SMC | IL201/211/220 Series, Lock-Up Valve

- Relays/Valves - The lock-up valve is used when any air source or air supply piping line failure occurs in the air operated process control line. - Single acting, Double acting: Retains the pressure at the operating area as an emergency operation until the air source recovers to its normal state - 3 port: Changes the supply port if a problem occurs - Contact us for your SMC Product needs.