Table of Contents

ASME B16.5 Flange Manufacturer in India – Class 150, 300, 600, 900, 1500, 2500

Trimac Piping Solutions is one of the largest Flanges Manufacturers, Supplier & Exporters in India. We offer our customers reliable, cost-effective, and high-quality superior Stainless Steel Flanges products according to international specification ASTM and dimensional specification ANSI/ASME B16.5 Flange. Extensive capability range, exceptional quality, and unrivalled customer service make Trimac Piping Solutions Flanges the premiere value solution for all of your flanges needs.

ASME B16.5 Flange Dimensions, Check Weight and Dimension Chart ASME B16.5 Class 150 Flange, ASME B16.5 Class 300 Flange, ASME B16.5 Class 600 Flange, ASME B16.5 Class 900 Flange, ASME B16.5 Class 1500 Flange, ASME B16.5 Class 2500 Flange

ASME B16.5 Class 150 Flanges

ASME B16.5 Class 150 Flanges
	Nominal Pipe Size	Flange Diameter	Flange Thickness		Hub Diameter		Bore			Length Through Hub							Raised Face		Drilling
			SO		SO	Bewel End Dia – WN	SO	LI	WNLJ		LI	WN	Radius -U	Thread Length THRD	Counter Board Third	Dept of socket SW	Dia	Thickness	PCD	Hole Dia	No of Hole
			SW		SW					SO
			WN	LJ	WN					SW
			BL		BL					THRD
			THRD		THRD
NPS		O	TF	TI	X	Ah	B	B	B1	Y	Y	Y	r	T	Q	D	R	Tr	W	d	n
1/2″	15	90	9.6	11.2	30	21.3	22.2	22.9	15.8	16	16	48	3	16		10	34.9	2	60.3	15.9	4
3/4″	20	100	11.2	12.7	38	26.7	27.7	28.2	20.9	16	16	53	3	16		11	42.9	2	69.9	15.9	4
1″	25	110	12.7	14.3	49	33.4	34.5	34.9	26.6	18	17	56	3	18		13	50.8	2	79.4	15.9	4
11/4″	32	115	14.3	15.9	59	42.2	43.2	43.7	35.1	21	21	58	5	21		14	63.5	2	88.9	15.9	4
11/2″	40	125	15.9	17.5	65	48.3	49.5	50	40.9	23	22	62	6	23		16	73	2	98.4	15.9	4
2″	50	150	f7.5	19.1	78	60.3	61.9	62.5	52.5	26	25	64	8	26		17	92.1	2	120.7	19	4
21/2″	65	180	20.7	22.3	90	73	74.6	75.4	62.7	29	29	70	8	29		19	104.8	2	139.7	19	4
3″	80	190	22.3	23.9	108	88.9	90.7	91.4	77.9	31	30	70	10	31		21	127	2	152.4	19	4
31/2″	90	215	22.3	23.9	122	101.6	103.4	104.1	90.1	32	32	72	10	32		22	139.7	2	177.8	19	8
4″	100	230	22.3	23.9	135	114.3	116.1	116.1	102.3	34	33	77	11	34		24	157.2	2	190.5	19	8
5″	125	255	22.3	23.9	164	141.3	143.6	144.4	128.2	37	36	89	11	37		24	185.7	2	215.9	22.2	8
6″	150	280	23.9	25.4	192	168.3	170.7	171.4	154.1	40	40	89	13	40		27	215.9	2	241.3	22.2	8
8″	200	345	27	28.6	246	219.1	221.5	222.2	202.7	45	44	102	13	45		32	269.9	2	298.5	22.2	8
10″	250	405	28.6	30.2	305	273	276.2	277.4	254.6	50	49	102	13	50		33	323.8	2	362	25.4	12
12″	300	485	30.2	31.8	365	323.8	327	328.2	304.8	56	56	115	13	56		40	381	2	431.8	25.4	12
14″	350	535	33.4	35	400	355.6	359.2	360.2	336.5	58	79	127	13	58		41	412.8	2	476.3	28.6	12
16“	400	595	35	36.6	457	406.4	410.5	411.2	387.3	64	87	127	13	64		44	469.9	2	539.8	28.6	16
18″	450	635	38.1	39.7	505	457	461.8	462.3	438.1	69	97	140	13	69		49	533.4	2	577.9	31.7	16
20“	500	700	41.3	42.9	559	508	513.1	514.4	488.9	73	103	145	13	73		54	584.2	2	635	31.7	20
24″	600	815	46.1	47.7	663	610	616	616	590.5	83	111	153	13	83		64	692.2	2	749.3	34.9	20

