Cadel Engineering Works offers Double Lock Valve with Intermediate Flange. Cadel Engineering Works supplies various types of valves. Double Lock Valve with Intermediate Flange is suitable for to control the flow of powders, granules, flakes, crystals etc. Double Lock Valve with Intermediate Flange is available with flanges at both ends. The flange at the upper end is held stationary while the flange at the lower end is rotated so as to twist the diaphragm. These results in an effective locking and unlocking arrangement which helps control the flow of material through the diaphragm.