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Sulfur Dioxide Valve Shutoff
About Sulfur Dioxide (SO2)
Sulfur Dioxide is a colorless gas with a sharp, irritating odor at standard temperature
and pressure. Inhalation can cause irritation of the eyes and respiratory tract.
Released to the atmosphere, SO2 readily combines with moisture to form
sulfuric acid, the main component of acid rain.
Sulfur dioxide is a reducing bleach and can counter the effects of oxidizing bleaches.
It is shipped in pressurized containers and railroad tank cars. Gas cylinders
and ton containers
use standard 660 type chlorine valves. Tank cars use any of several models of angle
plug valves.
Synonyms: sulphur dioxide, sulfurous oxide, sulfurous anhydride,
sulfur superoxide, Fermenicide liquid, Fermenicide powder, sulfur oxide, oxosulfane
oxide, dioxide, sulfurous acid anhydride, Caswell No. 813.
Accidental Release of Sulfur Dioxide
In the event of an accidental release of sulfur dioxide, it is important to remove
any sources of ignition and to shut off the source of the gas.
Powell Emergency Valve Closure Systems are designed to prevent significant releases
of hazardous gases like sulfur dioxide . In the case of an accidental release, the
emergency shutdown system will immediately close the container valve, effectively
preventing further release regardless of where it occurs downstream.
It is possible to prevent an accidental release of sulfur dioxide .
Contact us today to discuss your specific application requirements.
Back to List of Hazardous Gases
Shutdown Systems for Various Container Sizes
Powell is the only manufacturer to offer both pneumatic or electric sulfur dioxide systems for
150 lb Gas Cylinders, Ton Containers, Railcars, Tank Cars, and Bullet Tanks.
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