Strategic partner

Global series

Exhibitor List

Country China
Products Pipes and pipe fittings
Hall N1
Booth A82
Introduction COVNA Industrial Automation Co., Ltd. was established in 2000, an automated valve specialist. Headquartered in Dongguan China, with 3 production bases located in Ningbo, Wenzhou and Dongguan. In order to ensure the quality and performance of your products, we have been certified by ISO9001, CE, RoHS, TÜV, FDA and gained more than 30 patents to prove our professionalism in valve research, development and valve knowledge.
COVNA adopts German technology and processes to manufacture automated actuators with our own R&D department to provide automation solutions for different industries.


CT4-QT Explosion-proof Flange Ball Valve
Explosion-proof electric ball valve is a rotary ball valve by luring 90°, with the characteristics of good sealing performance. Not easy to explode even working in harsh environments. Such as gas, LPG industry.Equipped with explosion-proof electric actuator, it has first-class explosion-proof performance and remote control. Suitable for use in hazardous industries, such as oil refining, oil & gas, diesel pipelines, etc. to help your projects increase productivity and reduce the chance of injury.
Electric Sanitary Ball Valve
Electric Sanitary Ball Valves are valves designed for use in food, beverage, pharmaceutical, personal care and pet care applications where hygiene and contamination prevention are important . They are typically actuated using an electric pilot valve or manual on/off valve (not included). These valves are typically constructed from stainless steel or other corrosion-resistant materials and are available in sizes ranging from 1/2" to 6" with tri-clamp, threaded, or welded end connections. Electric Sanitary Ball Valves offer precise control, long life, and easy maintenance and are ideal for controlling and modulating the flow of water, air, oil, and gas.
Pneumatic Wafer Butterfly Valve
COVNA Pneumatic Wafer Butterfly Valves provide you with a durable and reliable fluid control solution. The advantage is that the stainless steel material provides a rust-free solution, the wafer connection is easy to install, and the size range is large to meet the needs of various pipelines. More importantly, we can replace the valve material, seal material, etc. according to your needs to perfectly match your needs.Used with pneumatic actuators, it can increase the efficiency of project generation and realize industrial automation.
Electric PVDF Ball Valve
PVDF (Polyvinylidene fluoride) is a highly durable and corrosion-resistant thermoplastic material commonly used in the manufacturing of ball valves for various industrial applications. Electric PVDF ball valves, also known as electrically actuated PVDF ball valves, are ball valves that use an electric motor to rotate the ball and control the flow of fluids or gases through the valve.
Electric PVDF ball valves offer several advantages over manually operated valves, including precise control over the flow rate and direction, as well as remote operation capabilities. They are commonly used in chemical processing plants, water treatment facilities, and other industrial applications where highly corrosive or aggressive fluids are present.

Pneumatic 3-Piece Ball Valve
Pneumatic 3-piece ball valve with features of anti-corrosion, easy to install, easy to repair and long lifespan. What’s more, this valve could custom into tri-clamp, flanged or welded connection. The three-piece ball valve can be customized into threaded connection, flange connection, clamp connection and welded connection according to your pipeline requirements to meet your connection needs.
Stainless Steel Pneumatic Flange Ball Valve
Pneumatic flanged ball valve has the advantages of easy installation, easy maintenance, full diameter and large flow. It can be customized to ANSI standard, JIS standard, GB standard or DIN standard according to your piping needs.The advantages of pneumatic actuators are explosion-proof, safety, fast response and low cost. Furthermore, it can be used with pneumatic accessories to realize remote control and help you improve production efficiency.
2w21 Brass Solenoid Valve
2w21 brass solenoid valve is a type of solenoid valve that is constructed of brass material. Brass is a popular material for solenoid valves because of its corrosion-resistant properties and suitability for higher temperature projects. Brass Solenoid valves are electromechanically actuated valves that are used to control the flow of liquids or gases in a wide range of applications. Brass solenoid valves can be either two-way or three-way, and they are typically available in normally closed or normally open configurations. They are commonly used in industrial, commercial, and laboratory settings where precise control of fluids is necessary. Brass solenoid valves are reliable, durable, and easy to install and maintain, making them a popular choice for many applications.
2w21 Stainless Steel Solenoid Valve
2W21 stainless steel solenoid Valve can open from 0 bar with a large flow rate. Harder valve body with a heat-resistant coil. This item can support high voltage. Available in normally open and normally closed. G and NPT threads are available.
High Pressure Solenoid Valve
High pressure solenoid valve with pilot-operated piston construction for compress air machine, injecting plastic machine. Suitable for boiler industry, carwashing machines, cleaning machinery, spraying machinery, and so on.
Sanitary Solenoid Valve
Sanitary solenoid valves are a type of solenoid valve used in the food and beverage industry to control the flow of liquids in a hygienic manner. These valves are typically made of stainless steel and have a smooth, crevice-free design that makes them easy to clean and sanitize. As mentioned in [1], they are commonly used to control the flow of liquid ingredients in the production of food and beverages, such as dairy products, soft drinks, and beer. Sanitary solenoid valves are available in a range of sizes, materials, and configurations, including 2-way and 3-way valves with normally closed or normally open positions. They are designed to meet strict hygiene and safety standards and are an essential component in many food and beverage production processes.
Anti-corrosion Solenoid Valve
An anti-corrosion solenoid valve is a valve that has been designed to resist corrosion from acidic, alkaline, and other corrosive liquids. It typically consists of a metal body with a corrosion-resistant coating, and is equipped with a corrosion-resistant solenoid. It is commonly used in applications such as chemical processing, water treatment, and food and beverage production, where corrosive fluids are present. The main advantage of an anti-corrosion solenoid valve is that it can withstand corrosive media and provide reliable performance in hostile environments.
Three-piece Manual Ball Valve
A three-piece manual ball valve is a type of valve that consists of three separate components: a body, a ball, and two end caps. The end caps are connected to the body by threaded connections, while the ball is held in place by a stem that is connected to the end caps. These valves are used to control the flow of liquids or gases, and can be operated by hand or with an actuator. When the ball is turned, it either blocks the flow of liquid or gas or allows it to pass through, thus controlling the flow. Three-piece ball valves are typically used in industrial processes, such as controlling the flow of oil, gas, or water, and can also be used for controlling the flow of steam, chemicals, and corrosive fluids.
Manual Flange Ball Valve
A Manual Flange Ball Valve is a valve which has a round closure element with matching male and female facing parts which are designed to fit together in a flanged connection. The closure element is typically a ball which rotates within a socket to control the flow of the medium through the valve. Manual Flange Ball Valves are commonly used in industrial applications such as oil & gas, chemical, and water & wastewater, and can be operated either manually or by an automated actuator mechanism. When manually operated, the valve is opened and closed by turning the ball with a valve handle, which can be used to adjust the flow rate of the medium through the valve.
Plastic Electric Butterfly Valve
Plastic electric actuated butterfly valve with compact structure design to save installation place. Advantages of plastic actuated butterfly valve include low weight, low cost, large size range, high flow, anti-corrosive. Applied in various industries such as wastewater treatment, irrigation and other applications.
Available in signal control, Bluetooth control, wireless control and manual override to help you control the valve locally or remotely.

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