VALVE DEVICE AND LINER FOR VALVE DEVICE Russian patent published in 2018 - IPC F16K1/52 F16K27/02 F24D19/10 

FIELD: technological processes.

SUBSTANCE: valve device (1) comprises valve body (2), inlet and outlet (3, 4) of the valve, main valve element (5) and main valve seat (6). Main valve seat (6) is located in the flow channel between inlet and outlet ports (3, 4). Body (2) comprises liner (7) which has the shape of a circular cylinder and comprises inlet (10) of the liner and peripheral surface (9). Peripheral surface (9) comprises outlet opening (11) of the insert, inlet (10) being connected to outlet (11) by a channel passing through liner (7). Liner (7) comprises sealing element (8) for providing a sealed seal located on the radially outer side of peripheral surface (9) and cooperating with body (2). Sealing element (8) comprises a sealing section that is inclined relative to the direction of the axial extension of liner (7). Liner (7) comprises base (12) of the liner to ensure stability of liner (7) in body (2). Base (12) is the axial end section of the peripheral surface. Peripheral surface (9) comprises inlet (10).

EFFECT: sealed seal between the inlet and outlet openings is provided.

11 cl, 12 dwg