Exhaust screw types: Exhaust screws are usually divided into different types, including fixed exhaust screws and adjustable exhaust screws. Adjustable exhaust screws usually have rotating or sliding parts to adjust the ventilation as needed.

Size and thread: The size of the exhaust screw is usually determined by the diameter (thread specification) and length. The most common thread specifications include inch and metric units, such as UNC, UNF, M6, M8, etc. The length of the screws will also vary according to the specific application.

Use and precautions

The bleed bolt can be used in various pipeline systems, the main function is to adjust the air pressure, reduce the pressure of gas or liquid in the pipeline, and remove the gas or liquid in the pipeline. Before using the bleed bolt, it is necessary to select and install according to the following precautions:

1. Choose the right type and specification, and choose the right material and size according to the specific use scenario and needs.

2. Pay attention to the screwing depth and looseness of the air drain bolt during installation, otherwise it may cause air leakage or other accidents.

3. Before adjusting or replacing the air drain bolt, empty the gas or liquid in the pipe to avoid danger.

4. In the process of use, it is necessary to regularly check whether the exhaust bolt is loose or damaged, and adjust or replace it in time.

Note:Any oreder,Please state your request in details,Such as :Quantity,Dimension(Length,High,thickness,wideth,or fixed length),Materials,Standard etc.