ASME B16.5 Class 300 Flanges

ASME B16.5 Class 300 Flanges
	Nominal Pipe Size	Flange Diameter	Flange Thickness		Hub Diameter		Bore			Length Through Hub							Raised Face		Drilling
			SO		SO	Bewel End Dia – WN	SO	LI	WNLJ		LI	WN	Radius -U	Thread Length THRD	Counter Board Third	Dept of socket SW	Dia	Thickness	PCD	Hole Dia	No of Hole
			SW		SW					SO
			WN	LJ	WN					SW
			BL		BL					THRD
			THRD		THRD
NPS		O	TF	TI	X	Ah	B	B	B1	Y	Y	Y	r	T	Q	D	R	Tr	W	d	n
1/2″	15	95	12.7	14.3	38	21.3	22.2	22.9	15.8	23	22	53	3	16	23.6	10	34.9	2	66.7	15.9	4
3/4″	20	115	14.3	15.9	48	26.7	27.7	28.2	20.9	26	25	58	3	16	29	11	42.9	2	82.6	19	4
1″	25	125	15.9	17.5	54	33.4	34.5	34.9	26.6	27	27	62	3	18	35.8	13	50.8	2	88.9	19	4
1/4″	32	135	17.5	19.1	64	42.2	43.2	43.7	35.1	27	27	66	5	21	44.4	14	63.5	2	98.4	19	4
1 1/2″	40	155	19.1	20.7	70	48.3	49.5	50	40.9	31	30	69	6	23	50.3	16	73	2	114.3	22.2	4
2″	50	165	20.7	22.3	84	60.3	61.9	62.5	52.5	34	33	70	8	29	63.5	17	92.1	2	127	19	8
21/2″	65	190	23.9	25.4	100	73	74.6	75.4	62.7	39	38	77	8	32	76.2	19	104.8	2	149.2	22.2	8
3“	80	210	27	28.6	117	88.9	90.7	91.4	77.9	43	43	80	10	32	92.2	21	127	2	168.3	22.2	8
31/2″	90	230	28.6	30.2	133	101.6	103.4	104.1	90.1	45	44	81	10	37	104.9	22	139.7	2	184.2	22.2	8
4″	100	255	30.2	31.8	146	114.3	116.1	116.8	102.3	48	48	86	11	37	117.6	24	157.2	2	200	22.2	8
5″	125	280	33.4	35	178	141.3	143.8	144.4	128.2	51	51	99	11	43	144.4	24	185.7	2	235	22.2	8
6″	150	320	35	36.6	206	168.3	170.7	171.4	154.1	53	52	99	13	47	171.4	27	215.9	2	269.9	22.2	12
8“	200	380	39.7	41.3	260	219.1	221.5	222.2	202.7	62	62	112	13	51	222.2	32	269.9	2	330.2	25.4	12
10″	250	445	46.1	47.7	321	273	276.2	277.4	254.6	67	95	118	13	56	276.2	33	323.8	2	387.4	28.6	16
12″	300	520	49.3	50.8	375	323.8	327	328.2	304.8	73	102	131	13	61	328.6	40	381	2	450.8	31.7	16
14″	350	585	52.4	54	425	355.6	359.2	360.2	336.5	77	111	143	13	64	360.4	41	412.8	2	514.4	31.7	20
16″	400	650	55.6	57.2	483	406.4	410.5	411.2	387.3	83	121	146	13	69	411.2	44	469.9	2	571.5	34.9	20
18″	450	710	58.8	60.4	533	457	461.8	462.3	438.1	89	130	159	13	70	462	49	533.4	2	628.6	34.9	24
20“	500	775	62	63.5	587	508	513.1	514.4	488.9	96	140	162	13	74	512.8	54	584.2	2	685.8	34.9	24
24”	600	915	68.3	69.9	702	610	616	616	590.5	107	152	169	13	83	614.4	64	692.2	2	812.8	41.3	24

