Stainless steel pneumatic four-way flange ball valve Q646F-16P double L-shaped WCB cast steel high-temperature resistant pneumatic switching ball valve

Q646F pneumatic stainless steel 4-way flanged ball valve, L-port / T-port ball insert optional, driven by quarter-turn pneumatic actuator (spring return / double acting). Body made of 304/316L stainless steel, flanged connection, PTFE soft seal. 90° rotation realizes fluid direction change. Supports JIS, ASME B16.5, DIN, BS flange standards. Used for medium diversion, mixing and switching, suitable for chemical, HVAC, coating, hydraulic and other systems requiring automatic fluid switching.