A Simple Tip for Avoiding Accidental Valve Operation


ball valve

There are many drain valves around the plant site. These valves can be installed at equipments or pipe lines. Generally, they are operated only at certain conditions such as for draining condensate and depressurized equipment or piping line. In this case, we talk about ball valve with valve handle type as shown by the image on left.

However, these drain valves may be operated accidentally, hit by plant operators or misoperation, which potentially creating an emergency situation. As an example, if the drained material is highly flammable liquid.

Then, how to avoid such problem? Actually, it is very simple, i.e. by locking the valve handle so that it remains closed even though hit by someone or when someone try to open it.

Another way that you can try is by removing the valve handles. But if you try to do this, you will be in big problem when you need to open these valves quickly as required by the operation.

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