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Gate valve Lewis® Gate
manualshut-offfor acids

gate valve
gate valve
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Characteristics

Type
gate
Operation
manual
Function
shut-off
Media
for acids
Body
stainless steel, nickel
Other characteristics
ANSI, DIN, automatic
Temperature

140 °C, 240 °C (284 °F)

Description

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”). Temperature range Up to 140°C (280°F) with heat recovery up to 240°C (460°F) Materials Lewmet® alloy and stainless steel

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.