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ABOUT COVNA

COVNA, Headquartered in Dongguan, is one of the top manufacturers of quarter turn actuators and automatic control valves in China. We offer the most comprehensive line of fluid control solutions for a wide range of industry-focused applications.

COVNA utilizes the latest edition of SOLIDWORKS CAD and PRO/E system for valve design purposes. The system allows the Company to export drawings and datasheets to standard MS-Windows PC for an easy and accurate use by the various departments.

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Designing & Moulding

COVNA always put quality as the first consideration. All COVNA fluid control valves are designed, engineered and manufactured by experienced industry engineers to provide safe, reliable, dependable and affordable valves, actuators and solutions.

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Engineering & Testing

Innovation has been one of our primary concepts in product development, the latest manufacturing technologies have been employed to provide both quality and performance on every product produced.  

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Innovative & Creative

While actively developing its valve business, COVNA does not forget to give back to the community at the same time, because we know very well that we are a community with a shared future. Here’s the video of COVNA 3rd Donation Activities:  

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Social Responsibility
NEWS RELEASES

Discover the latest corporation news about the COVNA, and explore articles on water & waste water treatment, bumps & valves, and the innovations driving us forward.

This early autumn, the team of COVNA One Belt And One Road set off again from the headquarters in China. After a 10-hour long flight, they arrived in the Russian capital Moscow with great excitement. On this trip, we will take the COVNA INSIGHT to visit old customers who have been cooperating for many years […]

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COVNA Valve One Belt One Road in Russia

COVNA, as a professional Multi-turn Electric Actuator manufacturer over 20 year, we aim to provide the customer the first class quality valve product, automated valve control solution and service. GO TO>>> multi-turn electric actuator page Product Description: Multi-turn electric actuator valves, collectively known as z series actuators, are driving equipment for valves to achieve opening, […]

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Multi-turn Electric Actuator Control Valve Manufacturers

COVNA GROUP provide all types of gate valves, also can be equipped with electric actuator or pneumatic actuator. The gate valves have the characteristics: Low fluid resistance Applicable pressure and temperature range, etc. It is one of the most commonly used cut-off valves, used to cut off or connect the medium in the pipeline. Diameter […]

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What are the characteristics of Gate Valves

The founder of COVNA – Mr. Bond said: ” I recollected that day when I started with only a few people and very limited resources. From a small pipe fitting and valve accessories shop and has been developed to today’s scale, exporting automatic control valve to overseas countries and regions, the company has experienced a […]

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The Development History Of COVNA
INDUSTRY MAGAZINE

COVNA INDUSTRY INSIGHT MAGAZINE is one of the important part of COVNA value-added services for clients at home and abroad. Yes, we also serve overseas customers!

The third issue of COVNA INDUSTRY INSIGHT MAGAZINE was printed On Oct. 21st, reporting the events of the year of COVNA and how the valve world become when connecting to 5G network. 

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The 3rd Issue Industry Insight Magazine

The second issue of COVNA INDUSTRY INSIGHT MAGAZINE was published On Mar. 23th, bringing us the latest development report of process valve applied in water & water treatment, nuclear & refining industry, etc. 

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The 2nd Issue Industry Insight Magazine

The COVNA INDUSTRY INSIGHT MAGAZINE made its first appearance on Jun.22nd, 2018. The MAGAZINE is an high-grade shiny print magazine and digital publication that provides in-depth & up-to-date coverage and analysis of research & development of fluid control valve concerning water & waste water treatment, food industry, chemicals, pharmaceuticals, marine and other industrial applications. 

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The 1st Issue Industry Insight Magazine
TRAINING

The company’s rapid development can not be separated from well-educated and trained staff, COVNA pay special attention to the cultivation of staff skills and knowledge.

Pneumatic actuator, which use compressed air to drive valve switches or regulate the flow of media. They are also called air operating or pneumatic devices, generally used in conjunction with valves.   Double-acting pneumatic actuator: Simplyput, double-acting cylinders have both A and B port. This means that oil enters the cylinder through port A, pushing […]

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The difference between Single-Acting and Double-Acting (Pneumatic Actuator)

Whenever a gas or liquid is used as a working fluid for a machine, it is transported under pressure, regardless of its size. Sometimes the pressure in these systems and interconnecting pipes can be so large that a rupture can cause catastrophic damage or even death. This was the main cause of the failure of […]

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The Difference Between a Safety Valve and Relief Valve

  Gearbox Operation Gearbox Operation is the one of the Driving Method of valves. Owing to the high gear rate, this kind of valve has the advantages of large output torque, easy operation and so on. They are widely used in rotary valves. The gear formed by the self-locking mechanism is suitable for triple offset […]

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Most Common Driving Method for Ball Valve and Butterfly Valve
FAQ

Check our overseas customers frequently asked questions.

  • When can I get the price?

    We usually quote within 3 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.

  • How can I get a sample to check your quality?

    After price confirmation, you can require for samples to check our quality. If you just need a blank sample to check the design and paper quality, we will provide you sample for free, as long as you afford the express freight.

  • How long can I expect to get the sample?

    After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-7 days. The samples will be sent to you via express and arrive in 3-5 workdays. You can use your own express account or prepay us if you do not have an account.

  • How long does the whole procedure being worked out?

    After you place a order,the production handling time is about 45-60 days. We need 15 days to prepare all the stuff then 30 days for manufacturing.

  • What about the transportation and delivery date?

    Normally we use shipment to transprot the goods.It is about 25-40 days. It also denpends on which coutry and port you are. It could be shorter if you need to send the goods like Asian. If there are some emergencies we can send the goods via air express, as long as you afford the traffic expense.

  • Do you offer discounted products?

    Yes, we have promotion products from time to time, subscribe to us so that you won't miss it!

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