COVNA offers a comprehensive range of control valves and actuators for virtually every application: central and decentralized heating systems, domestic hot-water systems, district heating and steam.

For maximum versatility, our control valves and actuators come in different sizes, materials and connection options. They also offer a range of different functions and features to suit each specific application. With a global reputation for quality and reliability, our latest solutions are available at different price points to suit the budgetary needs of every project.

In this article, we will brng you different type electric butterfly valves:

1.PVC Electric Butterfly Valve

Size Range: 2″ to 12″ Pressure Range: 1.0MPa Material: PVC, UPVC, CPVC Seal: NBR/PTFE/ seat Media: most air, water, light oil, fuels, solvents, alcohol and many acids

Features: 

• Low Weight, Low Cost, Anti-Corrosive & Food Safe.
• Industrial grade PVC butterfly valve, Polypropylene (PP) disc
• Pressure rated 150psi at 73°F.  EPDM primary liner.
• ANSI 150 wafer-style flange connection
• Suitable for using with potable/drinking water
• Quarter turn operation with mechanical stops
• Actuator Type: ON OFF Type, Regulating Type and Intelligent Type
• Notice: PVC butterfly valves should never be used for compressed gas applications

Dimensions:

2.Flanged Electric Butterfly Valve

Size Range: 2″ to 24″ Pressure Range: 1.6 to 6.4MPa Material: Cast Steel, Cast Iron, Ductile Iron, Stainless Steel Seal: NBR/PTFE/ seat Media: Air, water, oil, etc

COVNA Electric Double Flange Butterfly Valve

Small in size and light in weight, easy installation and maintenance, it can be mounted wherever needed, minimized operating torque, energy saving, flow cure tending to straight line. Excellent regulation performance. Large Size Range, Special size could be customized

1. Flanged connection in ANSI, JIS, DIN, GB standard for your choice
2. Simple and compact construction, quick 90 degree on-off operation
3. Long service life. Standing the test of tens of thousands opening/closing operations
4. Bubbles-tight sealing with no leakage under the pressure test
5. Wide selections of materials, applicable for various medium
6. Stem and disc are connected by means of pin less structure with more reliable performance
7. Lower torque requirement: 50N.m or 4000N.m

Dimensions:

3.Wafer Electric Butterfly Valve

Size Range: 2″ to 25″ Pressure Range: 1.6 to 6.4MPa Material: Cast Steel, Cast Iron, Ductile Iron, Stainless Steel Seal: NBR/PTFE/ seat Media: Air, water, oil, etc

COVNA Motor Operated Wafer Butterfly Valve With Actuator

• Features: Large Size Range, Energy Conservation, Long Service Life, etc
• Excellent flow control in quarter turn operation
• 100% tight Bidirectional shut off
• Steam lined valve disc ensures lower pressure drop
• Easy automation/Retrofit possible
• Bubbles-tight sealing with no leakage under the pressure test

Dimensions:

4. Luged Electric Butterfly Valve

Size Range: 2″ to 25″ Pressure Range: 1.6 to 6.4MPa Material: Cast Steel, Cast Iron, Ductile Iron, Stainless Steel Seal: NBR/PTFE/ seat Media: Air, water, oil, etc

COVNA Cast Iron Motorized Lug Type Cast Iron Butterfly Valve

• Features: Large Size Range, Energy Conservation, Long Service Life, etc
• Excellent flow control in quarter turn operation
• 100% tight Bidirectional shut off
• Steam lined valve disc ensures lower pressure drop
• Easy automation/Retrofit possible
• Wide range of body, disc, seat material options

Dimension:

5. Sanitary Electric Butterfly Valve

Size Range: 2” to 16” Pressure Range: 0.0MPa~1.6MPa Material: Stainless Steel Seal: PTFE/ seat Media: Air, water, oil, etc

Tri-clamp Butterfly Valve with Electric Actuator

• Novel design, reasonable, unique structure, light weight, quick opening and closing
• The operating torque is small, the operation is convenient, and the labor-saving and dexterous
• It can be installed in any position, easy maintenance
• Sealing materials are resistant to aging, corrosion and long service life
• Widely used in process control occasions such as food, pharmaceuticals, cosmetics, clean steam, alcohol, beverages, biochemical industrial processes

● ON/OFF Type Electric Actuator: 90 degree rotation. AC/DC power supply, signal control and manual override. High torque up to 4000Nm.

● Modulating Type Electric Actuator: Adjust open/close angle from 0 to 90 degree. AC/DC power supply, signal control and manual override. High torque up to 4000Nm.

● Intelligent Type Electric Actuator: Adjust open/close angle from 0 to 90 degree. LED display screen to allow you check the open/close angle easier. AC/DC power supply, signal control and manual override. High torque up to 4000Nm.

Features of electric actuator:

• Torque Range: 50N.m or 4000N.m
• Quarter turn operation with mechanical stops
• Rugged Type 4X weatherproof aluminum alloy enclosure
• Visual valve position indicator
• Angle of Rotation: 0-90◦
• With Manual override
• Heavy duty motor with overload protection
• Thermostatically controlled anti-condensation heater
• Two auxiliary limit switches to confirm valve positions
• Self-locking all metal gear drive, no additional brake required
• Actuator Type: ON OFF Type, Regulating Type and Intelligent Type
• Actuator Type: ON OFF Type, Regulating Type and Intelligent Type
• Tolerance: ±0.5%

Welcome to contact us, email: sales@covna-china.com

Whatever, you are a distributor, wholesaler, retailer, factory, COVNA always can ffer you the perfect valve and solution and service!

--- END ---