Parker Hannifin P2M1T3ES2C Series T Valvetronic Individual Wire Island Valve Module, 3-Way, 2 Position, Single Solenoid, Spring Return, 24 VDC, Size 1: Amazon.com: Industrial & Scientific
Parker D1VW Series - Double solenoid, 3 position, spring centered - NFPA D03 (CETOP 3, NG 6): Amazon.com: Industrial & Scientific
Parker Hannifin B6X2000XXA B6 Series 4 Way Air Control Valve, 2 Position NC-Air Return/Spring Assist, Single Remote Pilot Valve, Remote Pilot: M5 or Valve Less 15mm Solenoid, 3/8" NPT Inline Port: Amazon.com: