The 4F foot valve is controled by foot step on it. They are 2/5 valves., can be with cover and lock.They have very steady quality.
Specification code 4F:Tow-position Five-Way Foot valve
Series Code 2:200Series
Numder of Places 10: Single-head Double-position
Joint Pipe Code 08:G1/4〞
Type Code Blank:standard type L:with lock G:with cover LG:with lock and cover