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The Function and Features of High Pressure Solenoid Valve
Blog, Valves Study,

The Function and Features of High Pressure Solenoid Valve

COVNA, as a professional and trusted high pressure solenoid valve manufacturer and supplier, has a wide variety of high pressure valves for industrial applications requiring high pressure flow control conditions for automatic control. COVNA High Pressure Solenoid Valves Function: The COVNA solenoid valves are used to control the flow direction in high-pressure water applications. The […]

Dec.03.2020 Tags: high pressure solenoid valve fearures
True Union/ Thread/ Flanged/ Tri-clamp Pneumatic Ball Valves
Blog, Valves Study,

True Union/ Thread/ Flanged/ Tri-clamp Pneumatic Ball Valves

Pneumatic actuated valve manufacturer & supplier with 20 years experience in China. COVNA pneumatic actuator ball valve with an innovative optimized design has a beautiful and compact appearance and modern modeling, and adopts new material and new technology to ensure that the valve has the good quality, good product performance, more reliable, more economical, more […]

Nov.27.2020
Electric Actuator vs Pneumatic Actuator
Blog, Valves Study,

Electric Actuator vs Pneumatic Actuator

Electric actuators: Two movment code: angular stroke and linear stroke. It often equipped with ball valves, butterfly valve, globe valve and gate valves; AC or DC current as the driving energy; The advantage is fast signal transmission speed, long transmission distance, easy centralized control, high sensitivity and precision, easy to cooperate with electric adjustment instruments, […]

Nov.24.2020
How to Choose the right electric actuator for valve?
Blog, Valves Study,

How to Choose the right electric actuator for valve?

In pipeline project, the correct selection of electric actuated valves is  a necessary to guarantee the project’s safety and process. If the electric actuator valve used incorrectly, it will not only affect the use, but also bring unfavorable consequences or serious losses. So, how do we choose electric valves correctly? Fisrt of all, we need […]

Nov.19.2020
PVC/ Flanged/ Wafer/ Lug/ Sanitary/ Pneumatic Butterfly Valve
Blog, Valves Study,

PVC/ Flanged/ Wafer/ Lug/ Sanitary/ Pneumatic Butterfly Valve

COVNA, as a pneumatic actuated butterfly valve manufacturer, we specialized in manufacturing air operated butterfly valve since 2000. COVNA’s pneumatically controlled butterfly valve are used to control the flow of a media remotely, quickly and safely. There are two type actuation modes: Spring return pneumatic actuator also called single acting pneumatic actuator: Air to open […]

Nov.18.2020
Explosion Proof Electric Actuator Introduction
Blog, Valves Study,

Explosion Proof Electric Actuator Introduction

COVNA, as a electric actuator manufacturer, we manufactures explosion proof electric actuator for ball valve, butterfly valve, gate valve, globe valve. Special warning 1. 1n order to keep performance of protection class, users must operate in accordance with ” instruction manual” and the “special wa1mings “. Users take responsibilty for incorrect operation and operation without […]

Nov.16.2020

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