Products

Flanges

Technical Specifications

Nominal Pipe Size (NPS)	Outside Dia of Flange 'O'	Thickness of Flange 'C'	Dia of Hub 'X'	Length Through Hub 'Y'			Thread length T	Bore 'B'
Nominal Pipe Size (NPS)	Outside Dia of Flange 'O'	Thickness of Flange 'C'	Dia of Hub 'X'	Threaded Slip on Socket Welding	Lapped	Weld Neck	Thread length T	Slip on Socket Welding	Lapped	Weld Neck Socket Welding	Depth of Socket
1/2''	88.9	11.2	30.226	15.748	15.748	47.752	15.748	22.352	22.86	15.748	9.652
3/4''	98.6	12.7	38.1	15.748	15.748	52.324	15.748	27.686	28.194	20.828	11.176
1''	108.0	14.2	49.276	17.526	17.526	55.626	17.526	34.544	35.052	26.67	12.7
1 ¼''	117.3	15.7	58.674	20.574	20.574	57.15	20.574	43.18	43.688	35.052	14.224
1 ½''	127.0	17.5	65.024	22.352	22.352	61.976	22.352	49.53	50.038	40.894	15.748
2''	152.4	19.1	77.724	25.4	25.4	63.5	25.4	61.976	62.484	52.578	17.526
2 ½''	177.8	22.4	90.424	28.448	28.448	69.85	28.448	74.676	75.438	62.738	19.05
3''	190.5	23.9	107.95	30.226	30.226	69.85	30.226	90.678	91.44	77.978	20.574
3 ½''	215.9	23.9	122.174	31.75	31.75	71.374	31.75	103.378	104.14	90.17	--
4''	228.6	23.9	134.874	33.274	33.274	76.2	33.724	116.84	116.84	102.362	--
5''	254.0	23.9	163.576	36.576	36.576	88.9	36.576	143.764	144.526	128.27	--
6''	279.4	25.4	192.24	39.624	39.624	88.9	39.624	170.688	171.45	154.178	--
8''	342.9	28.4	246.126	44.45	44.45	101.6	44.45	221.488	222.25	202.692	--
10''	406.4	30.2	304.8	49.276	49.276	101.6	49.276	276.352	277.368	254.508	--
12''	482.6	31.8	365.252	55.626	55.626	114.3	55.626	327.152	328.168	304.8	--
14''	533.4	35.1	400.05	57.15	79.248	127	57.15	359.156	360.172		--
16''	596.9	36.6	457.2	63.5	87.376	127	63.5	410.464	411.226	To be specified by purchaser	--
18''	635.0	40.1	504.952	68.326	96.774	139.7	68.326	461.772	462.28		--
20''	698.5	42.9	558.8	73.152	103.124	144.526	73.152	513.08	514.35		--
24''	812.8	47.8	663.448	82.55	111.252	152.4	82.55	615.95	615.95		--