ASME B16.5 Class 600 Flanges

ASME B16.5 Class 600 Flange
	Nominal Pipe Size	Flange Diameter	Flange Thickness		Hub Diameter		Bore			Length Through Hub							Raised Face		Drilling
			SO		SO	Bewel End Dia – WN	SO	LI	WNLJ		LI	WN	Radius -U	Thread Length THRD	Counter Board Third	Dept of socket SW	Dia	Thickness	PCD	Hole Dia	No of Hole
			SW		SW					SO
			WN	LJ	WN					SW
			BL		BL					THRD
			THRD		THRD
NPS		O	TF	TI	X	Ah	B	B	B1	Y	Y	Y	r	T	Q	D	R	Tr	W	d	n
1/2″	15	95	14.3	14.3	38	21.3	22.2	22.9	15.8	29	22	59	3	16	23.6	10	34.9	7	66.7	15.9	4
3/4″	20	115	15.9	15.9	48	26.7	27.7	28.2	20.9	32	25	64	3	16	29	11	42.9	7	82.6	19	4
1″	25	125	17.5	17.5	54	33.4	34.5	34.9	26.6	34	27	69	3	18	35.8	13	50.8	7	88.9	19	4
1/4″	32	135	20.7	20.7	64	42.2	43.2	43.7	35.1	36	29	74	5	21	44.4	14	63.5	7	98.4	19	4
1 1/2″	40	155	22.3	22.3	70	48.3	49.5	50	40.9	39	32	77	6	23	50.6	16	73	7	114.3	22.2	4
2″	50	165	25.4	25.4	84	60.3	61.9	62.5	52.5	44	37	80	8	29	63.5	17	92.1	7	127	19	8
21/2″	65	190	28.6	28.6	100	73	74.6	75.4	62.7	48	41	86	8	32	76.2	19	104.8	7	149.2	22.2	8
3“	80	210	31.8	31.8	117	88.9	90.7	91.4	77.9	53	46	90	10	35	92.2	21	127	7	168.3	22.2	8
31/2″	90	230	35	35	133	101.6	103.4	104.1	90.1	56	49	93	11	40	104.9	22	139.7	7	184.2	25.4	8
4″	100	275	38.1	38.1	152	114.3	116.1	116.8	102.3	61	54	109	11	42	117.6	24	157.2	7	215.9	25.4	8
5″	125	330	44.5	44.5	189	141.3	143.8	144.4	128.2	67	60	121	1	48	144.4	24	185.7	7	266.7	28.6	8
6″	150	355	47.7	47.7	222	168.3	170.7	171.4	154.1	74	67	124	13	51	171.4	27	215.9	7	292.1	28.6	12
8“	200	420	55.6	55.6	273	219.1	221.5	222.2	202.7	83	76	140	13	58	222.2	32	269.9	7	349.2	31.7	12
10″	250	510	63.5	63.5	343	273	276.2	277.4	254.6	93	111	159	13	66	276.2	33	323.8	7	431.8	34.9	16
12″	300	560	66.7	66.7	400	323.8	327	328.2	304.8	99	117	163	13	70	328.6	40	381	7	489	34.9	20
14″	350	605	69.9	69.9	432	355.6	359.2	360.2	336.5	101	127	172	13	74	360.4	41	412.8	7	527	38.1	20
16″	400	685	76.2	76.2	495	406.4	410.5	411.2	387.3	113	140	185	13	78	411.2	44	469.9	7	603.2	41.3	20
18″	450	745	82.6	82.6	546	457	461.8	462.3	438.1	124	152	191	13	80	462	49	533.4	7	654	44.4	20
20“	500	815	88.9	88.9	610	508	513.1	514.4	488.9	134	165	197	13	83	512.8	54	584.2	7	723.9	44.4	24
24”	600	940	101.6	101.6	718	610	616	616	590.5	147	184	210	13	93	614.4	64	692.2	7	838.2	50.8	24

