[email protected]
+86 577 88875391
logo-Hearken Flow Controllogo-Hearken Flow Control
  • Home
  • About HEARKEN
    • About HEARKEN
    • Our Factory
    • Quality Control
    • Certificates
  • Products
    • Pneumatic Actuators For Sale
      Pneumatic Actuators
      • Rotary Pneumatic Actuator
      • Rack and Pinion Actuator
      • Scotch Yoke Actuator
      • Linear Pneumatic Actuator
      Electric Actuators For Sale
      Electric Actuators
      • Rotary Electric Actuators
      • Multi Turn Electric Actuator
      • Explosion Proof Electric Actuator
      • Electric Linear Actuators
      • Spring Return Electric Actuator
      • Intelligent Electric Actuators
      • On-off Electric Actuators
      Pneumatic Actuated Valves For Sale
      Pneumatic Actuated Valves
      • Pneumatic Ball Valve
      • Pneumatic Butterfly Valve
      • Pneumatic Knife Gate Valve
      • Pneumatic Diaphragm Valve
      • Pneumatic Angle Seat Valve
      Electric Actuated Valves For Sale
      Electric Actuated Valves
      • Electric Ball Valve
      • Electric Butterfly Valve
      • Electric Gate Valve
      • Electric Globe Valve
      • Mini Motorized Ball Valve
      • Solenoid Valves
      Actuator Accessories For Sale
      Control Valves
      • Pneumatic Control Valve
      • Electric Control Valve
      Actuator Accessories For Sale
      Actuator Accessories
      • Valve Limit Switch box
      • Pneumatic Positioner
      • Manual Gearbox Operator
      • Namur Solenoid Valve
      • Air Filter Regulator
      • More Accessories
  • Project
    • Oil and Gas
    • Water and Wastewater
  • Support
    • One-Stop Solution
    • FAQ
    • Download
    • Video
    • Troubleshooting
    • Customer Service
  • Blog
    • Exhibition
    • News & Events
    • Technology Center
  • Contact
EN
EN
ES RU PT
Request a Quote


    [email protected]

    Electric actuator production line

    Quick Help: Contact one of our experts and we'll get back to you in 24 hours!

    首页
    Project
    Seaport

    Seaport

    10th January 2023

    In seaport projects, the application of valve actuators is crucial, they ensure the efficient and safe operation of port fluid control systems. As a key node for cargo and fuel loading and unloading, seaports require reliable and precise control solutions to manage the flow of fluids. Electric actuators are ideal for seaport applications due to their high precision and easy integration into automation systems.

    Advantages of electric actuators:

    1. Provide precise control to ensure the accuracy of fluid flow.
    2. Easy to integrate into existing control systems for seamless operation.
    3. Often equipped with safety features such as limit switches and emergency stops to ensure safe operation.

    In addition, pneumatic actuators are also favored in some applications due to their simplicity, reliability and low maintenance costs. In seaport environments, electric and pneumatic actuators can be used in conjunction with control valves and industrial valves to achieve precise control of fluid flow.

    Recommend products

    Series Intelligent Pneumatic Valve Positioner

    Valve Positioner with Explosion-Proof Housing

    • Series: Rotary/Linear Electro-Pneumatic, Smart Types & Ex-proof Types Positioners
    • Body Material: Die-casting aluminum
    • Air Consumption: 3LPM
    • Inlet: 4-20mA, 0, 21-1 bar(3-15 psi)
    • Air Pressure: 6 bar
    • Working Temperature: -20°C-70°C
    • Explosion-proof Temperature: -20°C-60°C
    • Application: Rotary / Linear pneumatic actuators with proportional control rotary or linear actuated valves
    Sanitary Stainless Steel Pneumatic Butterfly Valve Actuator with Weld Ends

