Patent ID: 9091370
Filing Date: 2015-07-28
Classification: F16K,Y10T

Abstract:
1. A ball valve, comprising: a valve body with one or more tubular connection portions detachably connectable to corresponding connection ends of a fluid conveying system, a control handle, a shutter housed in the valve body and connected to the control handle by means of a drive shaft, one or more threaded ring-nuts screwable to said connection portions and connection ends to connect them, and a ring-nut spanner tool suitable for engaging an attachment portion of the ring-nut to screw and unscrew the ring-nuts from the connection portions, wherein the ring-nut spanner tool is housed in a rest position in a tool cavity made in the control handle and can be moved from the rest position to a working position outside the tool cavity, and wherein in the working position the ring-nut spanner tool can engage the attachment portion of the ring-nut.