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COVNA at NEFTEGAZ, Moscow: Electric and Pneumatic Valves – Come to Our Booth as Well As Our Office

COVNA is thrilled to participate in NEFTEGAZ Moscow, showcasing cutting-edge electric and pneumatic valves for the oil & gas industry. Visit our booth to explore tailored solutions, and join us at our new Moscow office for deeper discussions on localized support and partnerships.

Welcome to NEFTEGAZ 2025 Exhibition Highlights

COVNA sincerely invites you to attend the NEFTEGAZ 2025 international exhibition, which will be held at the EXPOCENTRE exhibition hall in Moscow from April 14 to 17, 2025. The exhibition will bring together the latest technologies, products and trends, providing an excellent platform for communication and cooperation for industry insiders. The COVNA team looks forward to meeting you face to…

Safety valve: the core component of industrial equipment safety protection

This article systematically analyzes the key role and technical characteristics of safety valves as core components of industrial safety. Safety valves ensure the safe operation of pressure vessels and systems by automatically releasing overpressure media (gas, liquid or steam). Their working principle is based on precise spring force or lever counterweight design. When the pressure exceeds the preset set pressure…

COVNA Solenoid Valves: Precision Fluid Control Solutions for Global Industries

As China's leading solenoid valve manufacturer, COVNA empowers global industrial fluid control with innovative technology and excellent reliability. Our solenoid valves are made of brass, stainless steel and engineering plastics, support multiple sizes and connection methods from 3/8″ to 2″, are suitable for media such as water, oil, gas, chemicals, etc., and provide full voltage coverage from 12V DC to…

Electric Control Valves: Precision Flow Management for Modern Industries

Electric control valves revolutionize industrial flow management by combining precision, automation, and energy efficiency. Flow control valve electrical systems integrate seamlessly with IoT and PLCs, allowing real-time adjustments without human intervention. Electric flow control valves feature corrosion-resistant materials for exceptional durability, reducing long-term maintenance costs. For heavy-duty hydraulic applications, electric hydraulic control valves ensure precise pressure regulation in demanding environments…