Ball valve, for use in chemical and pharmaceutical industries, rotates inside sleeve, cage around sleeve holding flexible rings against flanges on its ends, around inlets and outlets in ball

摘要

Ball valve (3) rotates inside a sleeve (6) which also partially covers its shaft (3a). A cage (2) fits around the sleeve and holds flexible rings (4) against flanges (6a) on its ends, around inlets and outlets (7, 8) in the ball.