Drain valve for modern flat heater, has valve body that is brought into opening position by utilizing spout, where valve body is automatically brought into closing position by utilizing reset force of spiral spring

摘要

The valve has a valve housing (1) that is attached in an opening or threaded opening of a heater. A valve body (2) is axially displaceable by a customary spout. The valve body is brought into an opening position by utilizing the spout. The valve body is automatically brought into a closing position by utilizing a reset force of a spiral spring (8). The spiral spring is arranged at ends of the valve housing.