Motorized Butterfly Valve

butterfly wafer valve

The Application of Motorized Butterfly Valve

Introducing the Motorized Butterfly Valve, an advanced solution for precise fluid control. Cameron, a leader in the industry, offers superior quality and reliability.

Ideal for various applications including 5 butterfly valve or 6 butterfly valves, especially suited for larger systems like 6 in butterfly valve configurations. Cameron’s expertise ensures optimal performance, complemented by features like butterfly valve 4 sizes and butterfly valve size range.

With Cameron brass ball valve standards and butterfly valve seat technology, coupled with materials like A350 LF2, this valve ensures durability. Additionally, its butterfly valve cv rating ensures accurate flow control, making it a versatile choice for industrial applications.

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How does a Motorized Butterfly Valve work?

A motorized butterfly valve operates by changing the position of a round disc that is located within a pipeline. The disc is the size of the pipe circumference, which allows it to create a reliable seal during instances when it is necessary to restrict or stop the flow of process media. Motorized butterfly valves are available in a variety of sizes, so any factory will be able to order one that specifically fits and operates within their pipelines. The most common ranges of sizes for butterfly valves and their discs are between a couple of inches and a couple of feet, although larger industrial applications of this particular valve may span quite a bit larger than those typical ranges.

When a motorized butterfly valve disc is in the closed position, the pipeline is completely blocked and flow is stopped. The disc for the valve is attached to the valve shaft, which is then controlled by a motor. When this motor moves the valve to the open position, the disc is parallel to the pipeline and liquids are able to flow past the disc on either side. There is still a drop in flow volume because the disc itself is still present within the pipeline. However, flow is permitted to pass. If flow needs to be throttled, controlled, or regulated for volume as production needs to change, the motor can turn the disc to a position where it is partially open. If a changing amount of process media volume flow is needed for production, the motorized butterfly valve can adjust during the process to supply appropriate amounts of liquid.

Features of Motorized Butterfly Valves

  • 1. The mounting pad of ZECO motorized butterfly valve is designed as per ISO 5211. It is easy for the user to configure the standard electric actuator by himself or directly by ZECO’s fully configured electric actuator delivery;
  • 2. The upper and lower stem of ZECO motorized butterfly valve is designed for anti-blow out. This design prevents the risk of a blowout when maintenance is required;
  • 3. The seal of ZECO motorized butterfly valve is designed for fire safety. Sealing is not resilient seated and can meet API 607 fire test requirements;
  • 4. The torque of ZECO motorized butterfly valve is low. Users can match a lower gear than the conventional electric actuator, saving costs.
  • Overloading protection keeps the valve and your project safe
  • Multiple control methods for choice
  • Weather-proof protection class which suitable for outdoor uses
  • ISO 5211 mounting standard which could suitable for all types of a butterfly valve
  • Available in adjusting the open/close angle to make the flow control more easily
  • Strict quality control with ISO9001:2015 to ensure a low failure rate of the actuator
  • Provide wafer/lugged/flanged/tri-clamp butterfly valves to meet your pipeline requirements.
  • Large size range for choice and that could meet your pipeline size.
  • Easy installation and easy maintenance. Long service life span.
  • All butterfly valve has passed the material test. Eco friendly.
  • High flow, lightweight, multiple connection types for choice

The Parameter of Motorized Butterfly Valve

  1. Valve Type: Motorized Butterfly Valve.
  2. Size: Available in various sizes to suit different applications.
  3. Pressure Rating: ANSI 150, ANSI 300, etc., suitable for different pressure levels.
  4. Temperature Range: Standard operating temperature from -20°C to 200°C (-4°F to 392°F).
  5. Body Material: Typically stainless steel, carbon steel, or ductile iron.
  6. Disc Material: Made of corrosion-resistant materials such as stainless steel or ductile iron.
  7. Seat Material: Utilizes resilient materials like EPDM or PTFE for reliable sealing.
  8. Actuation Type: Electric motor actuator provides precise control over valve operation.
  9. End Connection: Available with wafer, lug, or flanged end connections.
  10. Leakage Rate: Engineered to meet industry standards for minimal leakage.
  11. Fire Safety: May feature fireproof seat design and metal-to-metal seals.
  12. Compliance: Complies with industry standards such as API, ANSI, and ISO.
  13. Maintenance: Designed for easy maintenance with replaceable seats and seals.
  14. Accessories: Compatible with various accessories like positioners, limit switches, and actuators.
cpvc butterfly valve

The Operation Theory of Motorized Butterfly Valve


The operation theory of a Motorized Butterfly Valve involves precise control of fluid flow using an electric motor actuator. Unlike traditional valves, such as butterfly valve seat, it utilizes a disc that rotates perpendicular to the flow to regulate the passage of fluids. Comparing butterfly vs ball valve or butterfly vs gate valve, the butterfly valve offers quicker operation and tighter shut-off, making it ideal for various industrial applications.

The Parameters Table of Motorized Butterfly Valve

ParameterDescription
Valve TypeMotorized Butterfly Valve
SizeVarious sizes available
Pressure RatingANSI 150, ANSI 300, etc.
Temperature Range-20°C to 200°C (-4°F to 392°F)
Body MaterialStainless steel, carbon steel, ductile iron
Disc MaterialStainless steel, ductile iron, aluminum
Seat MaterialEPDM, PTFE, metal-to-metal
Actuation TypeElectric motor actuator
End ConnectionWafer, lug, flanged
Leakage RateMeets or exceeds industry standards
Fire SafetyFireproof seat design, metal-to-metal seals
ComplianceAPI, ANSI, ISO
MaintenanceReplaceable seats and seals for easy upkeep
AccessoriesCompatible with various actuators, limit switches

Relevant Information about Motorized Butterfly Valve

  1. Rotor: The rotor is the rotating part of the motorized butterfly valve that controls the flow of fluid.
  2. Stator: The stator is the stationary part of the valve that surrounds the rotor and provides support.
  3. Universal Joint: The universal joint connects the actuator to the valve shaft, allowing for rotational movement.
  4. Shaft Seal: The shaft seal prevents leakage along the valve shaft, ensuring the integrity of the valve.
  5. Driving System: The driving system includes the electric motor and associated components that power and control the valve’s operation.

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