Shut-off and regulator device for controllable mechanisms intend

Details Shut-off and regulator device for controllable mechanisms intend Shut-off and regulator device for controllable mechanisms intend

1975-07-18

1977-09-20

Cohan, Alan

Fluid handling

Systems

137268, 251145, 251344, F16K 326

Patent

active

040490181

ABSTRACT:
A shut-off and regulator device for controllable mechanisms intended for installation in pipelines, comprising a shut-off and regulating element movable between a closed position for engagement with a sealing seat and for inhibiting the flow of a pressurized fluid medium, and an open position, under the control of the pressurized medium, the shut-off and regulating element comprising a tubular spool sleeve which is adapted to be sealed in relation to a guide parallel to the pipeline when the device is installed and to move in relation thereto, and the sealing seat comprising an annular sealing face on a seat element fixed inside the spool sleeve, the seat element containing at least one passage, which in the open position, forms a through passage in association with at least one passage contained in the spool sleeve.

REFERENCES:
patent: 2676611 (1954-04-01), Page
patent: 3045759 (1962-07-01), Garrett et al.
patent: 3094306 (1963-06-01), Conrad
patent: 3340889 (1967-09-01), Petzold
patent: 3557822 (1971-01-01), Chronister
patent: 3587641 (1971-06-01), Johnson

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