Doruk Endustri Malz. Muh. Ltd. Sti. (PROVAL)

Doruk Endustri Malzeme Muhendislik Ltd. Sti. manufactures valves and actuators in Turkey under the PROVAL brand, delivering reliable process control solutions to users in more than 90 countries across five continents. Its valve range covers butterfly, ball, knife gate, diaphragm, hydraulic control, check, Y-type, safety, pressure reducing and relief, pinch, globe control and plug valves, compensators, solenoid valves, tank bottom valves, strainers, hygienic butterfly valves and dismantling parts.

On the actuation side, the company produces pneumatic actuators and accessories, electric actuators including the A100 PROEx explosion-proof quarter-turn series for flammable gas and dust atmospheres and the A100 Compact series for butterfly, ball, plug and damper duties, hydraulic actuators and manual gear boxes, together with complete pneumatic, hydraulic and electrically actuated valve control systems and ATEX-certified Namur solenoid valves for hazardous areas.