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Sofis valve operation Sofis valve operation
  • Home
  • Products
    • Smith interlocks
    • Netherlocks interlocks
    • Ellis interlocks
    • Key Management System
    • EasiDrive portable actuator
    • Power Wrench portable actuator
    • FlexiDrive remote operator
    • VPI position indicator
    • SiLoC silo loading & unloading
  • Services
  • Solutions
    • Enforce safe valve operation
    • Monitor manual valve positions
    • Operate manual valves quickly
    • Operate manual valves remotely
    • Ensure integrity of critical safety systems
    • Ensure operational efficiency
    • Mitigate effects of human error
  • Applications
  • Industries
  • Customer stories
  • About us
    • Sustainability
    • Certification
    • Sofis: The safest choice
    • Our heritage
    • Vacancies
    • Internships
  • News
    • Download brochures & application notes
    • Sofis Connect newsletter
    • View product videos
  • Contact
Nov 05
Power Wrench portable valve actuator for opening a bypass valve

Power Wrench ensures quick opening of vital bypass valve

  • 5 November 2016
  • Customer stories, Fast manual valve operation, News

The Power Wrench portable valve actuator is the ideal tool for quickly opening and closing manual valves. A striking example of the benefits of the tool is provided by a refinery, where the Power Wrench is used to ensure quick operation of a vitally important manual bypass valve on a filter system.

Quickly opening manual bypass valve of vital importance

The refinery pumps water from a nearby river into their cooling systems. In order to prevent all kinds of debris (such as pieces of nets, plastic, fish and shells) to enter the cooling system, a filter is being used. When the filter gets obstructed with debris, a bypass valve needs to be opened quickly (within 5 to 10 minutes), ensuring the continuous availability of fresh cooling water. If the bypass valve cannot be opened within 10 minutes, consequences for the entire production process can be disastrous. The large 36″ gate valve was initially equipped with a 1:20 ratio gearbox in order to avoid user fatigue and injuries related to operating large manual valves. With the gearbox in place however, 1.600 rotations were now needed to fully open or close the valve, which resulted in opening times largely exceeding the time limit of 10 minutes…

Valve opened within 2 minutes by using Power Wrench

In order to guarantee fast manual operation of the valve without using a gearbox, the Power Wrench is now successfully being applied. It allows the valve to be operated quickly (within 2 minutes) and avoids strained backs, sore muscles and user fatigue.

Custom-made adaptation of Drive Plate

The Drive Plate of the Power Wrench, which connects the tool to the valve, is normally bolted directly onto the valve’s hand wheel, keeping the valve completely intact. As the spindle of the valve had a particularly large diameter of 77 mm, a custom made tube was welded to the Drive Plate, allowing the Drive Plate to be bolted directly to the valve’s hand wheel.

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Sofis is a manufacturer of valve operation systems such as mechanical valve interlocks, portable actuators and valve position indicators. We are the world’s largest interlock manufacturer, providing bespoke design solutions that protect people and property throughout the world. We create smart valve solutions that improve process and operator safety to protect people and the planet.

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