API 6D Forged Steel Ball Valve 2026年3月30日 作者 Jessamyn API 6D Forged Steel Ball Valve Professional ball valve for oil & gas, pipeline and industrial projects. Size: 1/2″ ~ 48″ Pressure: Class 150 ~ 2500 Material: A105, F304, F316 Standard: API 6D, ASME B16.34 📩 Contact Us for Best Price Fast reply within 2 hours. WhatsApp Email