NSV series solenoid valves with pistons are widely used in refrigeration,Website:://.fs-controls.com, pneumatic and hydraulic system as automatic controls,are also used in boiler and fire-fighting,etc.Solenoid valves use full-closed magnetic coil and DIN international standard electric plug,so it is characterized by its good insulation,waterproof,moisture proof,anti-vibration and corrosion resistance.Types and data:Download:NSV2.2A Direct-acting solenoid valves