Pneumax 1740.50.NR, 1/8 Ports, 40 mm Druckverstärker 2-1 Verhältnis 20 bar max.

Pneumax Pressure Booster 2-1 ratio. Pressure Booster 2:1 Ratio. Compression ratio - Automatic operation for use with compressed air only -. you put 6 bar in you get 12 bar out and so on up to 20 bar. 20 bar max input.

eBay