Industrial high pressure valves according to nominal diameter

(1) Small-diameter valves: valves with nominal diameter DN < 40mm.

(2) Medium-sized valves: valves with nominal diameter DN of 50-300 mm.

(3) Large-diameter valves: valves with nominal diameter DN of 350-1200 mm.

(4) Extra large diameter valves: valves with nominal diameter DN (> 1400mm)