ASME B16.5 Class 900 Flanges

ASME B16.5 Class 900 Flanges
	Nominal Pipe Size	Flange Diameter	Flange Thickness		Hub Diameter		Bore			Length Through Hub							Raised Face		Drilling
			SO		SO	Bewel End Dia – WN	SO	LI	WNLJ		LI	WN	Radius -U	Thread Length THRD	Counter Board Third	Dept of socket SW	Dia	Thickness	PCD	Hole Dia	No of Hole
			SW		SW					SO
			WN	LJ	WN					SW
			BL		BL					THRD
			THRD		THRD
NPS		O	TF	TI	X	Ah	B	B	B1	Y	Y	Y	r	T	Q	D	R	Tr	W	d	n
1/2″	15	120	22.3	22.3	38	21.3	22.2	22.9	15.8	39	32	67	3	23	23.6	10	34.9	7	82.6	22.2	4
3/4″	20	130	25.4	25.4	44	26.7	27.7	28.2	20.9	42	35	77	3	26	29	11	42.9	7	88.9	22.2	4
1″	25	150	28.6	28.6	52	33.4	34.5	34.9	26.6	48	41	80	3	29	35.8	13	50.8	7	101.6	25.4	4
1 1/4″	32	160	28.6	28.6	64	42.2	43.2	43.7	35.1	48	41	80	5	31	44.4	14	63.5	7	111.1	25.4	4
1 1/2″	40	180	31.8	31.8	70	48.3	49.5	50	40.9	51	44	90	6	32	50.6	16	73	7	123.8	28.6	4
2″	50	215	38.1	38.1	105	60.3	61.9	62.5	52.5	65	57	109	8	39	63.5	17	92.1	7	165.1	25.4	8
21/2″	65	245	41.3	41.3	124	73	74.6	75.4	62.7	71	64	112	8	48	73	19	104.8	7	190.5	28.6	8
3“	80	240	38.1	38.1	127	88.9	90.7	91.4	77.9	61	54	109	10	42	92.1	21	127	7	190.5	25.4	8
4″	100	290	44.5	44.5	159	114.3	116.1	116.8	102.3	77	70	121	11	48	117.6	24	157.2	7	235	31.7	8
5″	125	350	50.8	50.8	190	141.3	143.8	144.4	128.2	86	79	134	11	54	144.4	24	185.7	7	279.4	34.9	8
6″	150	380	55.6	55.6	235	168.3	170.7	171.4	154.1	93	86	147	13	58	171.4	27	215.9	7	317.5	31.7	12
8“	200	470	63.5	63.5	298	219.1	221.5	222.2	202.7	109	114	169	13	64	222.2	32	269.9	7	393.7	38.1	12
10″	250	545	69.9	69.9	368	273	276.2	277.4	254.6	115	127	191	13	72	276.2	33	323.8	7	469.9	38.1	16
12″	300	610	79.4	79.4	419	323.8	327	328.2	304.8	124	143	207	13	77	328.6	40	381	7	533.4	38.1	20
14″	350	640	85.8	85.8	451	355.6	359.2	360.2	336.5	137	156	220	13	83	360	41	412.8	7	558.8	41.3	20
16″	400	705	88.9	88.9	508	406.4	410.5	411.2	387.3	140	165	223	13	86	411.2	44	469.9	7	616	44.4	20
18″	450	785	101.6	101.6	565	457	461.8	462.3	438.1	159	190	236	13	89	462	49	533.4	7	685.8	50.8	20
20“	500	855	108	108	622	508	513.1	514.4	488.9	166	210	255	13	93	512.8	54	584.2	7	749..3	54	20
24”	600	1040	139.7	139.7	749	610	616	616	590.5	210	267	299	13	102	614.4	64	692.2	7	901.7	66.7	20

