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COVNA Pneumatic Actuator Technology Introduction
Blog, Valves Study,

COVNA Pneumatic Actuator Technology Introduction

Pneumatic actuators is another name for pneumatic device, which is a device that translates the energy from a compressed air supply into a linear or rotary movement to open and close or modulate valves. This article describes the various technical requirements of the pneumatic actuator. COVNA pneumatic actuator with spring return & double return can […]

Oct.12.2020
Valve Drive Inspection and Test
Blog, Valves Study,

Valve Drive Inspection and Test

1. For valves driven by gears and worm gears, the transmission mechanism should be inspected and cleaned according to the following requirements: Worm and worm gear should mesh well, work lightly, and have no jamming or excessive wear; The gear meshing surfaces and bearings of the open mechanism should be cleaned and filled with grease; […]

Oct.09.2020
Valve Electric Device Electric Actuator
Blog, Valves Study,

Valve Electric Device Electric Actuator

Valve Electric actuator is a device that uses electricity to drive opening and closing or adjusting valves. The valve electric device is an indispensable driving device to realize valve program control, automatic control and remote control. Its movement process can be controlled by the stroke, torque or axial thrust. The working characteristics and utilization of […]

Oct.09.2020
Classification of Valve Electric Devices
Blog, Valves Study,

Classification of Valve Electric Devices

Compared with other valve drive devices, electric drive devices have the characteristics of wide power sources, quick and convenient operation, and easily meet various control requirements. Therefore, in the valve drive device, electric devices dominate. According to the input mode, the valve electric device is divided into two types: multi-turn (Z-type) and partial-turn (Q-type). The […]

Oct.08.2020
Valves and Automation
Blog, Valves Study,

Valves and Automation

In order to successfully realize process automation, the most important thing is to ensure that the valve itself can meet the special requirements of the process and the medium in the pipeline. Usually the production process and process medium can determine the type of valve, the type of valve core, and the structure and material […]

Oct.08.2020 Tags: COVNA valves
How to Choose Valve Electric Device Correctly?
Blog, Valves Study,

How to Choose Valve Electric Device Correctly?

The valve electric device is an indispensable device to realize valve program control, automatic control and remote control. Its movement process can be controlled by stroke, torque or axial thrust. Because the working characteristics and utilization of the valve electric device depend on the type of valve, the working specification of the device and the […]

Oct.08.2020

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