Electric Solenoid Valve G1/2in 2 Position 4 Way Single Control Directional Valve Q24DH‑15AC110V Item Type: Electric Solenoid Valve Material: Aluminum alloy Model: Q24DH-15 Interface Diameter (inch): G1/2 Pressure: 0.15～0.8 (mpa) Reversing Time (s): ≤0.04 Maximum Allowable Commutation Frequency (Hz): 8 Discharge Flow Rate (cm³/min): 10 Environmental Temperature (℃): -5~50 Medium Temperature (℃): -5~50 Life (thousand times): ≥1500 How e:  1. During debugging or power failure, manual operation can be used (manual switch "0" position is off, "1" position is on). 2. The inside and outside of the pipe must be cleaned during installation, and then the dust cap must be removed. 3. Suitable to disassemble and wash or add some lubricating oil for long storage time or long-term use or unskilled action.