美国UE炉膛负压压力开关H100-530H100-531UE真空压力开关（U.S. UE furnace negative pressure pressure switch H100-530 H100-531 UE vacuum pressure switch ）

US UE pressure switch H100-530 H100-531 H100-532 Summary:   100 series pressure and temperature switch is a series of switches with very good performance and price ratio. It is widely used in industrial processes and OEM users. The integrated design and the shape and structure of the shell make it stronger and more convenient for wiring. All-weather series switches have a variety of micro switches and a variety of process interface options to meet various needs. With its own characteristics, the 100 series is widely used in heat tracing, antifreeze protection, process equipment (pumps, compressors), alarm panel input and flame arresting system.   Advantages of UE products: ◆ Complete range of products 1/ Pressure switch adjustable range from -0.1 to 62MPA  2/ Temperature switch from -50 to 538 degrees Celsius 3/ Differential pressure switch adjustable range from -0.1 to 3.45MPA  3/ Sensing There are three types of components: diaphragm, bellows, and piston 4/ There are switches used in special places, and there are also small and low-cost switches specially designed for OEM users 5/ Both fixed dead zone and adjustable dead zone pressure switch 6/ Some mechanical Differential pressure and temperature switches can be equipped with on-site indication 7/ There are 2-inch pressure port anti-blocking switches and sanitary flat diaphragm switches . The product is compact in structure, durable, beautiful in appearance and fine in processing. Welded stainless steel design structure  Many models of pressure switches feature a welded stainless steel diaphragm or welded stainless steel bellows construction, omitting the "O" ring, a leak-free design that improves fire resistance in hazardous explosion-proof areas while increasing pressure resistance. Features:   ● Meet UL list and cUL certification and CE standards  ● Single point output (SPDT or DPDT)   ● Welded stainless steel diaphragm   ● Water column level low pressure and differential pressure switch   ● A variety of optional sensing materials can meet various corrosiveness Medium requirements   ● Clean stainless steel sanitary interface   ● Very wide adjustable dead zone to meet the needs of pumps  Symptoms: Pressure switch signaling too fast Cause Analysis (1) The oil inlet damping hole is large (2) The isolation diaphragm is broken (3) The impact pressure of the system is too large (4) The design of the electrical system is wrong Solution (1) The damping hole should be appropriately reduced, or a damping tube should be added to the control pipeline (2) Replace the isolation diaphragm (3) Add a damper tube to the control pipeline to reduce the impact pressure (4) Design the electrical system according to the process requirements  

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