TIANYUDN50 Class1500LB 4-Way Flange Ball Valve Stainless Steel F316L Casting for Industrial Use with Pneumatic Actuator Handles corrosive media, offers multi-path flow control, ideal for chemical, offshore, and pharmaceutical industries.Customize with: larger sizes (DN200+), metal seats for 300℃+ media, explosion-proof actuators, sanitary polish, or NACE MR0175 compliance for sour service. Tailored to your media and system needs.