gate valves are often used when a straight-line flow of fluid with minimum restrictions requires control of fluid. Gate valves have low pressure loss & long life. With a flanged end connection, these valves are designed with api 600 standards. Their rigid and sturdy design, along with low pressure loss, makes them a good choice. They are generally used for liquids that have corrosive properties such as oil & chemicals. liquids having corrosive properties oil chemical conforming to api 600. rigid and sturdy design. lower pressure loss. long service life.