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Niedertemperaturventile
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Die Ventile, die für Medien zwischen -40℃ bis -196℃ geeignet sind, heißen Niedertemperaturventile. Sie umfassen Niedertemperaturkugelhähne, Niedertemperaturabsperrschieber, Niedertemperaturabsperventile, Niedertemperaturklappenventile, Niedertemperaturdrosselklappe und werden für Ethylen, Flüssiggas, LPG LNG Behälter, Luftzerlegungsanlage, Trennungsapparat des petrochemischen Abgas, Niedertemperatur der Speichertank für flüssigen Sauerstoff, Stickstoff, flüssiges Argon und Kohlendioxid verwendet. Die Medien sind nicht nur leicht brennbar, sondern auch explosiv. Mit steigender Temperatur werden sie vergast und das Volumen wird hundertfach ausgedehnt.
Niedertemperatur Absperrventile
Niedertemperatur Absperrventile
Cryogenic gate valve is straight-through valve. It's closed when rotate hand wheel clockwise, and the flashboard drops and cuts off the channel. It's opened when rotate hand wheel counter-clockwise, and the flashboard rises. 1. The flashboard has two sealing faces. The most commonly used flashboard has a wedge forming by two sealing faces. The wedge angle varies with valve parameters, usually 5°. 2. The sealing principle of wedge gate valve is seal through close connection of wedging of two sealing faces of wedge flashboard and two..
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Niedertemperatur Absperrschieber
Niedertemperatur Absperrschieber
Cryogenic globe valve uses valve stem pressure to make the sealing face of valve clack and sealing face of valve seat fit tightly to cut off medium. It's a forced seal valve. 1. Flow direction of medium in globe valve includes "low in and high out" and "high in and low out". The medium is allowed to flow in only one direction. The valve shall be installed in right direction. 2.  Cryogenic globe valve has structure of straight-through type, direct flow type and right angle type. 3. When globe valve is open, and the opening heig..
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Niedertemperatur Kugelhaehne
Niedertemperatur Kugelhaehne
1. Cryogenic ball valve is a kind of valve that is mainly for ethylene, liquefied natural gas and other chemical device. It's mainly divided into cryogenic floating ball valve and cryogenic standing ball valve. 2. Long-necked structure is not usually applied for temperature above -50℃, and applied for temperature below -50℃. It aims to protect the stuffing box. Locate stuffing box far away from low temperature. To guarantee sealing effect of the stuffing, cold insulation material also can be wound to prevent loss of cold energy. it's..
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