... pollution conditions.5.Good substitution for solenoid or pneumatic valve. 6. High protection class,can be worked ... : PTFE, silicon rubber ball seat, EPDM and NBR stem seat, NBR o-rings .Body: brass or stainless ... motorized valve, actuated valve, motor operated valve, motor actuated valve, automatic valve, control valve, shut off valve, actuator valve, electric operated valve mini electric ball valve ...