SHUT-OFF VALVE Russian patent published in 2001 - IPC

Abstract RU 2162557 C1

FIELD: power engineering, chemistry, gas and food industries, etc. SUBSTANCE: shut-off valve has shut-off element with rod provided with annular slot, as well as retainer with reset spring and electromagnetic actuator which is mounted for locking within slot when valve is in open position. Rod has conical section mounted for displacing spherical rod of end-position indicator for shut-off element as it approaches conical section of rod.. The latter is located between slot and loose end of rod. Valve provides for maintaining constant flow section throughout its entire operating range. EFFECT: improved economic efficiency of actuator; provision for indicating end positions of shut-off element. 5 cl, 5 dwg

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RU 2 162 557 C1

Authors

Vaninskij N.Kh.

Lisovskij R.Z.

Fedoruk A.V.

Chechurov V.A.

Dates

2001-01-27—Published

1999-05-13—Filed