EV220S is a range of streamlined compact servo-operated 2/2 way solenoid valves with connections from 1/4" to 2", special designed to fit in applications where space is limited.EV220S can be used in the following applications: Water shut off (EPDM version) - (building control, commercial tap water supply, leak detection, heating and cooling, water for industrial processing, laundry and dishwashing, car washing) and Oil, air neutral media's (FKM version ) - (air compressors, factory processes, pump cooling)