25 Years Focus On Smart Valve
COVNA have been in smart valve & process control industry since 2000
Who Are We?
Company Profile COVNA, your best partner of flow control actuator valves.
COVNA originated from German technology, has its own R&D, design, production, sales team, and aims to be the global automation application service provider.Create since 2000, We first started as a solenoid valves manufacturer.Over decades of research and development, COVNA has become the China market leader in quarter turn actuator and automatic control valve products.
COVNA Cloud Configuration Control System
Introduction to COVNA Smart Valve
COVNA WiFi Valve
The COVNA WiFi Valve is an IoT-enabled solution designed for industrial and agricultural applications, offering seamless remote management via mobile WiFi, Bluetooth, or web-based platforms. Operating on DC12V/24V power, it supports unlimited-distance control through internet connectivity, enabling functions like open/close commands, timer scheduling, and delay operations. Compatible with global WiFi standards (802.11b/g/n at 2.4GHz), its compact WiFi module (50×45×35 mm) ensures easy integration into existing systems. Ideal for industrial automation, agricultural irrigation, and smart infrastructure, this valve combines low-cost efficiency with flexible, real-time control—allowing users to monitor and adjust flow from anywhere, while maintaining durability in demanding environments.
COVNA Remote Control Valve
The COVNA Remote Control Valve is a versatile solution designed for high-altitude and hazardous environments, offering multi-voltage compatibility (DC12V/24V or AC220V/380V) and wireless operation via mobile WiFi or Bluetooth within a 100–300 meter range. Equipped with essential functions like open/close, timer scheduling, and delay operations, it ensures precise flow control in chemical plants, agricultural irrigation systems, and other critical industries. Its user-friendly interface caters to operators of all ages, while eliminating geographical limitations for seamless remote management. Built to thrive in challenging conditions, this valve combines rugged durability with smart automation, delivering safe, efficient performance where traditional manual control falls short.
COVNA 4G Valve
The COVNA Valve Control Conversion Module simplifies DC12V/24V valve system installations with its compact design (210×310×17 mm) and versatile functionality. Operating at 5–10A current, it supports single-wire open/close switching and dual-wire interruptible control, enabling seamless integration while reducing traditional 3-wire setups to 2-wire configurations. This innovation minimizes wiring complexity, accelerates installation, and enhances system reliability by eliminating redundant connections. Ideal for industrial automation, fluid control, or energy management applications, the module delivers a user-friendly solution for optimizing DC valve systems—ensuring cost efficiency, simplified logic, and robust performance in demanding environments.
COVNA Valve Control Conversion Module
The COVNA Valve Control Conversion Module simplifies DC12V/24V valve system installations with its compact design (210×310×17 mm) and versatile functionality. Operating at 5–10A current, it supports single-wire open/close switching and dual-wire interruptible control, enabling seamless integration while reducing traditional 3-wire setups to 2-wire configurations. This innovation minimizes wiring complexity, accelerates installation, and enhances system reliability by eliminating redundant connections. Ideal for industrial automation, fluid control, or energy management applications, the module delivers a user-friendly solution for optimizing DC valve systems—ensuring cost efficiency, simplified logic, and robust performance in demanding environments.
COVNA RS485 Communication Valve
The COVNA RS485 Communication Valve is engineered for seamless integration into advanced automation networks, supporting AC220V, DC24V, and DC12V power inputs with load capacities up to 200W (AC220V) or 120W (DC24V/AC24V). Built to endure harsh environments, it operates reliably across a wide temperature range (-25°C to +75°C) and delivers exceptional accuracy (≤0.1%) for precise flow or pressure control. Equipped with RS485/Modbus-RTU protocols, this compact unit (70×55×37 mm) enables real-time communication with PLCs, SCADA systems, and IoT platforms, ensuring centralized monitoring and adaptive adjustments. Ideal for industrial automation, water treatment, or energy management, it combines rugged durability with smart connectivity, empowering users to optimize efficiency and maintain control in mission-critical applications.
COVNA Automatic Solar Tracking System
The COVNA Automatic Solar Tracking System optimizes solar energy generation by intelligently detecting and aligning with the sun’s position in real-time, boosting photovoltaic efficiency by over 100% while reducing required panel area by ≥50%. Designed for low-light environments or space-constrained installations, this system operates on DC12V/24V power with low energy consumption (8–20W) and features a slim, durable design (410×300×18 mm). Its multi-directional tracking (East, West, South, North) ensures maximum sunlight capture throughout the day, making it ideal for agricultural solar farms, aquaculture facilities, and off-grid applications. By minimizing hardware footprint and maximizing energy output, COVNA empowers industries to achieve sustainable, cost-effective solar solutions without compromising performance.
WHY CHOOSE US
Our wide range of products comprises of Control Valves, Ball Valves (Metal to Metal Seated & Soft Seated), Cast Steel Gate , Globe & Check Valves, Pressure Seal Type Gate , Globe & Check Valves, Butterfly Valves (Concentric , Double Offset & Triple Offset Design), Dual Plate & Single Plate Check Valves, Knife Gate Valves, Diaphragm Valves, Pressure & Safety relief valves as per client’s specific requirements in size ranging from ½” to 36″ & pressure rating from 150# to 2500#.
We are professional
Our wide range of products comprises of Control Valves, Ball Valves (Metal to Metal Seated & Soft Seated), Cast Steel Gate , Globe & Check Valves, Pressure Seal Type Gate , Globe & Check Valves, Butterfly Valves (Concentric , Double Offset & Triple Offset Design), Dual Plate & Single Plate Check Valves, Knife Gate Valves, Diaphragm Valves, Pressure & Safety relief valves as per client’s specific requirements in size ranging from ½” to 36″ & pressure rating from 150# to 2500#.
We are trusted
Our wide range of products comprises of Control Valves, Ball Valves (Metal to Metal Seated & Soft Seated), Cast Steel Gate , Globe & Check Valves, Pressure Seal Type Gate , Globe & Check Valves, Butterfly Valves (Concentric , Double Offset & Triple Offset Design), Dual Plate & Single Plate Check Valves, Knife Gate Valves, Diaphragm Valves, Pressure & Safety relief valves as per client’s specific requirements in size ranging from ½” to 36″ & pressure rating from 150# to 2500#.
We are expert
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