Valves and valve actuation – With correlated flow path – Pipe coupling or union
Patent
1974-12-27
1976-09-28
Cline, William R.
Valves and valve actuation
With correlated flow path
Pipe coupling or union
1374542, 251151, 251315, 251367, 285325, F16L 2900
Patent
active
039827275
ABSTRACT:
The flangeless valve is disposed between flange bolts of adjacent pipe flanges. The valve comprises a body which has two parts, a closing element rotatably mounted within the body and seat rings mounted in ring-shaped transverse grooves machined in both sides of the body. The valve body diameter is small enough so that the valve may be placed in the pipeline, between flange bolts of the pipe flanges. Most bolts do not contact the valve body and pass through holes in the pipe flanges; other fasteners are attached to a frame on the valve through the flanges thereby transmitting the bolt clamping force. One body construction can use a circumferential seal between the body halves in the body joint. Such seal ends at the shaft and a ring-shaped seal is located in a plane perpendicular to the circumferential seal and presses against its ends with a tightenable bushing.
REFERENCES:
patent: 1796159 (1931-03-01), Pallady
patent: 1900561 (1933-03-01), Junggren
patent: 2895496 (1959-07-01), Sanctuary
patent: 2992655 (1961-07-01), Davis
patent: 2998223 (1961-08-01), Baxter
patent: 3023783 (1962-03-01), Vickery
patent: 3348804 (1967-10-01), Piccardo
patent: 3367359 (1968-02-01), Johnson
patent: 3561730 (1971-02-01), Hurst
patent: 3583668 (1971-06-01), Nelimarkka
Cline William R.
Neles Oy
Spiegel H. Jay
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