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display cases The characteristics, classification and application of the actuator

The characteristics, classification and application of the actuator Adjust the influence of the object. According to the different modes of action, actuators can be divided into two types: direct action and indirect action. Evaporator flow adjustment and control components display cases In the refrigeration system, usually according to the size of the heat exchange of the evaporator, throttlin...

display refrigeratorTIME：2016-08-22
Display cooler common maintenance tools (2)

display cooler common maintenance tools display cooler mainly includes electrical systems and piping systems. Therefore, when the display cooler is overhauled, the main work is the electrical system and piping of the display cooler The system is overhauled. clamp meter When measuring the start current and working current of the display cooler, a clamp meter is usually used (some also have ...

walk-in display coolersTIME：2016-08-22
display cases Welding rod and flux

display cases Welding rod and flux When welding the pipelines of display cases, welding rod and flux are indispensable auxiliary materials. At present, the commonly used electrodes for welding display cases are mainly copper-phosphorus electrodes, copper-silver electrodes, and copper-zinc electrodes. When welding the pipeline, it is necessary to select electrodes of different materials accordi...

display freezerTIME：2016-08-22
The refrigerant cylinder in the display cooler

The refrigerant cylinder in the display cooler The refrigerant cylinder in the display cooler is used to store the refrigerant in the display cooler, which is the physical appearance of the refrigerant cylinder. It can be seen from the display cooler that there is a valve on the refrigerant cylinder to control the release and closing of the refrigerant. The valve must be tightened when not in ...

display refrigeratorTIME：2016-08-22
Supermarket refrigerated showcase internally balanced thermal expansion valve

supermarket refrigerated showcase internally balanced thermal expansion valve internally balanced thermal expansion valve consists of valve body, valve seat, valve needle, regulating rod seat, regulating rod, spring, filter, transmission rod , Temperature sensing bag, capillary tube, air box cover and sensing film. The supermarket refrigerated showcase is filled with a temperature sensing work...

display freezerTIME：2016-08-22
walk-in cooler externally balanced thermal expansion valve

walk-in cooler externally balanced thermal expansion valve installation position: same as internally balanced. The difference is that the external balance type has an extra balance pipe, which is connected to the outlet of the evaporator from the valve body, and is close to the position of the walk-in cooler temperature sensor. Principle of action: When working, the upper part of the elastic...

display freezerTIME：2016-08-22
How to use the display cooler pipe cutter

How to use the display cooler pipe cutter When welding the display cooler pipe, the welded pipe must first be cut to ensure that the size of the copper pipe meets the welding requirements. The cutting of the display cooler pipe requires the use of a special pipe cutting tool, which is a special tool for cutting copper or aluminum pipes. If you use general tools to cut the pipeline of the displ...

display refrigeratorTIME：2016-08-22
How to use walk-in cooler tube expansion assembly

How to use walk-in cooler tube expansion assembly When welding walk-in cooler pipelines, we usually encounter the situation of welding two copper tubes with the same diameter. It is necessary to use the expansion assembly to expand one of the two copper tubes to be welded. The main function of the pipe expansion assembly is to expand the copper pipe. The main function of the flaring clamp in t...

display refrigeratorTIME：2016-08-22
Installation position and operating principle of commercial refrigeration externally balanced thermal expansion valve

Installation position and operating principle of commercial refrigeration externally balanced thermal expansion valve When the resistance of the evaporator is large, the evaporator inlet pressure is much greater than the evaporator outlet pressure. The internally balanced thermal expansion valve requires greater valve opening pressure than the externally balanced thermal expansion valve, which...

commercial refrigerationTIME：2016-08-22
Display cases Thermal expansion valve installation precautions

display cases Thermal expansion valve installation precautions are as follows: 1, first check whether the expansion valve is in good condition, and pay special attention to whether the display cases thermal power mechanism leaks. 2, the expansion valve should be installed upright and not upside down. 3. The temperature sensing bulb is installed on the air outlet pipe of the evaporator, wra...

commercial refrigerationTIME：2016-08-22

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