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The Best Cost-Effective Control Butterfly Valves Manufacturer – THINKTANK

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    Quality is Guaranteed

    The non-rubbing resilient metal-to-metal sealing system of the THINKTANK‘s Triple Offset Valve assures bidirectional zero leakage shutoff in even the most demanding applications, and we also manufacture high-performance(double offset design) butterfly valves which have rugged reliability and extremely easy maintenance in the field, this high-performance valve provide the highest quality and highest value available for the snowmaking requirements.

    1. Butterfly Valve Flow Control

    THINKTANK is one of the leading manufacturers and suppliers of a quality range of butterfly control valves and other types of control valves. The most two common types of control butterfly valves are high-performance butterfly valves and triple offset butterfly control valves. 

    High-performance butterfly control valves

    High-performance butterfly control valves have a double eccentric design, first offset from the center of the stem to the center of the valve seat, and the second offset from the center of the valve stem to the center of the pipe. 

    double eccentric design of butterfly valves
    double eccentric design of butterfly valves
    double offset butterfly valves
    double offset butterfly valves

    Triple offset butterfly control valves

    The Triple offset butterfly control valves based on the double eccentric of high-performance butterfly valve added extra third eccentric, which consists of an inclined conical profile machined into the valve sealing surface, allowing rotary engagement and disengagement of the seat and seal ring without interference. This triple offset eliminates all rubbing between the seat and seal ring during valve travel, reducing seat and seal wear and extending cycle life. 

    triple offset butterfly control valves
    triple offset butterfly control valves

    Download Triple Offset Butterfly Control Valves Brochure

    2. Butterfly Control Valve Flow Characteristics

    The butterfly control valves are suitable for throttling control high capacity flow process and small pressure drop. As a control valve, the butterfly valve just needs to be operable through 90 degrees to operate the valve open and close. For throttling function, a high-performance butterfly control valve and triple offset control butterfly control valve provide linear flow characteristics and approximate equal percentage flow characteristics.

    flow characteristics
    flow characteristics
    control butterfly valves type
    control butterfly valves type

    3. Triple Offset Control Butterfly Valve Control Range

    The control range of butterfly control valves is approximately 10 to 70% opening, general its  1/3 opening flow capacity is a similar full capacity of the same size for globe type control valves or eccentric plug rotary control valves. So it saves much cost for the end-user at large pipeline flow control process.  

    4. Butterfly Control Valve Cv Values

    Different butterfly valve openings correspond to different CV values (150LB)

    2″501.54.2121620418093 93
    21/ “

    5. Butterfly Control Valve Applications

    Butterfly control valves have a wide application in industrial processes. Here is the typical industry in which THINKTANK butterfly control valves are used for.


    Petrochemical Plants

    • Brine, CO2 Vapor
    • Propylene Plants
    • Steam Service
    • Propane Gas
    • Maniford Flare Inlet & Manifold Isolation
    • Ethylene Plants
    • PSA & Molecular Service
    • Ethylene Crackers
    • Coker Plants
    petroleum refering
    petroleum refining

    Petroleum Refinning

    • Oil Storage Isolation
    • Steam Service
    • Desulphurization System & Tail Gas Treaters
    • Flare Gas, Sour Gas Isolation
    • Hot Cracking Gas
    • Catalytic Cracker Units

    Nuclear Power Plants

    • Containment Isolation
    • Saltwater Service
    • Core Spray Systems
    • Pump Isolation
    • Seawater Desalination System
    fossil power plant
    fossil power plant

    Fossil Power Plants

    • Pump Isolation
    • Condenser Cooling
    • Pump & Steam Extraction Isolation
    • Heat Exchanger, Condenser Cooling Isolation

    Central Heating

    • Thermal Power Plant
    • Heat Exchange Station
    • Boiler System
    • Hot Water Pipeline
    • Steam Service


    lng valves
    lng valves
    • Liquid Gases
    • Natural Gas Service
    • Oil Field Recovery System
    • Gasification Plants & Storage
    • LNG Service

    6. How a Pneumatic Butterfly Valve Works?

    The working principle of the pneumatic butterfly control valve is derived by compressed air power to the pneumatic actuator and rotating the stem or shaft of the butterfly valve to the open or close through the disc.
    Picture of Will Don

    Will Don

    After earning my bachelor's degree in mechanical engineering from Zhejiang Normal University in 2008, l was fortunate enough to begin my career with Siemens, Fisher, and YTC, focusing on control valve accessories. Over the past dozen years, l've poured my heart and energy into understanding technology and fluid solutions for control valves.
    Now, as the marketing director for THINKTANK, a trusted branch of the Taiwan STONE valve group, I can't help butf eel proud of how far we've come. Our knowledge isn't just reaching professionals like engineer and valve distributors; it's also inspiring the next generation of automation college students.
    l genuinely hope you're enjoying our articles and finding them helpful.Your thoughts, questions, and feedback mean the world to me, so please don't hesitate to reach out to marketing[at] Whether you're a seasoned expert or just curious about the field, I'm here to connect, share, and learn together.

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    I am the author of this article, and also the CEO and marketing director of THINKTANK, with 15 years of experience in the industrial valve industry. If you have any questions, you can contact me at any time.

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    Contact Us

    With expertise in valves and rich experience in the oil&gas, chemical industry, textile mills, power plants, and sugar mills. THINKTANK has become the premier manufacturer of next-generation precision control valves.

    With a customer base that includes over 42 of the world’s leading engineering&contractors and international valve brands, THINKTANK Valves offers cost-effective valves that help our customers achieve automated process control without paying high prices.

    Why are more and more international valve brands choosing THINKTANK for OEM service?

    Brand is reputation, which not only requires high valve technology, but also great comercial support and fast response after-sales service and delivery time. They will not gamble their brand on an unknown product

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    Focused on Control Valves & Self-Operated Pressure Regulators For Over 30 Years

    A Good Partner Is A Lasting And Effective Investment

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