Class 300 Flanges

Technical Specifications

Nominal Pipe Size (NPS)	Outside Dia of Flange 'O'	Thickness of Flange 'C'	Dia of Hub 'X'	Length Through Hub 'Y'			Thread length 'T'	Bore 'B'			Counter bore Threaded Flange 'C'	Depth of Socket
Nominal Pipe Size (NPS)	Outside Dia of Flange 'O'	Thickness of Flange 'C'	Dia of Hub 'X'	Threaded Slip on Socket Welding	Lapped	Weld Neck	Thread length 'T'	Slip on socket Welding	Lapped	Weld Neck Socket Welding	Counter bore Threaded Flange 'C'	Depth of Socket
1/2''	95.3	14.2	38.1	22.352	22.352	52.324	15.748	22.352	22.86	15.748	23.622	9.652
3/4''	117.3	15.7	47.752	25.4	25.4	57.15	15.748	27.686	28.194	20.828	28.956	11.176
1''	124.0	17.5	53.848	26.924	26.924	61.976	17.526	34.544	35.052	26.67	35.814	12.7
1 ¼''	133.4	19.1	63.5	26.924	26.924	65.024	20.574	43.18	43.688	35.052	44.45	14.224
1 ½''	155.4	20.6	69.85	30.226	30.226	68.326	22.352	49.53	50.038	40.894	50.292	15.748
2''	165.1	22.4	84.074	33.274	33.274	69.85	28.448	61.976	62.484	52.578	63.5	17.526
2 ½''	190.5	25.4	100.076	38.1	38.1	76.2	31.75	74.676	75.438	62.738	76.2	19.05
3''	209.6	28.4	117.348	42.926	42.926	79.248	31.75	90.678	91.44	77.978	92.202	20.574
3 ½''	228.6	30.2	133.35	44.45	44.45	81.026	36.576	103.378	104.14	90.17	104.902	--
4''	254.0	31.8	146.05	47.752	47.752	85.852	36.576	116.078	116.84	102.362	117.602	--
5''	279.4	35.1	177.8	50.8	50.8	98.552	42.926	143.764	144.526	128.27	144.526	--
6''	317.5	36.6	206.248	52.324	52.324	98.552	45.974	170.688	171.45	154.178	171.45	--
8''	381.0	41.1	260.35	61.976	61.976	111.252	50.8	221.488	222.25	202.692	222.25	--
10''	444.5	47.8	320.548	66.548	95.25	117.348	55.626	276.352	277.368	254.508	276.352	--
12''	520.7	50.8	374.65	73.152	101.6	130.048	60.452	327.152	328.168	304.8	328.676	--
14''	584.2	53.8	425.45	76.2	111.252	142.748	63.5	359.156	360.172	To be specified by purchaser	360.426	--
16''	647.7	57.2	482.6	82.55	120.65	146.05	68.326	410.464	411.226		411.226	--
18''	711.2	60.5	533.4	88.9	130.048	158.75	69.85	461.772	462.28		462.026	--
20''	774.7	63.5	587.248	95.25	139.7	162.052	73.152	513.08	514.35		512.826	--
24''	914.4	69.9	701.548	106.426	152.4	168.148	82.55	615.95	615.95		614.426	--

Class 600 Flanges

Technical Specifications

N.B.	A	B	C	D	E	F	G	H	J	K	L	M	N	O	P	R	T	No. of Holes
15	95	14.3	6.4	35	22	38	22.4	9.5	21.3	23.5	52	16	22	23.0	66.7	3.0	15.9	4
20	117	15.9	6.4	43	25	48	27.7	11.0	26.7	29.0	57	16	25	28.0	82.6	3.0	19.0	4
25	124	17.5	6.4	51	27	54	34.5	12.5	33.4	36.0	62	17	27	35.0	88.9	3.0	19.0	4
32	133	20.6	6.4	64	29	64	43.2	14.5	42.2	44.5	67	21	29	43.5	98.4	5.0	19.0	4
40	156	22.2	6.4	73	32	70	49.5	16.0	48.3	50.5	70	22	32	50.0	114.3	6.5	22.2	4
50	165	25.4	6.4	92	37	84	62.0	17.5	60.3	63.5	73	29	37	62.5	127.0	8.0	19.0	8
65	190	28.6	6.4	105	41	100	74.7	19.0	73.0	76.0	79	32	41	75.5	149.2	8.0	22.2	8
80	210	31.8	6.4	127	46	117	90.7	20.5	88.9	92.0	83	35	46	91.5	168.3	9.5	22.2	8
90	229	34.9	6.4	140	49	133	103.4	-	101.6	105.0	86	40	49	104.0	184.2	9.5	25.4	8
100	273	38.1	6.4	157	54	152	116.1	-	114.3	118.0	102	41	54	117.0	215.9	11.0	25.4	8
125	330	44.4	6.4	186	60	189	143.8	-	141.3	145.0	114	48	60	145.0	266.7	11.0	28.6	8
150	356	47.6	6.4	216	67	222	170.7	-	168.3	171.0	117	51	67	171.0	292.1	12.5	28.6	12
200	419	55.6	6.4	270	76	273	221.5	-	219.1	222.0	133	57	76	222.0	349.2	12.5	31.8	12
250	508	63.5	6.4	324	86	343	276.4	-	273.0	276.0	152	65	111	277.0	431.8	12.5	34.9	16
300	559	66.7	6.4	381	92	400	327.2	-	323.9	329.0	156	70	117	328.0	489.0	12.5	34.9	20
350	603	69.8	6.4	413	94	432	359.2	-	355.6	360.0	165	73	127	360.0	527.0	12.5	38.1	20
400	686	76.2	6.4	470	106	495	410.5	-	406.4	411.0	178	78	140	411.0	603.2	12.5	41.3	20
450	7432	82.6	6.4	533	117	546	461.8	-	457.2	462.0	184	79	152	462.0	654.0	12.5	44.4	20
500	813	88.9	6.4	584	122	610	513.1	-	508.0	513.0	190	83	165	514.0	723.9	12.5	44.4	24
600	940	101.6	6.4	692	140	718	616.0	-	609.6	614.0	203	92	184	616.0	838.2	12.5	50.8	24

