How Many Bolt Holes Are In A 4 150 Flange?

How Many Bolt Holes Are In A 4 150 Flange? How many bolt holes are in a 3 150 flange? Diameters and bolt circles for standard ASME B16. 5 flanges – 1/4 to 24 inches – Class 150 to 2500 Nominal Pipe Size NPS (inches) Class 150 Diameter of Flange (inches) Diameter of Bolt Holes … Continue reading How Many Bolt Holes Are In A 4 150 Flange?