92,10	10	8
2 1/2	65	73,02	104,80	12	8
3	80	88,90	127,00	12	9
3 1/2	90	101,60	139,70	12	9
4	100	114,30	157,20	14	11
5	125	141,30	185,70	16	11
6	150	168,27	215,90	16	12
8	200	219,07	269,80	18	12
10	250	273,05	323,80	20	12
12	300	323,85	381,00	20	12
14	350	355,60	412,70	25	12
16	400	406,40	469,90	25	12
18	450	457,20	533,40	25	12
20	500	508,00	584,20	25	12
22	550	558,80	641,30	25	12
24	600	609,60	692,10	25	12
Dimension in mm.
The values of radius "R" and height "h" are indicative

COLLARS for UNI and DIN flanges

COLLARS for UNI and DIN flanges
inches	ND	mm	Diameter of lap G			Height	Radius of fillet
D			PN 2,5-6	PN 10	PN 16	h	R
1/2	15	21,34	40	45	45	5	2
3/4	20	26,67	50	58	58	8	2
1	25	33,40	60	68	68	8	3
1 1/4	32	42,16	70	78	78	8	3
1 1/2	40	48,26	80	88	88	10	3
2	50	60,32	90	102	102	10	4
2 1/2	65	73,02	110	122	122	12	4
3	80	88,90	128	138	138	12	5
4	100	114,30	148	158	158	14	5
5	125	141,30	178	188	188	14	5
5	125	141,30	178	188	188	14	5
6	150	168,27	202	212	212	16	6
8	200	219,07	258	268	268	18	6
10	250	273,05	312	320	320	20	6
12	300	323,85	365	370	378	20	6
14	350	355,60	415	430	438	25	8
16	400	406,40	465	482	490	25	8
18	450	457,20	520	532	550	25	8
20	500	508,00	570	585	610	25	8
Dimension in mm.
The values of radius "R" and height "h" are indicative

COLLARS - Ansi 16.9 tolerances

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

COLLARS - Weights

WEIGHTS OF FITTINGS
NPS inches	COLLARS
	Sch. 5S	Sch. 10S	Sch. 40S	Sch. 80S
1/2	0.01	0.02	0.03	0.04
3/4	0.03	0.03	0.04	0.06
1	0.04	0.07	0.08	0.11
1 1/4	0.05	0.08	0.11	0.15
1 1/2	0.06	0.11	0.15	0.20
2	0.08	0.14	0.20	0.28
2 1/2	0.15	0.22	0.37	0.50
3	0.19	0.27	0.50	0.70
4	0.25	0.35	0.70	1.00
5	0.50	0.65	1.25	1.80
6	0.65	0.80	1.70	2.60
8	0.95	1.30	2.80	4.30
10	1.50	1.80	4.00	5.50
12	2.00	2.40	5.00	6.60
14	2.50	2.95	5.90	7.90
16	3.60	4.00	8.10	10.8
18	4.00	4.60	9.20	12.3
20	5.10	6.00	10.2	13.7
24	8.15	9.30	14.0	18.6
Approximate weights in kg, density 8 kg/dm3

 

 

STUB ENDS - End welding bevels