COVNA Industrial Automation Co., Ltd. has started construction!

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First of all, I wish our COVNA customers good business. After the Spring Festival, we all return to the workplace one after another. We have started our journey to work, and we will continue to promote our COVNA valve brand to the world. Choosing COVNA = choosing safety. We will continue to provide you with …

COVNA’s 16th Environmentally Friendly New Energy Salon in 2023 concluded successfully

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COVNA—New environmental protection, new situation, new development The conference brought together authoritative experts in the field of domestic environmentally friendly new energy, industry elites, and representatives from industry-leading scientific research institutes and leading enterprises to discuss industrial development paths and build a win-win cooperation and exchange mechanism. In order to promote the development of the …

COVNA-The 16th of the Greater Bay Area Environmental Protection New Energy Salon Association

Dear friendsWish everything good!Our group company Covna is going to hold the 16th Salon activity in October. We sincerely invite you to participate.The following is the activity information:Time: October 14, 2023Venue: Royal Marina Plaza hotel, Panyu district, Guangzhou city, Guangdong province, ChinaOrganizer: COVNA Group Co.Ltd.Objects: water treatment industry, environmental protection industry, mechanical equipment industryIf you …

What are the optional accessories of the pneumatic valve?

Valve positioner Valve positioner is the main accessory of the pneumatic actuator. It is used with pneumatic actuators to improve the position accuracy of the valve, overcoming the effects of the friction and the imbalance of the media, thereby ensuring that the valve is achieved according to the signal of the regulator. Positioning correctly. In …

The role of various accessories of pneumatic valves and the analysis of installation points

The efficient use of pneumatic valves is inseparable from the role of various accessories. At present, there are many pneumatic valve accessories on the market. Generally, there are the following categories: double-acting pneumatic actuators, spring return actuators, single solenoid valves, double solenoid valves Control solenoid valve, limit switch feedback device, electrical positioner, pneumatic positioner, electrical …

Classification and use of common accessories of pneumatic valves

In the actual use of pneumatic valves, in order to improve the stability and efficiency of valve use, we often need to resort to some auxiliary work, which is the accessories of pneumatic valves. Generally speaking, the common accessories of pneumatic valves include: air filter, Reversing solenoid valve, limit switch, electric positioner, etc. In pneumatic …

How to judge whether the pneumatic valve is internal leakage or external leakage?

In the daily use of pneumatic valves, various failures are often encountered. Valve leakage is the most common type of failure, and there are generally two types of valve leakage: internal leakage and external leakage! So, what is the difference between the two? The internal leakage of the valve generally refers to the situation that …