Butterfly valve with electric actuator

A water butterfly valve is a type of valve used to control the flow of water or other fluids through a pipeline. It gets its name from the butterfly-shaped disc inside the valve that rotates to open or close the flow. When the valve is fully open, the disc is positioned parallel to the flow direction, allowing unobstructed passage of water. When the valve is closed, the disc is turned perpendicular to the flow, effectively blocking the flow of water. Water butterfly valves are commonly used in various industries and applications, including water treatment plants, sewage systems, irrigation systems, and industrial processes. They are known for their compact design, lightweight construction, and ease of installation. These valves are often preferred for their quick operation, as the disc can be opened or closed with a simple quarter-turn motion. Butterfly valves can be operated manually with a handle or lever, or they can be automated using electric, pneumatic, or hydraulic actuators to control the valve remotely. They are known for their low-pressure drop and relatively low cost compared to other types of valves. It's worth noting that water butterfly valves are specifically designed for use with water and compatible fluids. Different materials and designs may be required for valves intended for use with corrosive or high-pressure fluids. It's important to select the appropriate type of butterfly valve based on the specific application and fluid requirements.

General parameters of shutters DNOVA WBV3232V-2W-Fb QT-EX-EM-O1-380VAC-U1 DN50-300:

Material specification of disc gate valves DNOVA Viton (Stainless steel AISI 316L/03X16H15M3) DN50-300:

Sketch Butterfly valves DNOVA Water Butterfly Valve DNOVA

Maximum torques of disc gate valves DNOVA Viton (Stainless steel AISI 316L/03X16H15M3) DN50-300:

Description of explosion-proof actuators DNOVA-EX 380 V:

Explosion-proof actuators are used in industrial explosion hazardous areas to control butterfly valves, ball valves and other quarter-turn valves with ambient temperature from -20°...+60°C.

The enclosure is equipped with a heater (7-10W 220V) and has the following degrees of protection: IP67, NEME 4 and 6, Anticorrosive coating. ExdIICT4 explosion protection standard. The actuator is equipped with an asynchronous motor with squirrel cage rotor, auto-locking of the actuator position and manual double-actuator. The actuator control type is ON / OFF. Actuator stroke 90° with adjustment range ±10°. Cable connection 2 x M18. Power supply is provided by three-phase alternating voltage 380 V with frequency 50 Hz.

Electrical connection diagram of explosion-proof actuator DNOVA EX 010-015 380 V

Electrical connection diagram of explosion-proof actuator DNOVA EX 020-200 380 V

Parameters of explosion-proof actuators DNOVA EX 380 V: