Ventile Wilkins 1/2" 975XL Reduced Pressure Principle Backflow
Wilkins 975Xl Spec Sheet. The reduced pressure principle backflow. Web 8 rows discharge from the relief valve for flood detection.
The reduced pressure principle backflow. Web 8 rows discharge from the relief valve for flood detection.
The reduced pressure principle backflow. Web 8 rows discharge from the relief valve for flood detection. The reduced pressure principle backflow.
