About Us FAQ's Blog Certifications Downloads

estimation@ferrobend.com +91-8369719424

ASME B16.47 Series A
Class 900 Blind

ASME B16.47 Series A Class 900 Blind Flange Technical Drawing

DIMENSIONAL DATA

NPS	Flange OD (O)	Thickness (T)	Raised Face Diameter (R)	Point Fillet Radius (r)	Bolt Circle Dia.	No. of Holes	Diameter of Bolt Hole	Hole Dia.
26	42.75	6.31	29.50	0.44	37.50	20	2-7/8	2-3/4
28	46.00	6.75	31.50	0.50	40.25	20	3-1/8	3
30	48.50	7.18	33.75	0.50	42.75	20	3-1/8	3
32	51.75	7.62	36.00	0.50	45.50	20	3-3/8	3-1/4
34	55.00	8.06	38.00	0.56	48.25	20	3-5/8	3-1/2
36	57.50	8.44	40.25	0.56	50.75	20	3-5/8	3-1/2
38	57.50	8.50	43.25	0.75	50.75	20	3-5/8	3-1/2
40	59.50	8.81	45.75	0.81	52.75	24	3-5/8	3-1/2
42	61.50	9.12	47.75	0.81	54.75	24	3-5/8	3-1/2
44	64.88	9.56	50.00	0.88	57.62	24	3-7/8	3-3/4
46	68.25	10.06	52.50	0.88	60.50	24	4-1/8	4
48	70.25	10.38	54.50	0.94	62.50	24	4-1/8	4

NPS	Flange OD (O)	Thickness (T)	Raised Face Diameter (R)	Point Fillet Radius (r)	Bolt Circle Dia.	No. of Holes	Diameter of Bolt Hole (Inch)	Diameter of Bolt (Inch)
26	1086	160.3	749	11	952.5	20	2-7/8	2-3/4
28	1168	171.4	800	13	1022.4	20	3-1/8	3
30	1232	182.4	857	13	1085.8	20	3-1/8	3
32	1314	193.5	914	13	1155.7	20	3-3/8	3-1/4
34	1397	204.7	965	14	1225.6	20	3-5/8	3-1/2
36	1460	214.4	1022	14	1289.0	20	3-5/8	3-1/2
38	1460	215.9	1099	19	1289.0	20	3-5/8	3-1/2
40	1511	223.8	1162	21	1339.8	24	3-5/8	3-1/2
42	1562	231.6	1213	21	1390.6	24	3-5/8	3-1/2
44	1648	242.8	1270	22	1463.5	24	3-7/8	3-3/4
46	1734	255.5	1334	22	1536.7	24	4-1/8	4
48	1784	263.7	1384	24	1587.5	24	4-1/8	4

Dimensions are based on ASME B16.47 Class 900 flange requirements. Refer to the applicable standard for complete dimensional requirements.

Need ASME B16.47 Series A Class 900 Blind Flanges for Your Project?

Precision Engineering. Technical Expertise. Global Supply.

Request a Quote Download U.S. Customary Datasheet Download Metric Datasheet