Armaş “FE” model excessice flow shut-off control valve is activated by the line pressure. The valve is a hydraulic control valve closes drip tight when flow rate exceeds the set value. The valve is fully open when flow rate is below the set rate. A differantial 3 way pilot valve and orifis are on valve which immediately closes drip tihgt itself when flow rate exceeds the set value. This feature allows prevent waste water such as burst pipe damage. The valve is open manual after auto closing. It is set auto after the fully opening will be provided.
The valve will be direct diaphragm closing automatic hydraulic control valve which works with line pressure. No wearable parts such as stem, bearing and seat exist in main valve body. The valve position will be controlled by a hand operated selector valve.
Valve size same as main line or one size smaller. Maximum flow speed for continuous operation 5.5 m/sec (18 ft/sec)
