The T-PAV801 series lug type pneumatic actuated butterfly valve is used in handling hot and cold water, alkali acids, base and sodium chloride-concentrated solutions, and highly viscous fluids. It is also incorporated in ship building, chemical and petrochemical plants, power generation industry, pneumatic jobs, fire facilities, purification processes, food and beverage treatment, civil engineering tasks, and other relative tasks. This device can also provide stop and tap functions for releasing routines at the end of the pipe lines. Extruted aluminum and anodized elements are integrated as its base component. Its cap fitting is made from die cast aluminum with electrostatic paint infusion. The piston units is constructed from die cast aluminum, while the stem part is from AISI 420 stainless steel.