Product details : FESTO 151166 ONE-WAY FLOW CONTROL VALVE GRLA-1/8-PK-3-B
One-way flow control valve GRLA-1/8-PK-3-B Valve function=One-way flow control function for exhaust Air, Pneumatic Connection, port 1=PK-3 with union Nut, Pneumatic Connection, port 2=G1/8, Adjusting element=Slotted head screw, Mounting type=Threaded