API 150lb 3-Inch Wcb Flanged Cast Steel Gate Valve

API 150lb 3-Inch Wcb Flanged Cast Steel Gate Valve. Precision wedge sealing, zero leakage under rated pressure & temperature. Low torque operation, easy manual/electric/pneumatic actuation. Full bore design, minimal pressure drop, energy-saving pipeline operation. Excellent Weldability & Fabrication: The carbon steel composition allows easy field welding and pipe connection, reducing installation time and giving you greater flexibility during project. Made of ASTM A216 WCB carbon steel body, compliant with ASME B16.34 American standard for oil, gas and steam pipeline isolation. Bolted bonnet back seal structure, effectively prevent fugitive emission and easy disassembly for maintenance. Wide media adaptability for crude oil, natural gas, high-temperature steam, water and petrochemical medium in refinery & power plants. Supports multiple operation modes: handwheel, bevel gear, electric and pneumatic actuator for automatic pipeline control. Multi connection ends available: RF flanged, RTJ flanged and BW butt weld to fit global standard pipelines. Wedge gate with Stellite hardfaced metal sealing surfaces, tight bi-directional shutoff for high temperature & high pressure service.