CAB Incorporated is a global leader in international supply chain and quality management, specializing in wind tower components, industrial castings and forgings and steel pipe flanges for waterworks and industrial applications. CAB is celebrating our FIRST 25 years of excellence in 2007… and we invite you to find out how our “excellence” can reduce your total cost of ownership in our product areas.
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CAB Flange Specifications:
Forged Steel 150# Lap-Joint S/O Flanges (ASTM A-105)

ANSI 150# S/O Pattern*
W/Lap-Joint Radius
Primer-Painted and Hot-Dip Galvanized
Dimensions in Inches

Printable Spec Sheet

Nominal Size	Outside Diam. (OD)	Bore Diam. (B)	No. of Bolt Holes	Bolt Hole Diam.	Bolt Circle (BC)	Thickness (T)	Hub Length (L)	Hub Diam. (H)	Lap Radius (R)	Approx. Weight (lbs)
1	4.25	1.38	4	0.625	3.13	0.563	0.688	1.938	0.13	2
1.25	4.68	1.72	4	0.625	3.50	0.625	0.813	2.312	0.19	3
1.50	5.00	1.97	4	0.625	3.88	0.688	0.875	2.563	0.25	3
2	6.00	2.46	4	0.750	4.75	0.750	1.000	3.063	0.31	5

2.50	7.00	2.97	4	0.750	5.50	0.875	1.125	3.563	0.31	7
3	7.50	3.60	4	0.750	6.00	0.938	1.188	4.250	0.38	8
3.50	8.50	4.10	8	0.750	7.00	0.938	1.250	4.812	0.38	11
4	9.00	4.60	8	0.750	7.50	0.938	1.312	5.312	0.44	13

5	10.00	5.69	8	0.875	8.50	0.938	1.438	6.438	0.44	15
6	11.00	6.75	8	0.875	9.50	1.000	1.562	7.562	0.50	18
8	13.50	8.75	8	0.875	11.75	1.125	1.750	9.688	0.50	30
10	16.00	10.92	12	1.000	14.25	1.188	1.938	12.000	0.50	42

12	19.00	12.92	12	1.000	17.00	1.250	2.188	14.375	0.50	64
14	21.00	14.19	12	1.125	18.75	1.375	2.250	15.750	0.50	90
16	23.50	16.19	16	1.125	21.25	1.438	2.500	18.000	0.50	98
18	25.00	18.20	16	1.250	22.75	1.562	2.688	19.875	0.50	125

20	27.50	20.25	20	1.250	25.00	1.688	2.875	22.000	0.50	160
24	32.00	24.25	20	1.375	29.50	1.875	3.250	26.125	0.50	212
30**	38.75	30.25	28	1.375	36.00	2.125	3.500	32.750	0.50	305
36**	46.00	36.25	32	1.625	42.75	2.375	3.750	39.250	0.50	440

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CAB Flange Specifications: Forged Steel 150# Lap-Joint S/O Flanges (ASTM A-105)

CAB Flange Specifications:
Forged Steel 150# Lap-Joint S/O Flanges (ASTM A-105)