4R hand draw valve is manual controled. They are 2/3 and 2/5 valves. The advantages are: light operation force, good seal, and long working life.
Specification Code 3R:Two-position Three-way 4R:Two-Position Five-way 3L:Two-position Three-way
Series No 2:200 Series
Number of Places 10:Sing-head Double-Position
Joint Pipe Bore 06:G1/8" 08:G1/4"