Errore nel formato dell'e-mail
emailCannotEmpty
emailDoesExist
pwdLetterLimtTip
inconsistentPwd
pwdLetterLimtTip
inconsistentPwd
Pneumatic ball valves are a kind of pneumatically controlled ball valve and are externally controlled. The driving mechanism is simple and reliable, and can be used in various applications to switch, regulate, or control the flow. The ball valve is normally operated by pneumatic devices.