Plain Flanges

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Plain Flanges

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Product Code : 09

Product Description

Plain Flanges

TECHNICAL SPECIFICATION

Flange Size Designation (Nominal Bore of pipe)	Approx. Outside Diameter of steel pipe		Diameter of Flange		Bolt C ircle Diameter		Number of Bolt Holes	Diameter of Bolts		Thickness
Flange Size Designation (Nominal Bore of pipe)	H		D		P		N	B*		T
inch	inch	mm	inch	mm	inch	mm	Nos.	inch	mm	inch	mm
½	27/32	21.43	3¾	95.25	205/8	66.68	4	½	12.70	3/16	4.76
¾	1.1/16	26.99	4	101.60	2.7/8	73.03	4	½	12.70	3/16	4.76
1	1.11/32	34.13	4½	114.30	3¼	82.55	4	½	12.70	3/16	4.76
1¼	1.11/16	42.86	4¾	120.65	3.7/16	87.31	4	½	12.70	¼	6.35
1½	1.23/32	48.42	5¼	133.35	3.7/8	98.43	4	½	12.70	¼	6.35
2	2.3/8	60.33	6	152.40	4½	114.30	4	5/8	15.88	5/16	7.94
2½	3	76.20	6½	165.10	5	127.00	4	5/8	15.88	5/16	7.94
3	3½	88.90	7¼	194.15	5¾	146.05	4	5/8	15.88	3/8	9.53
3½	4	101.60	8	203.20	6½	165.10	4	5/8	15.88	3/8	9.53
4	4½	114.30	8½	215.90	7	177.80	4	5/8	15.88	3/8	9.53
5	5½	139.70	10	254.00	8¼	209.55	8	5/8	15.88	½	1.70
6	6½	165.10	11	279.40	9¼	234.95	8	5/8	15.88	½	12.70
	6.5/8	168.28
7	7.5/8	193.68	12	304.80	10¼	260.35	8	5/8	15.88	½	12.70
8	8.5/8	219.08	13¾	336.55	11½	292.10	8	5/8	15.88	½	12.70
9	9.5/8	244.48	14½	368.30	12¾	323.85	8	5/8	15.88	5/8	15.88
10	10¾	273.05	15	406.40	14	355.60	8	¾	19.05	5/8	15.88
12	12¾	323.85	18	457.20	16	406.4	12	¾	19.05	¾	19.05
13	14	355.60	19¾	488.95	17¼	438.15	12	¾	19.05	¾	19.05
14	15	381.00	20¾	527.05	18½	469.90	12	7/8	22.23	7/8	22.23
15	16	406.40	21¾	552.45	19½	495.30	12	7/8	22.23	7/8	22.23
16	-	-	22¾	577.85	20½	520.70	12	7/8	22.23	7/8	22.23
17	18	457.20	24	609.60	21¾	552.45	12	7/8	22.23	1	25.40
18	-	-	25¼	641.35	23	584.20	12	7/8	22.23	1	25.40
19	20	508.00	26½	673.10	24	609.60	12	7/8	22.23	1	25.40
20	-	-	27¾	704.85	25¼	641.35	16	7/8	22.23	1.1/8	28.58
21	22	558.80	29	736.60	26½	673.10	16	7/8	22.23	1.1/8	28.53
22	-	-	30	762.00	27½	698.50	16	1	25.40	1.1/8	28.53
23	24	609.60	31	787.40	28½	723.90	16	1	25.40	1.1/8	28.53
24	-	-	32½	825.50	29¾	755.65	16	1	25.40	1¼	31.75