1 Neuma solenoid valve adopts balanced D-type sealing ring, fixed on the sliding shaft, it has long service life because of the small contact surface.. 2 With Italian-branded AMI-SCO (who serves for Honeywell, Parker, etc.) solenoid coils, junction boxes are designed to achieve IP65 protection levels and are certified for European safety.. 3 Some models have the same size and specifications as Airtac and can be replaced directly without the need to change the drawings.. 4 Our solenoid valve is cheaper that other brand’s on an equal basis.