Founded in Denmark in 1984 and now part of the Danfoss Group, Sondex is a global company specializing in the production of high-performance plate heat exchangers that can withstand a wide range of pressures and temperatures according to the specific needs of its customers. Saunders has its own hydraulic equipment and gasket production facilities, and all molds are designed and manufactured by itself to ensure product quality.
Founded in Denmark in 1984, Sondex A/S is dedicated to providing customers with tailor-made plate heat exchanger solutions. Over the next few years, the company grew rapidly and became a global enterprise.
Main products of SONDEX include ordinary gasket type, semi-welded type, fully welded type, wide spacing free flow type, brazed type and food special type of various types of plate heat exchangers, as well as applied to the Marine industry.
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There are four steps to adding the correct method. Today we share with you:
1. Prepare a weigher, weigh the Freon cylinders, and record the net weight of Leon.
2. Put the cylinder on the scale and use a piece of copper tube x1. Connect it to the cylinder with a special thread. The other end is connected to the multi-purpose hole of the suction valve of the compressor. Then, the multi-purpose hole nut will not be tightened temporarily. First open the cylinder a little, then turn it off again, then sort the air inside the nozzle and tighten the nut.
3, Freon is filled in the form of wet vapor, so open the cylinder valve to be appropriate to prevent the liquid hammer from the compressor. At the same time, unscrew the multi-purpose port of the compressor suction valve and start filling the refrigerant. If the system is in a vacuum state, the refrigerant in the cylinder will be automatically injected into the system. When the pressure in the system is balanced with the pressure in the cylinder, the refrigeration penalties will stop entering. At this time, if the amount of refrigerant in the system has not been increased, the cylinder valve, the outlet valve of the accumulator, the manual expansion valve and the suction valve of the compressor may be closed first, the cooling water pump of the Condenser is started, and then the compressor is started. In order to prevent the liquid from striking the cylinder, the suction valve should be slowly opened, the refrigerant in the system should be drawn into the reservoir, the low pressure part of the system should be evacuated, and then the cylinder valve should be opened so that the refrigerant can be automatically poured into the system again.
4. This is repeated until the required amount of refrigerant is added to the system. Alternatively, after the system is again sleeved into a vacuum, open the reservoir outlet valve and the small opening expansion valve to allow the system to operate normally. Then open the cylinder valve and gradually close the suction valve (ie, open the multi-purpose tunnel) to allow the cooling in the cylinder. The agent flows into the system by the difference between the pressure in the bottle and the suction pressure (should be careful not to produce a liquid hammer). When filling to meet the requirements, close the cylinder valve, and then allow the residual refrigerant in the nozzle to be sucked into the system as much as possible, then close the multi-purpose hole, stop the compressor, and complete the work of charging the refrigerant.
Rapid Temperature Change Tester Adding Refrigerator Should Follow Correct Steps
The rapid temperature change tester to add refrigerant should follow the correct steps to operate Freon, also known as Freon, whose name is derived from English Freon, a refrigerant trademark registered by DuPont. Rapid temperature change test chamber cascade refrigeration unit mostly uses R22/R404 as refrigerant. The medium-temperature refrigerant (R404A) is used in the high temperature section and the low-temperature refrigerant (R23) is used in the low temperature section.