Carbon Steel 3" Flange with National Pipe Tapered (NPT) Inlet Size_2 1/2 Inch NH threads are used by

NH threads are used by most fire departments and fire trucks

Features appliance support studs to help keep valve body off of pavement

which is known to the State of California to cause cancer/birth defects or other reproductive harm

Please contact your local fire department

The black 2" webbing is rated at 3000 pounds and treated to prevent mold or mildew

Carbon Steel 3" Flange with National Pipe Tapered (NPT) Inlet Size_2 1/2 Inch NH threads are used byNational 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,