How Does a Vacuum Breaker Work?

In this video, we demonstrate how a vacuum breaker allows air to enter a system to replace a change in volume that occurs during the steam-to-condensate phase change.

Written by Kandi Hagenbuch on March 15, 2017.

Pump stopped, but water keeps coming. The Vacuum Breaker Solution.

Vacuum breakers are made up of five parts including the body, O-ring, ball, spring, and retainer tube.

Written by Jan Walter on November 08, 2016.

Does your vacuum breaker experience sporadic periods of chattering and spit out condensate?

A newly installed steam injection water heater with a ½” vacuum breaker was experiencing sporadic periods where the vacuum breaker chattered rapidly and “spit out” condensate. Once the water heater reached its set point, the chattering stopped and did not reappear for hours. Chatter will eventually destroy the cage that holds the spring and ball-check in place on the vacuum breaker.

Written by Jan Walter on April 16, 2015.

What is the lowest operating temperature for a vacuum breaker?

A vacuum breaker is an anti-siphoning check valve used in a variety of applications to prevent a vacuum from developing. When the vacuum breaker valve is sealed, its spring seats a ball against an O-ring.

Written by Jan Walter on January 06, 2015.

Vacuum Breaker Basics – An interview with Erich Bernhardt

Written by Jan Walter on January 17, 2017.

Thermocompressor Optimization for Efficient Yankee Operation

Thermocompressor optimization using CFD software ensures users will achieve the greatest operating efficiency with the flexibility to tune the device to specific operating conditions.

Written by Matt Mitchell on July 05, 2016.

Vacuum Breaker Best Practice: Keeping Contamination Out

Vacuum breakers are frequently installed with the air inlet port facing up. This orientation can lead to contaminants entering the steam system and potentially accumulating on the ball, seat, and cage area of the vacuum breaker.

Written by Al Ives on March 17, 2015.

Kadant Johnson to Offer Donahue Steam Products

Kadant Johnson Inc. has expanded its corrugator steam and condensate handling systems to now include Donahue steam systems, Donahue steam traps, and corrugator audit services.

Written by Danielle Rohrer on August 06, 2014.