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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