Rotary valve with pressure urged sealing member

摘要: A valve consisting of a housing (1) provided with flow-through passage (4), closing member (2) having the shape rotational body or part and an aperture (6), turnably disposed in said passage, sealing (3) between housing. Between has been arranged intermediate space (8) which when is closed position prevails pressure urging against (2). From leads (12) to point close that portion adjacent communicating flow first established being opened.