How to Keep Butterfly Valves Running Smooth


Every vehicle produces a certain kind of exhaust/noise, and sometimes, the sound is not that soothing to the ears. For lowering and tuning down the uncomfortable resonance from the exhaust, the engineers made noise cancellation equipment be fitted near the exhaust. Exhaust valves are a form of noise-reducing actuator often seen in automobile exhaust systems. 99% of vehicles you see on the road will have some noise cancellation equipment installed on them.

This article discusses how this equipment works and offers maintenance advice for common exhaust Butterfly Valve problems. Read the article to understand the importance of servicing and maintaining the silencer/valve in proper condition.

What is this equipment, and how does it work?

These are a form of actuator used to silence or minimise noise from various applications. These equipment are frequently seen in vehicles and motorcycles; they are commonly connected with the automotive sector.

Engines operate quieter at low RPMs and start faster and smoother when exhaust valves are working correctly. The heat from the exhaust manifolds will also warm the fuel-air mixture, resulting in a cleaner start.

On the other hand, Exhaust valves can fail in various scenarios if not kept in proper condition. For the smooth running of your vehicle or machine, you need to keep the silencer in proper condition and service it regularly. Improper servicing and mismanagement of the parts of this equipment can result in the breakdown of your vehicle on the roads.

The following are the ways in which you can maintain the butterfly valve for proper functioning and long-lasting performance.

Tips for maintaining these exhaust valves are as below:

For sticky parts

Superheated air/gases may become trapped within these exhaust manifolds if they remain closed. Because the trapped gases prevent gasoline from entering the engine, this has a negative impact on vehicle performance. This can be rectified by moving the counterweight that controls the equipment’s motion during an oil change. If the valve shaft is stuck, tap it lightly with a hammer several times to loosen it.

Closing the valves

In contrast, if the exhaust silencer remains open, the gas-air combination will become too rich, causing engines to slow down. Unburned gasoline will splash around inside the cylinders unless valves are set to support a balanced fuel mixture, fouling other vehicle components.

Apply a solution of alcohol combined with powdered graphite to the shaft as a lubricant to seal the silencer. If this doesn’t work, try spraying with a rust-removing solvent, which will enter spots where the homemade lubricant can’t. This technique will speed up your engine real quick.


Finally, do not lubricate exhaust equipment with any form of oil as a general rule of thumb. If lubrication is necessary, keep to the above approach because even the thinnest oil types will cause the valve to seize and seal tighter than before, in both open and closed positions.

A butterfly valve is a dependable, tight-fitting bi-directional valve utilised in various industries such as food, shipbuilding, and so on. When compared to other valves, installing this equipment is highly cost-effective. It can close the valve disc, and this equipment also serves the purpose of guiding the flow and beautifully cutting off the liquid/gas.

Adhere to these tips to keep your automobile in excellent condition and avoid breakdowns and mishaps in the middle of your weekend trip.

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