Armaş “DIF” model Differential Pressure Sustaining Valve is the hydraulic control valve which maintains a preset pressure differential between its upstream and downstream sides. Required upstream pressure can be adjusted by the pilot easily. The valve can control heating and cooling systems, booster pump discharge, bypass lines, filters and other similar systems.
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)