Control and cut-off valve for flowing media

Details Control and cut-off valve for flowing media Control and cut-off valve for flowing media

F - Mech Eng,Light,Heat,Weapons

16

K

137/131

F16K 5/00 (2006.01) F16K 11/00 (2006.01) F16K 11/085 (2006.01) F16K 11/20 (2006.01)

Patent

CA 1138744

ABSTRACT The present invention refers to a control and cut-off device for media flowing to consumer apparatuses and flowing back therefrom. For example, dosing equipment, ventilation assemblies, heating and cooling arrangements, among which also conditioning plants are classified. The valve is then made especially to be reliable also after a long period of service, to give a close control of a small quantities of medium, to be capable of admitting locking of the pre-setting and thereby to prevent un- authorized persons from making a resetting without difficulty and to admit cutting-off of the consumer apparatuses from the source of medium. The control and cut-off device according to the invention includes a valve housing having two connection openings for connect- ion to a source of medium and two connection openings for connection to consumer devices and within the valve housing a rotatable control and cut-off member to control and cut-off the flow of medium. The valve housing is then provided with a cylindrical boring with which the connection openings have connection, a first tubular valve slide being rotatably mounted in the boring and having a cylindrical boring into which a second tubular valve slide is rotatably fitted. These valve slides are provided with openings so that they bring about a control or cut-off, respectively, of the medium by rotation.

340508

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