For sale is a Nopak "Nopakmatic" Series 310, Model 315 3-Way Solenoid Valve. Valve body marked 315M2. Pilot head assembly marked 1001 and 3-91. Peter-Paul Electronics Co. solenoid assembly marked 120V / 60Hz / 100 PSI / Orifice 1/16" / Series PA. Note: these Nopak Solenoid Valves were taken-off of a running machine tool that I purchased from a local manufacturing plant.