ASME B16.5 Class 1500 Flanges

ASME B16.5 Class 1500 Flanges
	Nominal Pipe Size	Flange Diameter	Flange Thickness		Hub Diameter		Bore			Length Through Hub							Raised Face		Drilling
			SO		SO	Bewel End Dia – WN	SO	LI	WNLJ		LI	WN	Radius -U	Thread Length THRD	Counter Board Third	Dept of socket SW	Dia	Thickness	PCD	Hole Dia	No of Hole
			SW		SW					SO
			WN	LJ	WN					SW
			BL		BL					THRD
			THRD		THRD
NPS		O	TF	TI	X	Ah	B	B	B1	Y	Y	Y	r	T	Q	D	R	Tr	W	d	n
1/2″	15	120	22.3	22.3	38	21.3	22.2	22.9	15.8	39	32	67	3	23	23.6	10	34.9	7	82.6	22.2	4
3/4″	20	130	25.4	25.4	44	26.7	27.7	28.2	20.9	42	35	77	3	26	29	11	42.9	7	88.9	22.2	4
1″	25	150	28.6	28.6	52	33.4	34.5	34.9	26.6	48	41	80	3	29	35.8	13	50.8	7	101.6	25.4	4
1 1/4″	32	160	28.6	28.6	64	42.2	43.2	43.7	35.1	48	41	80	5	31	44.4	14	63.5	7	111.1	25.4	4
1 1/2″	40	180	31.8	31.8	70	48.3	49.5	50	40.9	51	44	90	6	32	50.6	16	73	7	123.8	28.6	4
2″	50	215	38.1	38.1	105	60.3	61.9	62.5	52.5	65	57	109	8	39	63.5	17	92.1	7	165.1	25.4	8
21/2″	65	245	41.3	41.3	124	73	74.6	75.4	62.7	71	64	112	8	48	76.2	19	104.8	7	190.5	28.6	8
3“	80	265	47.7	47.7	133	88.9	90.7	91.4	77.9	80	73	124	10	—	—	21	127	7	203.2	31.7	8
4″	100	310	54	54	162	114.3	116.1	116.8	102.3	97	90	131	11	—	—	24	157.2	7	241.3	34.9	8
5″	125	375	73.1	73.1	197	141.3	143.8	144.4	128.2	112	105	163	11	—	—	24	185.7	7	292.1	41.3	8
6″	150	395	82.6	82.6	229	168.3	170.7	171.4	154.1	126	119	178	13	—	—	27	215.9	7	317.5	38.1	12
8“	200	485	92.1	92.1	292	219.1	221.5	222.2	202.7	150	143	220	13	—	—	32	269.9	7	393.7	44.4	12
10″	250	585	108	108	368	273	276.2	277.4	254.6	185	178	261	13	—	—	33	323.8	7	482.6	50.8	12
12″	300	675	123.9	123.9	451	323.8	327	328.2	304.8	226	219	290	13	—	—	40	381	7	571.5	54	16
14″	350	750	133.4	133.4	495	355.6	359.2	360.2	336.5	248	241	305	13	—	—	41	412.8	7	635	60.3	16
16″	400	825	146.1	146.1	552	406.4	410.5	411.2	387.3	267	260	318	13	—	—	44	469.9	7	704.8	66.7	16
18″	450	915	162	162	597	457	461.8	462.3	438.1	283	276	334	13	—	—	49	533.4	7	774.7	73	16
20“	500	985	177.8	177.8	641	508	513.1	514.4	488.9	299	292	363	13	—	—	54	584.2	7	831.8	79.4	16
24”	600	1170	203.2	203.2	762	610	616	616	590.5	337	330	413	13	—	—	64	692.2	7	990.6	92.1	16

