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.

As for electric actuator type: 

• Explosion proof electric actuator, regular electric actuator, multi-turn electric actuator
• Action type: Modulating/regulating electric actuator, on/off type electric actuator, intelligence type electric actuator.
• Actuator voltage: DC-12 Volt, 24 Volt; AC-24 Volt, 110 Volt, 220 Volt, 380 Volt
• Pressure Range: 10/16 bar (145 / 232psi)
• Output Torque: 50N.m to 5000N.m
• Rotation: Quarter-turn (90 Degree)
• Application: wastewater treatment, power plant, oil & chemical industry, environmental protection, food and beverage, boiler, irrigation, etc
• Torlerance: ±10%

1.PVC Electric Actuator Butterfly Valve—————— GO TO THIS PAGE

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 Actuator Butterfly Valve————————GO TO THIS PAGE

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 Actuator Butterfly Valve————————GO TO THIS PAGE

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 Actuator Butterfly Valve————————GO TO THIS PAGE

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 Actuator Butterfly Valve————————GO TO THIS PAGE

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

6.Powder/Cement Flange Electric Actuator Butterfly Valve———-—-GO TO THIS PAGE

Size Range: 4” to 16” Pressure Range: 0.4MPa Material: Cast Aluminum Alloy Seal: PTFE/ seat Applicable scope: concrete mixing station and dry powder

COVNA Electric Actuator Powder or Cement Butterfly Valve

• COVNA Electric powder butterfly valve by two by gravity casting into half body composition
• Half body Aluminum Alloy material, rotary valve plate is made of high polymer materials, has good sealing.
• The top and bottom flange of the same circle, with a top flange and a flange member for a the root of the flexible casing.

7. Metal Seal Motor Operated/Electric Actuator Butterfly Valve——————GO TO THIS PAGE

Size Range: 2” to 18” Pressure Range: 1.0MPa to 2.5MPa Material: Stainless Steel Seal: Stainless Steel Media: Air, water, oil, etc

Tri-eccentric Motorized Butterfly Valve

• Three eccentric butterfly valve is widely used in metallurgy, electric power, petrochemical industry, water supply and drainage, municipal construction and other industrial pipelines with medium temperature ≤ 425 ℃
• Double security structure: tritec design standard accords with API609, BS5155 ANSI B 16.34 、 ASME SEC VIII.
• For regulating flow and breaking fluid. Material: cast iron, cast steel, stainless steel
• Non-blind area design: there is almost no friction between butterfly plate and valve seat
• Thin layer valve seat structure, Replaceable seal pair, Balanced fixed structure
• Body seat construction, install the valve seat on the body

8. Fluorine Lined Electric Actuator Butterfly Valve———————GO TO THIS PAGE

Size Range: 2” to 16” Pressure Range: 1.0MPa to 1.6MPa Material: Cast Iron, PTFE Media: Air, water, oil, etc

Anti-corrosive Motorized Control Butterfly Valve

• Torque range is 50Nm(442 in-lb) to 2500Nm(22123 in-lb).
• It could be equipped with on off type actuator, modulating type actuator and intelligent type actuator
• Easy automation/Retrofit possible/Safe operation
• Steam lined valve disc ensures lower pressure drop
• Size range from 2 inch to 16 inch, size ia available to custom

● 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@covnagroup.com

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