Carbon Steel 4" Flange with National Pipe Tapered (NPT) Male Size_2 Inch 1 1/2″ and 2 1/2″

1 1/2″ and 2 1/2″ rocker lug couplings

The sturdy all welded "A" frame base provides exceptional strength to handle the extra weight without sacrificing performance

Metal construction of aluminum

See video above for detailed instructions

you need 2 1/2 inch plug which is the most common in the US

Carbon Steel 4" Flange with National Pipe Tapered (NPT) Male Size_2 Inch 1 1/2″ and 2 1/2″National Pipe Tapered (NPT) Carbon Steel Flange. ASA Forged Flanges have raised shoulder with no raised face. National Pipe Tapered is common in plumbing and some industrial uses. Sometimes referred to as pipe thread because PVC pipe and schedule 40 pipe are typically threaded in NPT. ANSI was originally formed in 1918, when five engineering societies and three government agencies founded the American Engineering Standards Committee (AESC). In 1928,