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How to choose butterfly valve and ball valve
Blog, Valves Study,

How to choose butterfly valve and ball valve

This time we’ll explain how to choose a butterfly valve versus a ball valve. What are the factors to consider when choosing. Before that, let’s understand the ball valve and butterfly valve. Ball valves and butterfly valves are considered some of the simplest control valves in the market. They are compatible with different fluid mediums […]

Dec.02.2022 Tags: Motorized valve Tags: pneumatic ball valve Tags: pneumatic butterfly valve
What is better about pneumatic control valves than motorized control valves?
Blog, Valves Study,

What is better about pneumatic control valves than motorized control valves?

Here we discuss the aspects of pneumatic control valves that are better than electric control valves. Before that, we need to explain pneumatic control valves vs. electric control valves. What is a Control Valve? Control Valve is a device that is used to regulate or manipulate fluid flow. It surrenders all control over the fluid […]

Nov.11.2022 Tags: Pneumatic control valve
Troubleshooting of Solenoid valve
Blog, Valves Study,

Troubleshooting of Solenoid valve

When installing or using the solenoid valve, you may encounter some problems. Below we at COVNA bring you common faults and solutions for low solenoid valves. Valve fails to operate Possible reason and solutions： Check electrical supply with volt meter. Voltage must agree with nameplate rating. Check coil with ohmmeter for shorted1or opened coil. Make […]

Oct.28.2022 Tags: solenoid valve
Troubleshooting of motorized valve
Blog, Valves Study,

Troubleshooting of motorized valve

In the process of installing or using electric valves, it is possible that you may encounter some valves that do not work properly. Below we COVNA list the common failures and solutions for you. Motor does not start Possible reason： Lacking of power supply. Solution: Connect the actuator to power supply. Electric wire broken, wiring […]

Sep.23.2022 Tags: Motorized valve
How does a pneumatic valve work?
Blog, Valves Study,

How does a pneumatic valve work?

You may have heard of hydraulics, which utilizes pressure from fluids for automation, but have you heard of its cousin, pneumatics? Pneumatics provide valuable tools and actions for a plethora of industries, but the pressurized systems require several safety components. A pneumatic valve is one of them. If you utilize pneumatics in your career, it’s […]

Sep.12.2022 Tags: pneumatic valve
Pneumatic Valves Questions & Answers
Blog, Valves Study,

Pneumatic Valves Questions & Answers

Q1: What is the function of a pneumatic valve? A: Pneumatic valves can control the pressure, flow and direction of the medium in the pipeline Q2: What are the types of pneumatic valves? A: Direction control valves, Flow control valves, and Pressure control valves Q3: Can a pneumatic control valve regulate flow and pressure? A: […]

Aug.26.2022 Tags: pneumatic valve

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