Johnson Ball Valve VG1805FR
Type: Ball Valve
Brand: Johnson
Type: Ball Valve
Brand: Johnson
Type: Ball Valve
Brand: Johnson
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08/11/2020
The load calculation formula of computer room air conditioner<br></br> How to obtain heat and cooling load in the computer room and how to calculate the cooling capacity required in the constant temperature and humidity room.
09/19/2022
Molded case circuit breakers can automatically cut off the current after the current exceeds the trip setting.
06/23/2020
Most of them use fluorine-free refrigerants, and the models include R600A, R410A, R407A, R134A, etc., which are all green and environmentally friendly. The specific models are marked on the nameplate on the rear side of the refrigerator. the way.
09/05/2020
1) The screw oil level is too high. If the oil level is too high, the fluctuation of the liquid level in the oil and gas barrels during the operation of the unit will cause a large amount of gas to enter the oi
08/18/2020
Generally, after using the air-cooled chiller for a long period of time, some problems cannot be avoided. If there is a failure, we should carefully check the operating conditions of the various parts of the machine.
09/01/2020
Nowadays, most high-speed reciprocating compressors are assembled and complete sets in factories. They are pre-assembled to facilitate transportation and quickly establish contact with customers, greatly reducing installation time and costs...
07/20/2020
In the industry, many people think that the semi-closed piston is like a stable big brother.
06/14/2020
A compressor is a driven fluid machine that raises low-pressure gas to high-pressure gas, and is the heart of a refrigeration system. Then, after-sales maintenance sometimes doubts that the compressor is malfunctioning, how to check and judge at this time 器2 䀀 ᅵ皥 䖒皦즠Ʋ煔क़ 㲈Ʋ 䌁皦 ᮔDž༬皧煞क़Ѐ 呄ᠾ鹨់༹皧 ࠄ 00령ꐱ댁珵뛐珵Љ 䕄ྦ 뤂ᐱ뚜珵 ᴴᏩ呄ᠾ퍘ᒥ 鹨់ᩄ ꋔྦ 瑉浥 巠皱㙲皦抐皱 巠皱 ੨皦柘皱 ᅵ皥
07/17/2023
If you work in the refrigeration or air conditioning industry, you know how important it is to keep your compressors properly lubricated.
07/16/2020
The compressor is overheated, causing it to stop shortly after start-up (protector action). Please check whether it is:; Insufficient or excessive refrigerant, please fill the leak and evacuate, add enough refrigerant or release excess refrigerant. The capillary assembly (including the filter) is clogged and the suction temperature rises. Please replace the capillary assembly.