    Sanitary Stainless Steel Weld Ends Pneumatic Butterfly Valve

    • Size: DN15 ~ DN100
    • Body Material: Stainless Steel SS304/SS316
    • Disc Material: Stainless Steel SS304/SS316
    • Seal Material: EPDM, SI
    • Medium Temperature: -20~+80 Degree
    • Flanged Connection: ISO 5211 or DIN 3337 Standard
    • Pressure Rating: PN10 / PN16 ANSI150, DIN16, JIS 10K/16K
    • Medium: Water, Air, Gas, Petroleum, Oil, Liquid
    • Actuator Model: HPA Pneumatic Actuator Double Acting / Spring Return
    • Protection Class: Waterproof – IP67
    • Optional Accessories: Positioner, Limit Switch, Air Filter, Solenoid Valve, etc.
    Anti cavitation perforated cage guided control valve with pneumatic diaphragm actuator

    Low Noise Cage Guided Control Valve

    • Pressure Rating: PN16, PN40, PN64 / ANSI Class 150, 300, 600
    • Body Type: Straight-through globe type, Angle type
    • End Connection: Flange type, butt welding type
    • Trim Structure: Sleeve guided type, pressure-balanced plug, perforated multi-hole sleeve cage
    • Shut-Off Class: ASME B16.104 Class V (standard metal seat) / Class VI (shut-off soft seat)
    • Temperature Range: -30°C to 260°C (Single-seat) / -196°C to 570°C (Double-seat)
    • Applicable Size: DN40 – DN350 (1-1/2″ – 14″)
    • Signal & Protocols: 4–20 mA, 3–15 psi, HART, Profibus-PA
    • Application: Severe service lines prone to cavitation, flashing, aerodynamic noise, and high fluid velocity
    Flanged stainless steel pneumatic angle seat valve, plastic actuator

    Flanged Connection Pneumatic Angle Seat

    Heavy Duty Pneumatic Actuator

    Heavy Duty Scotch Yoke Pneumatic Actuator

    • Body Material: Ductilelron ,epoxy Painted
    • Output Torque Values: DA Series: Double Acting 652 Nm~74723 Nm @ 5 BAR;
    • SR Series: Single Acting 479 Nm ~27523 Nm
    • Shaft: The internal wall is hard chrome plated
    • Sealing Material: NBR (on request VITON)
    • Working Temperatures: -20°C …80°C/-50°C … 80°C
    • Bearing Material: Industrial Hardened Plastic
    • Actuator/Valve Connection Standard: ISO 5211 
    • Solenoid Valve Connection Standard (3/2 or 5/2):NAMUR
    • Positioner and Limit Switch Box Connection Standard: NAMUR
    • Air Supply: 4-8 Bar
    • Protection Class: On request; ATEX(Protection Class: ll 2GDc)
    • Application: Ball and Butterfly Valves, Dampers on-off or Proportional Control

    Contact Us

    Contact us or give us a call to discover how we can help.


      Hearken Flow footer-logo

      Why we call our brand as Hearken Because of we take pride in listening to our customers and learning about their Needs and problems in order to provide the best possible valve automation solutions.

      Hearken Flow Website QR code
      Send Inquiry Now


        [email protected]

        Electric actuator production line

        Quick Help: Contact one of our experts and we'll get back to you in 24 hours!

        • Home
        • Our Factory
        • Quality Control
        • Certificates
        • Products
        • Blogs
        • Pneumatic Actuators
        • Electric Actuators
        • Pneumatic Actuated Valves
        • Electric Actuated Valves
        • Actuator Accessories

        Contact Info

        Sales Office Add: R1807, Union Building, West Baili Road, Lucheng District, Wenzhou City, Zhejiang Province, China
        Factory Add: 2nd Floor, Building 2, Huigao, Bao’er Community, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province, China
        [email protected]
        +86 150 5899 3098
        +86 577 88875391
        LinkedIn
        Instagram
        YouTube
        Facebook

        HEARKEN © Copyright 2026. All Rights Reserved.

        us-Hearken Flow
        Spain - Hearken Flow
        Brazil - Hearken Flow
        Russia - Hearken Flow
        Italy - Hearken Flow
        Vietnam - Hearken Flow
        邮箱
        WhatsApp
        This website uses cookies to improve your experience. If you continue to use this site, you agree with it.