Gate valve Lewis®

manualshut-offfor acids

Specified for hot acid service where tight shut-off is mandatory Overview Lewis® gate acid valves are designed with an all-metal construction featuring Lewmet® nickel chrome alloys. Lewmet® alloys incorporate highly specialised metallurgy for harsh sulphuric acid environments. Lewis® gate valves are often specified for hot acid service where tight shut-off is mandatory and cannot be compromised. They can also be furnished with a variety of automatic actuators. Key features/benefits Robust materials of construction to combat the effects of a corrosive environment Class IV shut-off Processes Slurry transportation Specification Design standards Drilled to ANSI, BS, DIN, or, JIS standards Design ratings 93-99% sulphuric acid and oleum/HRS Applications Size range/-dimensions All Lewmet® alloy construction – sizes 1-100mm (1/2” - 4”) Alloyed iron body, Lewmet® alloy discs and seats – sizes 150-750mm (6”-30”). Materials Lewmet® alloy and stainless steel