DEVICE FOR THE CONTROL OF AIR PIPING CHECK VALVE OPENING MOMENT A carrier (5) fitted with permanent magnet (4) is adjustably arranged in an air piping (1) longitudinal axis on the side of a valve stop (3) which side is turned away from the space wherein the adjacent part of the check valve (2) performs a swing motion towards the positive stop (3). In one of the air piping (1) spaces in which said check valve arms perform a swinging motion, there might be fastened an adjustable stop (7) and an adjustable pe21: 02373-92 11: 278601

摘要

A carrier (5) fitted with permanent magnet (4) is adjustably arranged in the longitudinal axis of an air pipe (1) on the side of a valve stop (3) the side of which is turned away from the space where the adjacent part of the reverse clack-valve swings toward the valve stop (3). In one of the air conduit spaces (1), into which the arm of the reverse clack-valve (2) swings, there may be a fixed adjustable regulable stop (7) and adjustable permanent magnet (14).