1. Manufacturing standards: API, ANSI, BS, JIS, UNI, MSS, and SP
2. Materials: A105, LF2, F304, F304L, F316, F316L, and Q235 steel
3. Type: Welding neck, slip-on, threaded, lap-joint, socket welding, and blind
4. Pressure: ANSI class 150 to 2, 500
5. Size range: 1/2 to 56 inches (DN15 to DN1400mm)
6. Certification: ISO, API