Restriction orifice

The utility model relates to a restriction orifice which comprises an orifice body. The restriction orifice is characterized in that a plurality of through holes are formed in the orifice body, and the specific value of the length of each through hole in the axial direction and the diameter of each...

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Bibliographische Detailangaben
Hauptverfasser:	SHANGGUAN ZONGJIAN, LIN MIN, HUANG RUIHE, HONG CHENJUN, CHEN XIANSUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a restriction orifice which comprises an orifice body. The restriction orifice is characterized in that a plurality of through holes are formed in the orifice body, and the specific value of the length of each through hole in the axial direction and the diameter of each through hole is larger than or equal to 12. According to the technical scheme, outlets of the through holes are not prone to cavitation, pressure drop is large, noise is small and vibration is small.