Flow limiter for fluid pipe, has adjusting unit with radial arm integrated to valve crossing oblong hole, and comprising outer sleeve with thrust shoulder in adjustable position along body to adjust position of shoulder with respect to seat

摘要

The limiter has a cylindrical body (1) with a central channel on an axis. A mobile valve (8) with a seat (12) is axially arranged in the channel. An adjusting unit permits to adjust the valve with respect to the seat along a valve guide (7). The unit has radial arms (9a, 9b) integrated to the valve crossing an oblong hole (10a, 10b) of the body with an end projecting outside the body. The unit has an outer sleeve (16) with a thrust shoulder (19) at an end of the arm, where the shoulder is in adjustable position along the body to adjust the position of the shoulder with respect to the seat.