Williams Fire & Hazard Control, Inc.

Kenneth Baker

Dennis Wayne Crabtree

Thomas E Mason

An additive supply system for fire fighting mechanisms such as a fire fighting truck including an additive supply line system having a pump and a recirculation line, a balanced pressure valve metering flow in the recirculation line and in communication with the measure of additive line pressure and fire fighting fluid line pressure, and additive pump control apparatus connected to the additive pump and in communication with the measure of the degree of openness of the balanced pressure valve.

Growing community of inventors

Port Neches, TX, United States of America

Kenneth Baker