Class 1500 Flanges

Technical Specifications

N.B.	A	B	C	D	E	F	G	H	J	K	L	M	N	O	P	R	T	No. of Holes
15	121	22.2	6.4	35	32	38	22.4	9.5	21.3	23.5	60	22	32	23.0	82.6	3.0	22.2	4
20	130	25.4	6.4	43	35	44	27.7	11.0	26.7	29.0	70	25	35	28.0	88.9	3.0	22.2	4
25	149	28.6	6.4	51	41	52	34.5	12.5	33.4	36.0	73	29	41	35.0	101.6	3.0	25.4	4
32	159	28.6	6.4	64	41	64	43.2	14.5	42.2	44.5	73	30	41	43.5	111.1	5.0	25.4	4
40	178	31.8	6.4	73	44	70	49.5	16.0	48.3	50.5	83	32	44	50.0	123.8	6.5	28.6	4
50	216	38.1	6.4	92	57	105	62.0	17.5	60.3	63.5	102	38	57	62.5	165.1	8.0	25.4	8
65	244	41.3	6.4	105	64	124	74.7	19.0	73.0	76.0	105	48	64	75.5	190.5	8.0	28.6	8
80	267	47.6	6.4	127	73	133	-	-	88.9	92.0	117	51	73	91.5	203.2	9.5	31.8	8
100	311	54.0	6.4	157	91	162	-	-	114.3	118.0	124	57	91	117.0	241.3	11.0	34.9	8
125	325	73.0	6.4	186	105	197	-	-	141.3	145.0	156	64	105	145.0	292.1	11.0	41.3	8
150	394	82.6	6.4	216	119	229	-	-	168.3	171.0	171	70	119	171.0	317.5	12.5	38.1	12
200	483	92.1	6.4	270	143	292	-	-	219.1	222.0	213	75	143	222.0	393.7	12.5	44.4	12
250	584	108.0	6.4	324	159	368	-	-	273.0	276.0	254	84	178	277.0	482.6	12.5	50.8	16
300	673	123.8	6.4	381	181	451	-	-	323.9	329.0	283	92	219	328.0	571.5	12.5	54.0	16
350	749	133.4	6.4	413		495	-	-	355.6	-	298	-	241	360.0	635.0	12.5	60.3	16
400	826	146.1	6.4	470		552	-	-	406.4	-	311	-	260	411.0	704.8	12.5	66.7	16
450	914	161.9	6.4	533		597	-	-	457.2	-	327	-	276	462.0	774.7	12.5	73.0	16
500	984	178.0	6.4	584		641	-	-	508.0	-	356	-	292	514.0	831.8	12.5	79.4	16
600	1168	203.0	6.4	692		762	-	-	609.6	-	406	-	330	616.0	990.6	12.5	92.0	16

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