Specified for hot acid service where tight shut-off is mandatory
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.
Robust materials of construction to combat the effects of a corrosive environment
Class IV shut-off
Drilled to ANSI, BS, DIN, or, JIS standards
93-99% sulphuric acid and oleum/HRS Applications
All Lewmet® alloy construction – sizes 1-100mm (1/2” - 4”)
Alloyed iron body, Lewmet® alloy discs and seats – sizes 150-750mm (6”-30”).
Up to 140°C (280°F) with heat recovery up to 240°C (460°F)
Lewmet® alloy and stainless steel