api cast steel ball valves
Design and Manufacture: API 6D, ASME B16.34(BS5351),API 608, MSS-SP-72
Face To Face Dimension: ASME B16.10,API 6D
Flange Connection Dimension: ASME B 16.5, NPS6"
PER as ASME B16.47
BW Connection Dimension: ASME B16.25
Test And Inspection: API 598, API 6D
Fire-safe Design: API 607/6FA
Anti-static Design & Anti Blow-out Stem