The bellows valve of Primet has an excellente air-tight structure to protect the portions making contact with the fluid (media) from the atmosphere in order to make the screw-type stem corrosion-inhibitting.
Primet diaphragm valves minimize a generation of particles for UHP processes. Because these valves are designed so that screws, springs and any sliding parts are not included in their own wet surface. Their open and closing operations are performed by curving diaphragm.
Primet ball valve series have no physical obstacle for flow to employ ball valve element which can reduce any swirling and / or pulsating current. This valve is simple structure and easy to use for Semiconductor, Photovoltaic, Space development, Medical related and chemical plant etc.