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 …
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 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 …
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 …
Guanyin Temple in Daling Mountain is located in the center of Shidong Scenic Spot in Daling Mountain Park, Dongguan City. It is the first self -raised temple in Dongguan to so far. Super geographical location and convenient traffic conditions .
One: Sanitary Pneumatic Butterfly Valve Actuator The sanitary pneumatic butterfly valve adopts the rack and pinion rotary pneumatic actuator, which has double-acting and single-acting (spring reset), gear transmission, safe and reliable;Large-diameter valves adopt fork-type pneumatic actuators, fork-type transmission, reasonable structure, large output torque, double-acting and single-acting. Rack and pinion double pistons, large output torque and …
The structure of the Fluorine ball valve is different from the common valves in our daily life. The switch of the valve is mainly controlled by the valve stem, and the switch operation of the valve in daily life does not rely on the valve stem. Its structure and The production process itself has many …