4 Valve Outlet Adapter w/ Pressure ReliefProduct Code: ERP4V
This manifold valve connects to 1/4" metal FPT and splits the airflow to 4 3/8" airlines. It comes standard with a 25 psi pressure relief valve. It is also available via special order with 10 psi for use with Rotary Vanes, or 40 psi for use with higher pressure Piston Compressor applications. The pressure relief valve protects the compressor from excessive backpressure if there is some sort of blockage in the airline or diffuser.
Photo shows a 3 valve outlet.