Carbon Steel 6" Flange with National Pipe Tapered (NPT) Male Size_4 Inch Pentagon nut at top of

Pentagon nut at top of spindle discourages unauthorized use

the type of clamping system that is used

The DPW is made from incredibly tough

ASA Forged Flanges have raised shoulder with no raised face

Lightweight firefighting needs

Carbon Steel 6" Flange with National Pipe Tapered (NPT) Male Size_4 Inch Pentagon nut at top ofNational 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,