Automatic control valves, as described by EN 1074-5: “have the integral capability to control the function using energy from the conveyed water by adjusting the position of the obturator. They can be directly operated, i.e. the force is applied (via a spring or diaphragm) directly to the obturator. They can be pilot operated, i.e. the force is applied through an adjustable pilot valve”.

Design standard: EN 1074-1, EN 1074-5
Face to face: EN558-1
Flanges: EN 1092-2
Tests: EN 12266-1

Surface protection:
FBE coating process with epoxy resin powder of blue colour RAL 5015 and thickness 250 μm.