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  • What is an Electric Valve Actuator

    2025-04-24

    What is an Electric Valve Actuator?The Complete Guide for Engineers, Technicians, and Valve BuyersElectric valve actuators are a cornerstone of modern fluid control systems—yet for many, they remain a mystery. If you’ve ever wondered what is an electric valve actuator, how it works, and why it matte Read More
  • How to Convert Manual Valve to Electric: A Complete Guide for 2025

    2025-04-24

    How to Convert Manual Valve to Electric: A Complete Guide for 2025In today's automated industrial environments, manual valves are increasingly being replaced or retrofitted with electric actuators to enhance efficiency, safety, and remote control capabilities. But how do you actually convert a manua Read More
  • What is a Butterfly Valve

    2025-04-21

    What is a Butterfly Valve? A Comprehensive Guide for Industrial ApplicationsTarget Keywords:Primary: "What is a Butterfly Valve"Secondary: "How does a butterfly valve work", "Types of butterfly valves", "Applications of butterfly valves", "Benefits of butterfly valves", "Butterfly valve vs gate valv Read More
  • How To Open Butterfly Valve

    2025-04-15

    Title: How to Open a Butterfly Valve: Step-by-Step Guide + Expert TipsMeta Description: Learn how to open a butterfly valve safely and efficiently. Discover step-by-step instructions, troubleshooting tips for stuck valves, and why choosing high-quality valves matters.IntroductionButterfly valves are Read More
  • Do Butterfly Valves Have a Flow Direction

    2025-04-11

    When purchasing valves, many people only specify the valve specifications, type, and working pressure. However, in today’s market economy, this approach is incomplete. Valve manufacturers develop their own enterprise standards and product characteristics based on unified design concepts to enhance c Read More
  • Can Butterfly Valves Be Used For Throttling

    2025-04-07

    When purchasing valves, many people only specify the valve specifications, type, and working pressure. However, in today’s market economy, this approach is incomplete. Valve manufacturers develop their own enterprise standards and product characteristics based on unified design concepts to enhance c Read More
  • How Many Turns To Close A Butterfly Valve

    2025-04-01

    Title: How Many Turns to Close a Butterfly Valve? (90° vs. Multi-Turn Explained)Title: How Many Turns to Close a Butterfly Valve? (90° vs. Multi-Turn Explained)Meta Description: Most butterfly valves close in 90° (¼ turn), but some require multiple rotations. Learn why and discover valves designed f Read More
  • Do Butterfly Valves Need Gaskets

    2025-03-22

    How to Open a Butterfly Valve – A Complete Guide for Safe and Efficient OperationButterfly valves are widely used in industries such as water treatment, chemical processing, and HVAC systems due to their compact design and efficient flow control. Whether you’re operating a manual, electric, or pneum Read More
  • Are Butterfly Valves Bidirectional

    2025-03-21

    When purchasing valves, many people only specify the valve specifications, type, and working pressure. However, in today’s market economy, this approach is incomplete. Valve manufacturers develop their own enterprise standards and product characteristics based on unified design concepts to enhance c Read More
  • How To Measure Butterfly Valve Size: A Step-by-Step Guide

    2025-03-21

    When purchasing valves, many people only specify the valve specifications, type, and working pressure. However, in today’s market economy, this approach is incomplete. Valve manufacturers develop their own enterprise standards and product characteristics based on unified design concepts to enhance c Read More
  • Lug vs Wafer Butterfly Valves: A Technical Comparison of Design, Performance, and Applications

    2025-03-21

    When purchasing valves, many people only specify the valve specifications, type, and working pressure. However, in today’s market economy, this approach is incomplete. Valve manufacturers develop their own enterprise standards and product characteristics based on unified design concepts to enhance c Read More
  • Gate Valve vs Butterfly Valve: Key Differences and How to Choose

    2025-03-21

    When purchasing valves, many people only specify the valve specifications, type, and working pressure. However, in today’s market economy, this approach is incomplete. Valve manufacturers develop their own enterprise standards and product characteristics based on unified design concepts to enhance c Read More
  • COVNA Group 2025 Annual Celebration: “Embrace Dreams, Create the Future” a Grand Success

    2025-01-20

    On January 18, 2025, COVNA Group hosted its highly anticipated annual celebration, themed “Embrace Dreams, Create the Future.” Set against the serene beauty of a winter day, the event featured a romantic Western-style atmosphere, blending interactive excitement with a soothing musical party to creat Read More
  • COVNA Group 2024 Annual Summary and 2025 Strategic Planning Meeting Held Successfully

    2025-01-20

    On January 18, 2025, COVNA Group held its 2024 Annual Summary and 2025 Strategic Planning Meeting. Looking back on 2024, the global economy showed slow recovery, with high unemployment rates and market uncertainties posing significant challenges for businesses. However, under the leadership of Found Read More
  • Winter Hotpot Adventures — COVNA’s Warm Secret Recipe

    2025-01-19

    Our weekly “Hotpot Day” event has become a vibrant tradition in our company during the winter, making the cold season much more enjoyable. This activity not only adds a festive atmosphere to our year-end sprint but also ignites the enthusiasm of each team member. Hotpot Day inspires collaboration, c Read More
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