Bluetrend (Shanghai) Industrial Equipment Co., Ltd.

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On Off Valve Actuator Irreversible Worm Gear Wide Size Range Modulating

On Off Valve Actuator Irreversible Worm Gear Wide Size Range Modulating

  • On Off Valve Actuator Irreversible Worm Gear Wide Size Range Modulating
On Off Valve Actuator Irreversible Worm Gear Wide Size Range Modulating
Product Details:
Place of Origin: China
Brand Name: ACKO
Certification: CE ISO
Model Number: AK-M1......M12
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: standard sea worthy packing
Delivery Time: 7-14 working days
Payment Terms: T/T
Supply Ability: 100 sets per week
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Detailed Product Description
Name: Electric Actuator Protection Level: IP67(optional:IP68)
Power Supply: 220Vac, 50/60 Hz;120Vac, 50/60 Hz Control Style: Modulatig
ON/OFF Model: AK-M1......M12 Valve Sizes: DN50,DN600(Wafer Type)
High Light:

motorised control valve actuator

,

quarter turn electric actuator

 

Angular travel actuator Control style Modulating, Torque 50Nm,100Nm,200Nm,400Nm,500Nm,650Nm,1000Nm

 

Types 

There are four common types of actuators: manual, pneumatic, hydraulic, and electric.

Manual 

A manual actuator employs levers, gears, or wheels to move the valve stem. Manual actuators are powered by hand. Manual actuators are inexpensive, typically self-contained and easy to operate. However, some large valves are impossible to operate manually and some valves may be located in remote, toxic or hostile environments that prevent manual operations. As a safety feature, certain types of situations may require quicker operation than manual actuators can provide to close the valve..

Pneumatic 

Air (or other gas) pressure is the power source for pneumatic valve actuators.[1] They are used on linear or quarter-turn valves. Air pressure acts on a piston or bellows diaphragm creating linear force on a valve stem. Alternatively, a quarter-turn vane-type actuator produces torque to provide rotary motion to operate a quarter-turn valve. A pneumatic actuator may be arranged to be spring-closed or spring-opened, with air pressure overcoming the spring to provide movement. A "double acting" actuator use air applied to different inlets to move the valve in the opening or closing direction. A central compressed air system can provide the clean, dry, compressed air needed for pneumatic actuators. In some types, for example, regulators for compressed gas, the supply pressure is provided from the process gas stream and waste gas either vented to air or dumped into lower-pressure process piping.

Hydraulic 

Hydraulic actuators convert fluid pressure into motion. Similar to pneumatic actuators, they are used on linear or quarter-turn valves. Fluid pressure acting on a piston provides linear thrust for gate or globe valves. A quarter-turn actuator produces torque to provide rotary motion to operate a quarter-turn valve. Most types of hydraulic actuators can be supplied with fail-safe features to close or open a valve under emergency circumstances. Hydraulic pressure can be supplied by a self-contained hydraulic pressure pump. In some applications, such as water pumping stations, the process fluid can provide hydraulic pressure, although the actuators must use materials compatible with the fluid.

 

 

Electric 

The electric actuator uses an electric motor to provide torque to operate a valve. They are quiet, non-toxic and energy efficient. However, electricity must be available, which is not always the case, they can also operate on batteries.

Spring 

Spring-based actuators hold back a spring. Once any anomaly is detected, or power is lost, the spring is released, operating the valve. They can only operate once, without resetting, and so are used for one-use purposes such as emergencies. They have the advantage that they do not require a powerful electric supply to move the valve, so they can operate from restricted battery power, or automatically when all power has been lost.

 

 

OVERVIEW:


The VA16 series butterfly valves can be used for refrigeration and heating systems, as well as for industrial and water treatment systems.


The VA16 series is equipped with standard On-Off or modulating (4~20mA, 1~5V, or 0(2)~10V ) control quarter-turn electric actuator.

 

FEATURES:
• Wide size range (DN 50…DN600)
• For On-Off or Modulating Control
• The handwheel assembly manual adjustment
• Irreversible worm gear.
• Visual mechanical position indicator for accurate visual reference of valve position.
• Anti-condensation heater and 2 aux. limit switches on standard model
• Enclosure IP67

 

 

SPECIFICATIONS:

 

Valve   Actuator  
Sizes DN50…DN600 (Wafer Type) Power Supply 220Vac, 50/60 Hz
Nominal pressure PN16 Control style On-Off or modulating
Tightness Bubble tight Travel Angle 90° ± 5 °
Medium Temperature -20℃ ~ +1 2 0℃maximum Input (Modulating) 4~20mA, 1~5V, 2~10V
Body Material GG25 (for DN50…DN150) Output (Modulating) 4~20mA, 2~10V
  GGG40 (for DN200…DN600) Enclosure IP67 Waterproof
Stem Material SS416 Ambient Temperature -10℃ to +90℃
Disc Material Epoxy coated ductile iron GGG40 Indicator Continuous Position Indicator
Liner Material EPDM Manual Override Non clutch design
Medium Type Chilled and Hot water Worm Gear Permanently lubricated and
      self locking
    Space Heater 15W 220V Anti-condensation
    Material Aluminum Alloy
    Overheating protection Power off at 120℃
    Torque protection Optional

 

 

 


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OUR COMPANY

 

 

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OUR FACTORY

 

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Contact Details
Bluetrend (Shanghai) Industrial Equipment Co., Ltd.

Contact Person: Ms. karen

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