VALVE REV COUNT OF INDICATOR

摘要

PURPOSE: An RPM indicator for a valve is provided to control the opening and closing of a valve disc and to easily check the opened and closed position of the valve disc. CONSTITUTION: An RPM indicator for a valve comprises a rotary shaft(10), a bevel gear(20), a counter(30), a case(40), and a support device(50). A connection flange(12) is formed at the bottom end of the rotary shaft so that the rotary shaft can be connected to a spindle(4) for rotating a valve disc. An adjusting cap(11) is installed at the top end of the rotary shaft to rotate the spindle. The bevel gear is installed on the outer circumference of the rotary shaft to convert a horizontal rotating motion of the rotary shaft into a vertical rotating motion. The counter is connected to the bevel gear to indicate the RPM of the vertical rotating motion. The case surrounds the exterior of the bevel gear and the counter. A connector(42) is formed in one end of the case. In order to support the case, one side of the support device is coupled to the connector of the case and the other side thereof is fixed.