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 …
COVNA holiday notice： The Mid -Autumn Festival and National Day are approaching, and all the employees of Covna will deeply thank you for your long -term support and trust in us! To you the most sincere blessings and greetings!
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 …
Solar electric adjustment valve, as the name suggests, is a device that uses solar energy as an energy source to adjust the valve switch. It is mainly composed of three parts: solar panel, control system and actuator. As a new type of energy -saving and environmentally friendly product, the solar electric adjustment valve has been …
As the annual largest environmental protection exhibition in my country’s ecological and environmental industry, 2023 The 24th China Environmental Expo will be held at the Shanghai New International Expo Center on April 19-21, 2023. COVNA Industrial Automation Co., Ltd. will be used as a valve. The industry benchmark has become a special exhibitor with many …
The epidemic is like a hurdle in life. After walking bumps, we have gone through for three years. In the past three years, we have played a game and contest with the new crown virus. After the epidemic, Kuwa will show the brand advantage in all aspects, send more high-quality good valves to more partners, …
The most important part of the pneumatic film regulating valve is the pneumatic actuator, and the pneumatic actuator consists of an executive mechanism and a regulating mechanism. Pneumatic execution agencies include: pneumatic film, pneumatic piston, and pneumatic long stroke; the adjustment mechanism is: valve, gate, regulating valve, etc. There are two types of straight and …
Metal valve can be said to be a key component structure that can easily corrode failure in engineering equipment. Generally, the seal, valve stems, film, small spring and other valves of the metal valve generally use first -level materials, valve body, valve cover, etc. Or three materials, for high-voltage, toxic, flammable, explosive, radioactive media valves, …
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 …
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 …