flush bottom valve is ideal for process vessels for landing abrasive, slurry, viscous material or semi solid media. The flush bottom valve we offer has extra long spindle and modified hand-wheel with cylinder arrangements and facilitates the drainage and dead space free shutoff in storage tanks, reactors and vessels. widely used inflush tanks bottom of reactor vessels, autoclaves, etcsupplied withpfa / fep lined coating that is resistant to corrosion and can withstand extreme temperature