The SMC SQ1A31N-51-C4-Q SQ1000 Series 5 Port Solenoid Valve Plug-In Unit Valves are designed for efficiency and ease of use. With a power-saving feature of just 0.4 W in standard mode, these valves are both energy-efficient and cost-effective. The modular design allows for easy addition or reduction of valve stations, making it adaptable to your specific needs. Maintenance is simplified with a single screw mount, and the clip type One-touch fittings can be replaced effortlessly. The connector entry direction is adjustable with a simple push, providing flexibility in installation. This unit features a 4 position dual 3 port valve and offers an optional built-in back pressure check valve for enhanced performance. Compatible with manifold types SS5Q13, SS5Q14, SS5Q23, and SS5Q24, this solenoid valve is a versatile and reliable choice for various applications.