Stainless Steel Flange Tables 2 1/2" through to 8" The Tables Below have the Standards for each Flange Type and Size. The Standards were written for Nominal Bore Pipe sizes, we can offer most Slip On Flanges to suite Thin Wall Metric and Hygienic, we can also offer most Flanges as Lap Joint Backers for Stub Ends and Pressed Collars and the thickness can be reduced to suit thin wall tube.
Weld Neck Flanges - DIN 2633 (PN16) or DIN 2635 (PN40)Example:VD06QE24N is a V-Cone 150mm line size, S304, schedule 40 pipe, DIN 2633 RF WN flanges, and ½ NPT fittings. STANDARD PIPE SCHEDULES Stainless Steel Carbon Steel Size (mm) Std. Size (mm) Std. 15 to 400 C 150 to 400 E 150 to 250 E 500 and up D 300 and up D Pipe up to 200mm utilizes seamless pipe. Above 200mm is welded pipe.