Carbon Steel 4" Flange with National Pipe Tapered (NPT) Male Size_2 Inch Quarter turn sexless head design

Quarter turn sexless head design (1 1/2 inch QT fitting will mate with 1 inch QT or 3/4 inch QT) For use up to 300 PSI

Metal construction of aluminum

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

Hard coat anodized components per MIL-A-8625 Type III Class 1

Carbon Steel 4" Flange with National Pipe Tapered (NPT) Male Size_2 Inch Quarter turn sexless head designNational 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,