D03 electrical box solenoid valves mount on the NFPA D03 / ISO 4401-03 pattern and wire each coil to a terminal strip inside an enclosed electrical box, which keeps connections protected on the machine. Island Hydraulic Supply stocks Hyvair D03 solenoid operated directional valves in this style, rated up to 5000 psi and 26.4 gpm, in single and double solenoid models with 12 VDC, 24 VDC, 115 VAC and 230 VAC coils.
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