This Demco J022121-5115311 NE-C Butterfly Valve from Cameron is a reliable and high-quality valve that is suitable for various industrial applications. With a diameter of 3 inches and a butterfly valve type of lug, it can handle up to 200 psi and is made of durable brass material. The brand name is Cameron and the manufacturer part number is J022121-5115311. The valve's disc material is brass and it falls under the category of business industrial, hydraulics, pneumatics, pumps plumbing, valves manifolds, and specifically, butterfly valves. This valve is a great addition to any industrial work environment and is sure to provide reliable and efficient performance.