180L0255, Danfoss HPP, 2/2-way Solenoid block valve, type VDHT B3 3/4-1/2 NC NPT - Normally closed (NC), National pipe thread (NPT). The VDHT valve series are designed for several applications in neutral media compatible with the sealing and O-ring materials used. Typical media are water, cleaning fluids and light heating oil. The valves are used in several applications: car wash systems, stationary high pressure cleaning, mobile cleaning vehicles and dust bindings systems, ect.