Ammonia Storage Level Measurement Solutions

Vaporized ammonia is widely used in catalytic and non-catalytic reduction systems for emissions control. When injected into the flue gas stream, ammonia acts as a reducing agent to lower nitrogen oxide (NOₓ) emissions and can also improve electrostatic precipitator efficiency for particulate removal. Pure ammonia is typically stored in pressure vessels rated between 250 and 300 psig, while aqueous ammonia (70–80% water) is stored in tanks rated for 25–30 psig. Because of its lower concentration, aqueous ammonia requires three to four times more storage volume than pure ammonia.

The Challenge
Ammonia is a hazardous material, and accidental release of vaporized ammonia poses serious safety and environmental risks. For this reason, precise level measurement and reliable containment monitoring are critical for both operational safety and regulatory compliance. Factors such as vessel pressure, temperature variations, and tank design can all influence the choice of appropriate level control instrumentation.

Why Trust AMETEK LMS?
AMETEK LMS delivers advanced level and flow measurement solutions designed to perform under the demanding conditions of ammonia storage and handling. Our instrumentation ensures consistent, safe, and efficient operation. With decades of expertise in chemical and process measurement, AMETEK LMS is a trusted partner to facilities seeking performance, compliance, and peace of mind.

Related products

Displacer Switch
Magnetrol

Displacer switches – single, dual and tri-switch series

Single-Stage Switches

Series A10 displacer type level measurement units are wide differential units calibrated to actuate as a liquid level reaches a given displacer and to deactuate when the level reaches a second displacer. Single stage, wide differential displacer switches are factory calibrated yet field-adjustable to operate over a wide level differential band.

The minimum differential band is approximately 6 inches (152 mm) in water and varies somewhat with liquid specific gravity. The maximum differential is determined by the length of the displacer suspension cable. Series A15 units are calibrated to operate over a narrow level differential band and are ideally suited for liquid level alarm applications on either high or low level.

Dual-Stage Switches

Series B10 displacer type level measurement units are wide differential tandem switches that are factory calibrated with a choice of several switch operating sequences designed to meet virtually any application.

Series B15 units are narrow differential tandem switches that are factory calibrated. Each switch actuates at a different level.

Tri-Stage Switches

Series C10 displacer type level measurement units utilize three electrically separate control signals in a selected sequence in response to liquid level changes.

Series C15 units are wide differential switches with a choice of several operating sequences combining wide and narrow level differential and are factory calibrated.

Other applications

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