SAFETY VALVE Russian patent published in 2021 - IPC F16K11/44 F16K31/122 A01J5/04 A01J7/02 

FIELD: agriculture; machine building.

SUBSTANCE: safety valve (11) for the milking device cleaning device for milking animals milking contains the first locking valve (20) with inlet (110), the second locking valve (22) with outlet (120), outlet valve (21) with outlet (130), piston rod (37) and drive assembly (34), wherein safety valve (11) is configured to switch between the locking position, in which first locking valve (20) and second locking valve (22) are closed to block input (110) and output (120), and outlet valve (21) is open for connection of outlet (130) to connecting element, and through position, wherein first locking valve (20) and second locking valve (22) are open for connection of inlet (110) to outlet (120) by means of connection element, and outlet valve (21) is closed to lock outlet (130). First interlocking valve (20), the second interlocking valve (22) and outlet valve (21) of safety valve (11) are made in the form of seat valves with a common piston plate (40).

EFFECT: safety valve is proposed.

18 cl, 14 dwg