Trap is used in steam pipe network and equipment, can automatically discharge condensate, air and other non-condensable gas, and water vapor leakage valve. According to the different working principle of steam traps, steam traps can be divided into the following three types: 1. Mechanical type: relying on changes in the height of the condensate water vapor in the steam trap changes, including: Float type: the float is closed Hollow sphere, open upward Float: Float is open upward barrel, open downward Float: Float open downward barrel 2. Thermal static type: Rely on the liquid temperature changes and actions, including: double Metal: The sensitive original is bimetallic, steam pressure type: The sensitive original is bellows or ink cartridge, the interior is filled with volatile liquid. 3. Thermodynamic type: Rely on the thermodynamic properties of the liquid changes. Disc type: Because of the same pressure, the flow rate of liquid and gas are different, resulting in different dynamic and static pressure to drive the disc valve action. Pulsed: Due to the different temperatures of the condensate through the bipolar series orifice plate, sitting in the bipolar orifice orifice between the different pressures, driving the valve action.
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