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Fusible Link Valves For Diesel Generators

The fusing link valve for the diesel generator set includes the valve body and actuator, and the valve body and actuator are fixed by a fixed bracket/yoke. The actuator of the fused valve includes the shaft, fusible link, manual/gear operator, actuator protection cover, limit switch, etc.
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    Brief Description

    The fusible link valve for diesel generator sets is designed to automatically shut off flammable gases or liquids, and any other potentially hazardous media in the piping system when the ambient temperature reaches a set value. Once a fire or explosion occurs, the valve will automatically shut off the supply of flammable gases or liquids, or any other potentially hazardous media to stop or reduce the hazards caused by fire and explosion accidents.

    diesel generators
    diesel generators

    The fusing link valve for the diesel generator set includes the valve body and actuator, and the valve body and actuator are fixed by a fixed bracket/yoke. The actuator of the fused valve includes the shaft, fusible link, manual/gear operator, actuator protection cover, limit switch, etc. The fusible link valve can be reused by replacing the disconnected fusible link in the process of use, which reduces the cost of use.

    China’s shut-off safety valve technology has made great strides in development through the continuous introduction of new technologies. But for flammable gases or liquids, solvents, alcohol, toxic liquids, or any other potentially dangerous media in the high-risk system, it is still common to use manual shut-off valves, or electric/pneumatic shut-off valves. But the control of these valves, in the process of fire, explosion, and other accidents, due to the special nature of the environment, which causes the operator can not quickly close the valve in an emergency, or due to the harsh conditions of the accident site can not be close to the shut-off valve, or cause damage to the electric, pneumatic shut-off valve system function, or when the shut-off valve coil is accidentally charged, the shut-off valve will automatically open, which causes in the inability to play an emergency cut off the pipeline purpose. It may cause flammable gases or liquids, solvents, alcohol, toxic liquids, or any other potentially dangerous media leakage, there may be a certain amount of personal injury to the staff who implement the shutdown operation, or lead to the inability to close the pipeline in time and further expand the accident disaster.

    The Fusible link valves are designed to automatically shut off piping systems for flammable gases or liquids, solvents, alcohols, toxic liquids, or any other potentially hazardous media when the ambient temperature reaches a set value. In the event of a fire or explosion, these valves will automatically stop the supply of flammable gases or liquids, solvents, alcohols, toxic liquids, or any other potentially hazardous media, ending or reducing the hazard caused by a fire or explosion. In the event of a fire, the fuse of the fusible link valve will automatically disengage(link melts) when a preset value is reached, which automatically drives the actuator at the top of the valve, turning the valve from normally open to closed(fail valve close/FC) or normally closed to open(fail valve open/FO). The fusible link valve has a wide range of temperature setting values, which can be freely selected according to the actual situation of the project. In general, the setting temperature of the fusible link valve should be greater than the ambient temperature of 30℃. It is a very ideal solution in the inlet and outlet system of flammable storage tanks. 

    Fusible Link Valve For Gas Station

    Case Study

    We were commissioned by the distributor of HIMOINSA diesel generator sets to retrofit fuse valves on 13 sets of 1500KW high-pressure generator units for a new project. The selected fusible link safety valves are a kind of valve for chemical pipeline flammable medium fire prevention, which does not need air or power supply, when the ambient temperature reaches ≤80 to 100℃, the alloy material of fusible link melts, the mechanical piece disconnected, the spring returns drives valve closes, which effectively prevents the expansion of the situation and protects the safety of storage tank/equipment and personnel.

    The fusible link valve is a kind of valve that can detect the temperature by itself and can close automatically when a fire occurs.

    In this case, HIMOINSA distributors highly praised our products and service and said they would cooperate more on diesel generator sets in the future.

    Product Features of Fusible Link Valve for Diesel Generator Set

    fusible link ball valve

    1. Automatic shut-off in case of fire

    2. Fusing temperature is 165°F (74°C) – 360°F (182°C) optional

    3. The valve body material available option carbon steel, stainless steel, fluorine lining

    4. The valve type has a ball or butterfly valve

    5. Connection: Ball valve (threaded, welded, flange). Butterfly valve(wafer, lug, flange)

    6. Suitable medium: ammonia, gas, liquefied gas, methanol, oil, combustible gas, combustible liquid

    7. 304 stainless steel internal parts are used to ensure the cleanliness of oil conveying and improve the anti-corrosion performance.

    Final Thought of Diesel Generators Application

    THINKTANK is the only professional manufacturer of fire safety fusible link valves in China, we have exported more than 2200 sets of fusible safety valves to the USA, Bulgaria, Nigeria, India, Singapore, Indonesia, Malaysia, Qatar, Saudi Arabia, Mexico, Canada, UAE, Philippines and other countries in 2021. If you are a manufacturer, distributor of diesel engine power generation set, or a service provider of oil depot, or storage tank, welcome to contact us, we are now recruiting agents and distributors all over the world. Grab this great opportunity for environmental protection and safe production, and let’s explore a broader market together.

    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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    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.

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