Check valve has return valve pitch, which has seat pin movable opposite to valve seat, and operating pitch, which has hydraulically adjustable auxiliary piston

Check valve has return valve pitch, which has seat pin movable opposite to valve seat, and operating pitch, which has hydraulically adjustable auxiliary piston

The check valve has a return valve pitch (5), which has a seat pin (14) movable opposite a valve seat (12), and an operating pitch (3), which has a hydraulically adjustable auxiliary piston (16). The hydraulically adjustable auxiliary piston brings seat pin into a given position. A manual control un...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: WIRZBERGER, FRANZ
Format: Patent
Sprache:eng ; ger
Schlagworte:
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Beschreibung
Zusammenfassung:The check valve has a return valve pitch (5), which has a seat pin (14) movable opposite a valve seat (12), and an operating pitch (3), which has a hydraulically adjustable auxiliary piston (16). The hydraulically adjustable auxiliary piston brings seat pin into a given position. A manual control unit (22) is provided, by which the auxiliary piston is adjustable. Ein Sperrventil mit einer Rückschlagventilstufe, die einen gegenüber einem Ventilsitz beweglichen Sitzkegel aufweist, und mit einer Betätigungsstufe, die einen hydraulisch verstellbaren Hilfskolben aufweist, welcher bei hydraulischer Betätigung den Sitzkegel in eine vorgegebene Stellung bringt, besitzt außerdem eine Handbetätigungseinrichtung, durch die der Hilfskolben verstellbar ist.