13MHHV600 Dixon Valve 304 Stainless Steel Sanitary 6" Pipe Size Schedule 5S and 10S Single Pin Heavy Duty ClampFeatures: Wing nut tightened to 25 in. lbs. torque Please note: In sizes 1 2" through 12" pipe is known by its nominal inside diameter, which differs from its actual inside diameter. To distinguish pipe sizes from actual measured diameters as used for tube, the terms iron pipe size (IPS) or nominal pipe size (NPS) are usually used. For all pipe sizes, the outside diameter (OD) remains constant; the variations in wall thickness affect the inside