Country Manager : Asli CIVAN 
Wey is a brand of the company Sistag that has been setting standards in the production of high-quality shut-off valves since 1956. Wey products, including knife gate valves, rotary valves, and water control shutters, are known for their reliability, 100% leak-tightness, and ability to perform in the most demanding industries worldwide. Wey combines engineering precision with a global approach, providing customers with exceptional quality and support.
We supply the full range of WEY SISTAG equipment, ensuring reliability and efficiency in the most demanding industries—from mining to water treatment.
Key WEY SISTAG Products We Offer:
- Knife Gate Valves
The ideal solution for handling abrasive slurries, viscous media, and suspensions with a high solid content. The design of WEY SISTAG valves ensures superior shut-off, long service life, and minimal maintenance. - Rotary Valves
We select and supply WEY SISTAG rotary feeders and valves for precise dosing and air-lock functions in pneumatic conveying systems. Their high accuracy and wear resistance guarantee the stability of your production processes. - Water Control Shutters
This equipment is designed for precise control of water level and flow in hydraulic structures, wastewater treatment plants, and flood protection systems. WEY SISTAG offers engineered solutions built for decades of flawless service.
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Why Choose WEY SISTAG Through Our Company?
- Swiss Quality: WEY SISTAG products meet the most stringent international standards.
- Expert Selection: Our engineers will help you select the exact valve or shutter model that is optimally suited to your specific process conditions.
- Comprehensive Service: We provide not only supply but a full range of services—from engineering calculations and design to installation and after-sales support.
- Proven in Key Industries: WEY SISTAG equipment has proven its effectiveness in mining, pulp and paper, power generation, as well as in water and wastewater treatment systems.
Ensure the uninterrupted operation of your production with reliable WEY SISTAG equipment. Contact us for a consultation and to find your optimal solution.