ASME B16.5 Class 2500 Flanges

ASME B16.5 Class 2500 Flanges
	Nominal Pipe Size	Flange Diameter	Flange Thickness		Hub Diameter		Bore			Length Through Hub							Raised Face		Drilling
			SO		SO	Bewel End Dia – WN	SO	LI	WNLJ		LI	WN	Radius -U	Thread Length THRD	Counter Board Third	Dept of socket SW	Dia	Thickness	PCD	Hole Dia	No of Hole
			SW		SW					SO
			WN	LJ	WN					SW
			BL		BL					THRD
			THRD		THRD
NPS		O	TF	TI	X	Ah	B	B	B1	Y	Y	Y	r	T	Q	D	R	Tr	W	d	n
1/2″	15	135	30.2	30.2	43	21.3	22.2	22.9	15.8	47	40	80	3	29	23.6	10	34.9	7	88.9	22.2	4
3/4″	20	140	31.8	31.8	51	26.7	27.7	28.2	20.9	50	43	86	3	32	29	11	42.9	7	95.2	22.2	4
1″	25	160	35	35	57	33.4	34.5	34.9	26.6	55	48	96	3	35	35.8	13	50.8	7	108	25.4	4
1 1/4″	32	185	38.1	38.1	73	42.2	43.2	43.7	35.1	59	52	102	5	39	44.4	14	63.5	7	130.2	28.6	4
1 1/2″	40	205	44.5	44.5	79	48.3	49.5	50	40.9	67	60	118	6	45	50.6	16	73	7	146	31.7	4
2″	50	235	50.9	50.9	95	60.3	61.9	62.5	52.5	77	70	134	8	51	63.5	17	92.1	7	171.4	28.6	8
21/2″	65	265	57.2	57.2	114	73	74.6	75.4	62.7	86	79	150	8	58	76.2	19	104.8	7	196.8	31.7	8
3“	80	305	66.7	66.7	133	88.9	90.7	91.4	77.9	99	92	175	10	—	—	21	127	7	228.6	34.9	8
4″	100	355	76.2	76.2	165	114.3	116.1	116.8	102.3	115	108	197	11	—	—	24	157.2	7	273	41.3	8
5″	125	420	92.1	92.1	203	141.3	143.8	144.4	128.2	137	130	236	11	—	—	24	185.7	7	323.8	47.6	8
6″	150	485	108	108	235	168.3	170.7	171.4	154.1	159	152	280	13	—	—	27	215.9	7	368.3	54	12
8“	200	550	127	127	305	219.1	221.5	222.2	202.7	185	178	325	13	—	—	32	269.9	7	438.2	54	12
10″	250	675	165.1	165.1	375	273	276.2	277.4	254.6	236	229	426	13	—	—	33	323.8	7	539.8	66.7	12
12″	300	760	184.2	184.2	441	323.8	327	328.2	304.8	261	254	471	13	—	—	40	381	7	619.1	73	12

Mumbai	Lucknow
Pune	Ahmedabad
Coimbatore	Gujarat
Hyderabad	New Delhi
Nashik	Chennai
Bengaluru	Visakhapatnam
Kochi	Jaipur
Surat	Salem
Bhiwandi	Tiruppur
Gandhinagar	Jamnagar
Bhubaneshwar	Vijaywada
Rajkot	Panipat
Raipur	Panna
Sivakasi	Thiruvananthapuram
Rajahmundry	Firozabad
Bokaro Steel City	Bharuch
Cochin	Ludhiana
Durgapur	Peenya

Khaimah	Saudi Arabia
Sharjah	Singapore
South Africa	Sri Lanka
Turkey	UAE
UK	Quawain
USA	Venezuela
Vietnam	Kuwait
Iraq	Bahrain
Egypt	Algeria
Qatar	Dubai
Oman	Netherlands
Iran	Mexico
Canada	Brazil
Poland	South Korea
Germany	Australia
Bangladesh	Malaysia

Mumbai	Lucknow
Pune	Ahmedabad
Coimbatore	Gujarat
Hyderabad	New Delhi
Nashik	Chennai
Bengaluru	Visakhapatnam
Kochi	Jaipur
Surat	Salem
Bhiwandi	Tiruppur
Gandhinagar	Jamnagar
Bhubaneswar	Vijaywada
Rajkot	Panipat
Raipur	Panna
Sivakasi	Thiruvananthapuram
Rajahmundry	Firozabad
Bokaro Steel City	Bharuch
Cochin	Ludhiana
Durgapur	Peenya

Khaimah	Saudi Arabia
Sharjah	Singapore
South Africa	Sri Lanka
Turkey	UAE
UK	Quawain
USA	Venezuela
Vietnam	Kuwait
Iraq	Bahrain
Egypt	Algeria
Qatar	Dubai
Oman	Netherlands
Iran	Mexico
Canada	Brazil
Germany	Australia
Malaysia	Europe
Italy	Johannesburg