Diameters & Drilling of DIN Flanges ( mm )
Flange Nominal Diameter Pressure Rating (PN) **Nominal BSP Pipe Size PN6 PN10 PN16 PN25 PN40 DN 10 75 90 90 90 90 O.D. 3/8″ 50 60 60 60 60 PCD (bolt circle) 4 x 11 4 x 14 4 x 14 4 x 14 4 x 14 # of holes x diam.…