Powell Fabrication & Manufacturing, Inc.

Anhydrous Ammonia Shutdown System




Powell is the only manufacturer to offer emergency shutdown systems with pneumatic or electric actuators for use on either small containers (150 lb. – 1 ton) or large containers (such as 90 ton railcars) of anhydrous ammonia. Powell has taken great care to design dependable systems that are convenient to use, powerful, versatile, and most importantly, reliable. We are proud to have developed valve closure systems superior to any other shutdown system available on the market.

Anhydrous Ammonia Valves

Various Anhydrous Ammonia Cylinder, Ton Container, and Railcar Valves compatible with both Electric and Pneumatic actuators.  More...

Available Systems

UL-CUL Approved

Powell Valve Closure System control panels (UniPro family, MaxPro RA & E-Pro) are listed by Underwriters Laboratory to UL 508A for Enclosed Industrial Control Panels. Panels are listed by Underwriters Laboratory bearing the UL & CUL mark for use in the United States and Canada markets. In applications where a CSA listed control panel in Canada is required, please contact Powell for further information.

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Anhydrous Ammonia Valve Shutoff

About Anhydrous Ammonia

Anhydrous Ammonia is a clear liquid at standard temperature and pressure with a very pungent and irritating odor. When mixed with air it can become flammable. Exposure to anhydrous ammonia can cause blindness, lung damage, burns, or death. Anhydrous Ammonia is the main source of nitrogen for plant growth. It is most widely used in agricultural crop fertilization. Anhydrous Ammonia is transported in pressurized tank cars with plug type angle valves.

Synonyms: Ammonia

Accidental Release of Anhydrous Ammonia

Powell Emergency Valve Closure Systems are designed to prevent significant releases of anhydrous ammonia. Exposure to even small quantities of this fluid can cause injury and even death. In the case of an accidental release, the ammonia emergency shutdown system will close the ammonia container valve within seconds, effectively stopping the release without any risk to personnel.

It is possible to prevent an accidental release of anhydrous ammonia. 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 systems for Anhydrous Ammonia 150 lb Cylinders, Ton Containers, Tube Trailers, Railcars,  Tank Cars, and Bullet Tanks.
 
 

for 150 lb Cylinders, Ton Containers,
& Tube Trailers

for Anhydrous Ammonia Railcars & Bullet Tanks

Other Safety Systems


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