Table 1.5 Flange, Bolt Holes and Bolting Dimensions for Class 125 Cast Iron Flanges
200-06 : Threaded & Blind Flanges
new industry standard
NAPF 500-03
Surface preparation standard for ductile iron pipe and fittings receiving special external coatings and/or special internal linings. Click here for a preview »
"NAPF . . . setting the standard"™
