American National Standards Institute (ANSI)
American Society of Mechanical Engineers (ASME)
International Organization for Standardization (ISO)
American Iron and Steel Institute (AISI)
DIN (Deutsches Institut für Normung)
Elbow (45 degree, 90 degree)
• Bend (90 degree bend, return or U bend)
• Tee (Equal, Unequal)/branch
• coupling
• Reducer (Concentric, eccentric)
• Expander
• Cross
• Closure (plug, cap)
• Stub in & stub on
• Swage Nipples ( PBE-Plain both ends, PLE-Plain Large Ends, PSE-Plain Small End, BSE-Beveled Small End, TSE-Threaded Small End)
• Olets (Butt Weld Olet, Nipple olet, elbow olet, Threaded olet, socket weld olet, Lateral Olet, flange olet, sweep olet)