Media Summary: A detailed animation of Viking's Viking F-1 This video visually illustrates the step-by-step actuation of the Tyco Model DV-5A The Victaulic Series 769N FireLock NXT™
Itm Double Interlock Preaction System - Detailed Analysis & Overview
A detailed animation of Viking's Viking F-1 This video visually illustrates the step-by-step actuation of the Tyco Model DV-5A The Victaulic Series 769N FireLock NXT™ ... the control valve down quite a bit you don't want to introduce water into the system a
