reasonable &competitive price;complete in specifications reliable quality & excellent performance,easy to use and maintan Basic Design: API B16.34/API 6DFace to Face Dimension: API B16.34/API 6DEnd to End Dimension: API B16.34/API 6DFlange End Dimension: ANSI B16.5Butt-Weld End Dimension: ANSI B16.25Inspection & Testing: API 6DFire Safe Design: API 607/API 6FAPressure: 150LB~2500LB 2 Pieces Ball ...