High Pressure Piping (HPP) Prep Test Class

ABC is offering a HPP prep test class to better prepare craft professional to become licensed journey pipefitters. An individual must have four years of experience in the practical installation or fabrication of high pressure piping systems to be approved to take the journey worker pipefitter exam, and receive a minimum score of 70 on the exam. The examination is drawn from the Minnesota's high pressure piping and code for power piping systems: Minnesota Statutes Chapter 326B sections 326B.90 to 326B.925 and Minnesota Rules Chapter 5230. We will spend two (2) hours on steam and high-pressure fluids and six (6) hours on refrigeration. More specifically on refrigeration you will learn about about ammonia as a refrigerant, review of a basic, simple refrigeration system and the function of the various components, the three methods of feeding refrigerant to an evaporator (direct expansion, flooded with surge drum, recirculated), types of compressors, condensers and evaporators, various piping diagrams. The following are considered high pressure piping systems:

Steam-system piping designed to operate at more than 15 psi
High-pressure & high-temperature fluids designed to operate at more than 250 degrees Fahrenheit and 30 psi gauge used for heating
Ammonia (717) refrigeration-system piping
Bioprocess piping systems

Cost: $175 per person includes breakfast, lunch, study materials (members only)

Speakers: David H. Grong, Carlson and Stewart, Refrigeration, Inc, and Kevin Durenberger, Mid-States Mechanical Services, Inc.

Special Note: A minimum of 20 people must register for this class before March 1^st in order to conduct workshop. Please register early!

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High Pressure Piping Training - Refrigeration 3/9/19