Air Supplies for Dry & Preaction Systems

Learn about the different air supplies used in dry and preaction fire sprinkler systems. This course will discuss the different methods to fill a system with air as well as the benefits of utilizing dry air or nitrogen.

Upon completion of this webinar, participants should be able to:

1. Identify the types of air permitted per NFPA 13.
2. Identify the components that are required to be listed for the air supply.
3. Understand and apply fill time requirements to appropriately size compressors.
4. Understand and apply allowable leakage rates to appropriately size generators.

John August Denhardt, P.E., ET, FSFPE, CWBSP

John August Denhardt, P.E., ET, FSFPE, CWBSP, is Vice President of Engineering and Technical Services for AFSA. He is a Professional Engineer (P.E.) registered in the District of Columbia as well as the states of Delaware, Maryland, Pennsylvania, and Virginia. He is a NICET Level III in Automatic Sprinkler System Layout and Inspection and Testing of Water-Based Systems and an NFPA Certified Water-Based Systems Professional (CWBSP). He is a member of the NFPA 13 Sprinkler Discharge Committee and is a Fellow in the Society of Fire Protection Engineers (SFPE). Denhardt is a National Fire Protection Association (NFPA) Research Foundation trustee, sits on the University of Maryland Department of Fire Protection Engineering’s Board of Visitors, and is a member of the SFPE Board of Directors. A native of Maryland, Denhardt holds a Bachelor of Science degree in Fire Protection Engineering from the University of Maryland in College Park.

Raymond M. Fremont

Raymond M. Fremont, Jr., is the marketing director for General Air Products Inc. General Air Products, founded in 1936, is the leading manufacturer of dry pipe system filling technologies in the fire sprinkler industry. Raymond has been working in the industry for nearly 20 years and educating AFSA members on air compressors, dry air, and nitrogen for 10 years.