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Xi 'an Qinwei Instrument Factory (General Partnership Enterprise)

  • China ,Shaanxi
  • Verified Supplier
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China Stainless Steel Electric Butterfly Valve Wafer Type 220V Adjustable Soft Seal
China Stainless Steel Electric Butterfly Valve Wafer Type 220V Adjustable Soft Seal

  1. China Stainless Steel Electric Butterfly Valve Wafer Type 220V Adjustable Soft Seal
  2. China Stainless Steel Electric Butterfly Valve Wafer Type 220V Adjustable Soft Seal
  3. China Stainless Steel Electric Butterfly Valve Wafer Type 220V Adjustable Soft Seal
  4. China Stainless Steel Electric Butterfly Valve Wafer Type 220V Adjustable Soft Seal

Stainless Steel Electric Butterfly Valve Wafer Type 220V Adjustable Soft Seal

  1. MOQ: 1Set
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms Western Union,T/T,D/P,D/A,L/C
Supply Ability 100PCS/Month
Delivery Time 5-8 work days
Packaging Details Carton
Mounting Options Flange, Foot, Clevis
Protection Class IP54 or IP65
Material Aluminum Alloy, Stainless Steel
Power Supply AC/DC 24V, 110V, 220V
Damping Characteristics no swing
Stroke Length 10 mm to 1000 mm
Basic Error 2.5%
Dutycycle 25% to 100%
Connection ISO5211
Name Electric Actuator
Brand Name QINWEIYB
Model Number QW-DMT145
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms Western Union,T/T,D/P,D/A,L/C Supply Ability 100PCS/Month
Delivery Time 5-8 work days Packaging Details Carton
Mounting Options Flange, Foot, Clevis Protection Class IP54 or IP65
Material Aluminum Alloy, Stainless Steel Power Supply AC/DC 24V, 110V, 220V
Damping Characteristics no swing Stroke Length 10 mm to 1000 mm
Basic Error 2.5% Dutycycle 25% to 100%
Connection ISO5211 Name Electric Actuator
Brand Name QINWEIYB Model Number QW-DMT145
Place of Origin China
High Light Stainless Steel Electric Butterfly ValveElectric Butterfly Valve AdjustableWafer Type Butterfly Valve 220V
Electric Butterfly Valve, Wafer Type, 220V, Flange, Stainless Steel, Adjustable, Soft Seal

An electric butterfly valve is an automated valve that uses an electric actuator to rotate the butterfly plate to achieve fluid on-off or regulation.

Core Concepts and Working Principles

Electric Butterfly Valve = Butterfly Valve + Electric Actuator.

  1. Valve Body Part (Butterfly Valve): A circular disc-shaped butterfly plate is installed along the diameter of the pipeline.

    Working Principle: The valve stem drives the butterfly plate to rotate approximately 0° to 90° around its own axis within the valve seat.

  2. Actuator Part (Electric Actuator): This is a device that integrates a motor, gearbox, and control circuit.

    Working Principle: Through multi-stage gear reduction, the high speed and low torque of the motor are converted into low speed and high torque of the output shaft.

Core advantages:
  • Compact structure: More compact than gate valves and ball valves, lighter in weight, and occupies less space.
  • Precise control: Electric actuators can achieve precise angle control and status feedback.
  • No air source required: No need for a compressed air system, flexible configuration.
  • Economical and practical: Relatively low manufacturing cost and high cost performance.
Typical applications:
  • HVAC (Heating, Ventilation and Air Conditioning): On-off control and flow regulation of hot and cold water, cooling water systems, and air volume regulation.
  • Water supply and sewage treatment: Pump switching, flow distribution, dosing regulation.
  • Food : Sanitary butterfly valves for CIP/SIP systems and material pipelines.
  • Chemical and power: Circulating water systems, flue gas desulfurization, regulation and shut-off of various process pipelines.
  • Shipbuilding: Ballast water, bilge water, fire protection systems.
Electric Butterfly Valve vs. Electric Ball Valve: How to Choose?
Characteristics Electric Butterfly Valve Electric Ball Valve
Main Function Opening and closing + Good regulation Quick and tight shut-off
Flow Resistance Small Small (Full bore)
Sealing Performance Soft seal is good, metal seal is poor Excellent (Soft seal can achieve zero leakage)
Cost Low (Especially for large diameters) Higher
Structural Length Short Short
Applicable Diameter Advantageous for medium and large diameters Advantageous for medium and small diameters
Selection Criteria:
  • Choose Electric Butterfly Valve: When flow regulation is needed, or for large diameters (DN>150), cost-sensitive applications, and situations where a certain leakage rate is acceptable for shut-off.
  • Choose Electric Ball Valve: For situations requiring zero leakage, tight shut-off, quick action, and mostly for medium and small diameters.
Summary

Electric butterfly valves are the "versatile all-rounders" and "champions in cost performance" in the field of automation control. They perfectly combine the excellent regulating performance, low cost and compact structure of butterfly valves with the remote control and precise positioning capabilities of electric actuators. In the vast majority of situations where flow regulation or large-diameter automation control is required, electric butterfly valves are the preferred and most economical solution. They are indispensable key equipment for achieving industrial process automation, especially in water treatment, HVAC, chemical and other industries.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter

  • Year Established:

    Establishe

  • Total Annual:

    5 million-10 million

  • Employee Number:

    500~800

  • Ecer Certification:

    Verified Supplier

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  • Xi 'an Qinwei Instrument Factory (General Partnership Enterprise)
  • No. 143, Sanqiao Street, Xi'an City, Shaanxi Province, China
  • https://www.radarlevelgauges.com/

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