Stainless steel pneumatic silencer throttle valve, also called an adjustable pneumatic silencer or flow control silencer, is used to vent pressurized air to the atmosphere at an adjustable flow rate. Air exiting a pneumatic pressurized system can cause an audible noise, which can cause harm to workers or not meet application noise specifications. They decrease the audible noise by increasing the surface area of the release of pressurized air. As it is a throttle valve, it can function as a needle valve as well. By turning the knob, you can ad…