Swagelok Ammonia Sampler
The Swagelok® Ammonia Sampler is designed to improve safety, consistency, and efficiency in ammonia sampling operations. Traditional manual sampling methods can expose operators to liquid and vaporized ammonia while introducing variability into the sampling process. The Swagelok closed-loop sampler helps minimize operator exposure and improve repeatability by using a closed sampling fixture, prechilled residue tube, semi-automated sample filling, and controlled heating cycle. Available in single- and dual-fixture configurations, the system delivers faster and more reliable testing results while simplifying operation through intuitive controls and guided workflows. By enabling safer, more accurate ammonia sampling, the Swagelok Ammonia Sampler helps facilities improve product quality, respond more quickly to process changes, and reduce operational risks.
Video Transcript
Traditional ammonia sampling methods have a number of inherent challenges. Operators can be exposed to dangerous ammonia liquid and vapors, causing severe skin burns and eye irritation. Ammonia can also be toxic if inhaled. In addition, manual ammonia sampling takes a significant amount of time and relies on the skills and judgment of the operator. This may lead to inaccuracies, as sampling processes are often not repeatable. The Swagelok ammonia sampler has been designed to solve manual sampling issues. It minimizes the operator’s exposure to liquid and vaporized ammonia, introduces consistency in testing, and expedites the sampling process. Significantly faster results mean that process adjustments can be made more quickly, reducing rates of off-spec product and corrosion damage, which can minimize cost. Available in single- or dual-fixture designs, the closed-loop sampler permits ammonia to be dispensed without exposing the technician. The operator can collect 100- or 250-milliliter samples and easily view the process through the glass fixtures. Semi-automated sample dispensing is controlled with a hand wheel that operates four valves simultaneously, minimizing the need for operator manipulation. Intuitive touchscreen controls and on-screen, step-by-step instructions simplify use. Relay outputs also allow remote status monitoring. To begin the ammonia testing, the operator loads the residue tube into the fixture.
The cap assembly seals on top of the residue tube to prevent overfilling and maintain a consistent sample size. Cold ammonia is used to fill the space between the two glass pipes, creating a cold bath to draw heat out of the fixture and residue tube. This clears the supply line of older ammonia, ensuring a fresh sample. The prechilled residue tube design allows for greater accuracy and prevents aggressive ammonia boiling when dispensing the sample. The ammonia fills the residue tube until the level reaches the bottom of the overflow tube.
The operator turns the wheel to purge, draining the cold bath and purging away ammonia vapors. As the sample evaporates, a heater is used to evaporate samples in a controlled manner at a constant temperature.
The remaining water is then measured by reading the graduations on the residue tube stem after ammonia evaporation. In summary, Swagelok’s closed-loop ammonia sampler minimizes hazardous exposure to the operator, introduces consistency into the sampling operation, and expedites the gathering of results. Its design adheres to the highest quality and safety standards and can be customized for a variety of industrial environments as needed. Contact your authorized Swagelok sales and service center, or visit swagelok.com to learn more.
