Zhejiang Vituli Valve Manufacturing Co., Ltd. successfully developed the "double valve stem insulation jacket cut-off valve".
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The OTIS LINK escalator, with its modern design, innovative technology and advanced processes, will further enhance and reinforce OTIS` reputation as the premier provider of escalators. To develop superior escalator technology and performance, we combine careful research of our customer`s needs with extensive analysis of modern escalator design.
The OTIS 510 PSE escalator is the ideal people-moving solution for venues with heavy passenger traffic such as railway and bus stations, subway stations, exhibition hairs, airports, pedestrian under-and over-passes and other public transport centers, both indoor and outdoor.
Otis 513 MEP sets the new standard of escalators for heavy traffic. Its safety, robustness, reliability and life time comply with the high requirements of the public transport sector in accordance with all international codes.
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The double valve stem structure has the following characteristics: First, the lower valve stem is an integral structure, the concentricity is high, the cone sealing can be realized, the closing force is small, and the sealing is reliable; the second is that the valve body body parts can achieve smoothness and no medium crystal dead angle, It can effectively prevent the crystallization of the medium; the third is that the lower valve stem can only be used for lifting and lowering, the sealing part is sealed, the life is long, the structure is compact, and the manufacturing process is good; the fourth is mainly used in petroleum, chemical, metallurgical, pharmaceutical and other systems to transport High-viscosity medium that will solidify at room temperature; fifth, the jacket is welded between the flanges on both sides of the valve, and the side or bottom of the valve has a jacketed connection port, and the jacket can freely flow through steam or other heat. The insulation medium ensures that the viscous medium flows smoothly through the valve.
OTIS LINK has been created to meet the demands of the world market and to suit a wide variety of customer segments and applications.