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Precision Fabricators Ltd has a 30+ year history of manufacturing reliable solutions for the semiconductor, pharmaceutical and chemical deposition industries.   


We offer over 400 cylinder variations with internal chambers, bypass valves, dip tubes, relief tubes, thermowells, level sensors, pneumatic, automatic or manual valves, and volumes from 10 ml to 100 liters.


PFL has built a worldwide fleet of over 35,000 cylinders and helps maintain the fleet with a range of cleaning, modification and cylinder recertification services.  We boast a modern, 10,000 square foot facility south of Boston, and skilled craftsmen that can conceive, design, engineer, fabricate, test, clean, and produce the world’s finest bubblers, cylinders, reactors and ampoules. 



With DOT certification, UN authority, ISO registration, implementation of 5S, 6 Sigma and Toyota's Production System, PFL can respond to any vessel requirement from the semiconductor, food and pharmaceutical industries.  Call us to learn more.

Our Company

 Quality Policy

  • Cylinders conform to DOT, UN and ISO regulations and unique customer requirements.

  • All products will be prepared and packaged with care, and delivered on time.

  • We communicate with customers and suppliers on a regular and timely basis.

  • We continuously improve our company, our products and our procedures to better serve our customers.

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