Quality

Forge & Fitting

Quality Products

Class 1500 Standard Connection Flanges

Long Weld Neck "LWN"

Heavy Barrel "HB"

Equal Barrel "E"

Size			Flange			Barrel OD			Bolting			Nut			Stud Bolt			Weights						Length
Nom	Bore LWN & E	Bore HB	OD	Thk	RF of OD	LWN	HB	E	# ofHoles	Hole Size	Bolt Circle	Stop Dia	Relief Dia	Relief Length	Size	RF Length	RTJ Length	LWN		HB		E		Base
	B	B	O	T	R	D	D	D			C	NS	NR	NL				Base	Per 1"	Base	Per 1"	Base	Per 1"	L
½	0.5	0.55	4.75	0.88	1.38	1.56	2	4.75	4	0.88	3.25	2	1.56	1	¾	4 ¼	4 ¼	8	0.5	10	0.8	37	5	9
¾	0.75	0.74	5.12	1	1.69	1.81	2.25	5.12	4	0.88	3.5	2.25	1.81	1	¾	4 ½	4 ½	10	0.6	13	1	42	5.7	9
1	1	0.96	5.88	1.12	2	2.12	2.56	5.88	4	1	4	2.56	2.12	1.12	⅞	5	5	13	0.8	17	1.3	54	7.5	9
1 ¼	1.25	1.28	6.25	1.12	2.5	2.5	2.94	6.25	4	1	4.38	2.94	2.5	1.12	⅞	5	5	17	1	20	1.6	61	8.3	9
1 ½	1.5	1.5	7	1.25	2.88	2.75	3.25	7	4	1.12	4.88	3.25	2.75	1.25	1	5 ½	5 ½	21	1.2	26	1.9	77	10	9
2	2	1.94	8.5	1.5	3.62	4.12	5.06	8.5	8	1	6.5	5.06	4.12	1.12	⅞	5 ¾	5 ¾	42	2.9	56	4.9	115	15	9
2 ½	2.5	2.32	9.62	1.62	4.12	4.88	5.88	9.62	8	1.12	7.5	5.88	4.88	1.25	1	6 ¼	6 ¼	56	3.9	75	6.5	144	19	9
3	3	2.9	10.5	1.88	5	5.25	6.19	10.5	8	1.25	8	6.19	5.25	1.38	1 ⅛	7	7	67	4.1	84	6.7	161	23	9
4	4	3.83	12.25	2.12	6.19	6.38	7.5	12.25	8	1.38	9.5	7.5	6.38	1.5	1 ¼	7 ¾	7 ¾	110	5.5	147	9.3	302	30	12
5	5	4.81	14.75	2.88	7.31	7.75	9.12	14.75	8	1.62	11.5	9.12	7.75	1.75	1 ½	9 ¾	9 ¾	181	7.8	233	13	414	43	12
6	6	5.76	15.5	3.25	8.5	9	10.31	15.5	12	1.5	12.5	10.31	9	1.62	1 ⅜	10 ¼	10 ½	215	10	272	16	445	46	12
8	8	7.62	19	3.62	10.62	11.5	12.94	19	12	1.75	15.5	12.94	11.5	1.88	1 ⅝	11 ½	12 ¾	337	15	417	24	629	67	12
10	10	9.56	23	4.25	12.75	14.5	16.06	23	12	2	19	16.06	14.5	2.12	1 ⅞	13 ¼	13 ½	546	25	651	37	888	97	12
12	12	11.38	26.5	4.88	15	17.75	19.38	26.5	16	2.12	22.5	19.38	17.75	2.25	2	14 ¾	15 ¼	946	38	1148	55	1683	127	16
14	14	14	29.5	5.25	16.25	19.5	21.5	29.5	16	2.38	25	21.5	19.5	2.5	2 ¼	16	16 ¾	1116	41	1308	59	1929	150	16
16	16	16	32.5	5.75	18.5	21.75	23.88	32.5	16	2.62	27.75	23.88	21.75	2.75	2 ½	17 ½	18 ½	1371	48	1588	70	2238	178	16
18	18	18	36	6.38	21	23.5	26.25	36	16	2.88	30.5	26.25	23.5	3	2 ¾	19 ½	20 ¾	1674	51	1959	81	2629	216	16
20	20	20	38.75	7	23	25.25	28.12	38.75	16	3.12	32.75	28.12	25.25	3.25	3	21 ¼	22 ¼	1943	53	2241	87	2868	245	16
24	24	24	46	8	27.25	30	33.62	46	16	3.62	39	33.62	30	3.75	3 ½	24 ¼	25 ½	2936	72	3334	123	3819	343	16

Dimensions are in inches. Weights are in pounds.

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Saudi Arabia	Qatar
Oman	Kuwait
Bahrain	UAE
Mexico	Canada
United States	South Africa
Singapore	Malaysia
Sri Lanka	Australia
Brazil	Venezuela
Bangladesh	Turkey
Netherlands	United Kingdom
Iran	Nigeria

In the lifeline of industries, our fittings make sure pipeline in fact life lines of our industries are in perfect fit always. we at Quality Forge & Fitting always strive to make fittings & flanges that are excellent in quality,rich in material content and made to perfection that will last forever.