COVNA is a valve manufacturer with 20 years experience and ISO9001:2008 certificate. Our Headquarter is in Dongguan, have 4 production base. The headquarters covers an area of about 3,500 square meters and has more than 50 workers. We have more than 30 patents and certifications, the quality is trustworthy. Currently working with more than 100 …
Hi, this is COVNA UPVC Wafer type butterfly valve. It can be manual operated by lever or gear operated. Also it can be controlled by Pneumatic actuator and Electric actuator. The Pneumatic actuator could be both Double acting and Single acting. And Electric actuator, you can control it by ON/OFF Type, Regulation type or Intelligent …
Hello everyone, this is Moon Chan from COVNA valve in China, a 20-year manufacturer of electric actuator valve, pneumatic actuator valve and solenoid valve with CE, RoHS, FDA certificates. Due to the coronavirus situation, most of exhibitions are cancelled, and customers are unable to visit our factory. I know you guys are wondering what is COVNA? Do not worry. Now …
COVNA, a manufacturer of the pneumatic actuator valve. In this video, we will show the working principle, features and applications of COVNA pneumatic actuator valve for you. Consult us to get a free valve solution! www.china-covna.com
Hi, this is COVNA Electric actuator UPVC double union ball valve. About the actuator, we have 3 types of control: ON/OFF Type for fully close and open. Regulation type and Intelligent type for controlling the opening degree by 4-20mA signal. About the valve body, as you could see, this is double union structure which is …
Manual ball made by COVNA. Stainless steel and brass are available.
COVNA manufactures pneumatic actuator valve including pneumatic ball valve and pneumatic butterfly valve for irrigation, water treatment, food and beverage, shipyard, packing industry, and power plant. Available in single acting(spring return) and double acting pneumatic actuator. Any demand, please inquiry us at