ASTM A216 WCC PSB Check Valve, API 6D, 12 Inch, 1500 LB, BW

ASTM A216 WCC Check Valve API 6D PSB Check Valve 12 Inch PSB Check Valve Class 1500 PSB Check Valve BW End Check Valve ASME B16.10 PSB Check Valve ASME B16.5 PSB Check Valve API 598 PSB Check Valve