Float Air Vent
There are usually air or gases in the liquid line and system, this air or gases causes to disturbance of liquid current, equipment corrosion, inappropriate operation of pumps or do not let system fulfill with liquid .it should be evacuated from system and this is air vent function. FAV 30-13 is specifically designed for hot or cold water or other similar systems. This kind of air vent can be serviced or maintained easily without any separation from system or line. A floater in side of trap opens or closes orifice by using connected lever which is moved the small shot, according to the air measure. Opening of orifice is gradually and transient alteration does not effect on it. This type of air vent is more useful in the system which gas or air is produced permanently and also used in thermal and cryogenic energy transfer system or other similar case.