gate valve / manual / shut-off / for acids
Lewis® Gate

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gate valve / manual / shut-off / for acids gate valve / manual / shut-off / for acids - Lewis® Gate
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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