Abstract: The present invention refers to a valve actuator device comprising an upper plate and a lower plate facing each other, defining a housing inside which a cylinder with a stem is housed. The stem is connected to a rotor arm by a guiding element inserted and slidably in line between a lower position and an upper position within guiding grooves arranged in the respective upper plate and lower plate. The rotor arm is configured to rotate about a rotation axle arranged in a rotating element. The valve actuator device may include a position sensor system for detecting an open position and a closed position. The valve actuator device may include a manual override system for manually opening or closing the valve.

Abstract: The present invention refers to a valve actuator device comprising an upper plate and a lower plate facing each other, defining a housing inside which a cylinder with a stem is housed. The stem is connected to a rotor arm by a guiding element inserted and slidably in line between a lower position and an upper position within guiding grooves arranged in the respective upper plate and lower plate. The rotor arm is configured to rotate about a rotation axle arranged in a rotating element formed by two portions: an adapter portion for the connection thereof with the valve stem, and a display portion comprising a visual indicator. The valve actuator device includes a position sensor system for detecting an open position and a closed position.

Abstract: The invention refers to a safety valve having a double seal system that combines a metal-metal seal and an elastomeric ring arranged on the valve body. The safety valve comprises and external casing having a hollow main body configured to receive a piston that slides axially between an upper position and a lower position, the safety valve comprises a closing element pivotally attached to an annular seat and actuated by a torsion spring, wherein said closing element has a support face on the annular seat comprising a recessed perimeter surface and sloping intermediate surface jointly forming a first seal region, said annular seat has a second seal region consisting with said first seal region on the closing element, both regions defining a metal-metal seal, and wherein said second seal region on the annular seat comprises a perimeter groove configured to house a seal element made from elastomer.

Abstract: The invention refers to a safety valve having a double seal system that combines a metal-metal seal and an elastomeric ring arranged on the valve body. The safety valve comprises and external casing having a hollow main body configured to receive a piston that slides axially between an upper position and a lower position, the safety valve comprises a closing element pivotally attached to an annular seat and actuated by a torsion spring, wherein said closing element has a support face on the annular seat comprising a recessed perimeter surface and sloping intermediate surface jointly forming a first seal region, said annular seat has a second seal region consisting with said first seal region on the closing element, both regions defining a metal-metal seal, and wherein said second seal region on the annular seat comprises a perimeter groove configured to house a seal element made from elastomer.

Abstract: The present invention refers to a valve actuator device comprising an upper plate (1) and a lower plate (2) facing each other, defining a housing inside which a cylinder (3) with a stem is housed, said stem (5) being connected to a rotor arm (7) by means of a guiding element (8) inserted and slidably in line between a lower position and an upper position within guiding grooves (9, 9?) arranged in the respective upper plate (1) and lower plate (2), wherein said rotor arm (7) is configured to rotate about a rotation axle (11) arranged in a rotating element (12), said rotating element (12) being formed by two portions: an adapter portion (12?) for the connection thereof with the valve stem comprising the rotation axle (11) in which the rotor arm (7) is inserted, and a display portion (12?) comprising a visual indicator (17), and a position sensor system (18, 18?) for detecting an open position and a closed position.

Abstract: A rotating spool having elongated bolt holes or stadium bolt holes for rotating the spool for alignment of components attached to the ends.