The DSP-1 type valve is an entirely new type of valve for clean gas cylinders, especially developed in accordance with the specifications for ultra-high purity gases in super clean rooms of the Electric Communications Laboratory of Tohoku University.

• Complete & Quick purging of residual gas
• Outside screw structure to prevent particle contamination
• Minimum particle generation
• New connection between Cylinder and valve
• Minimum dead zone
• Ultra high precision polishing
• High-temperature baking (Max.392F/200ºC)