Danfoss Compressor SH620A3ABV

08/18/2020

How to solve the problem of too high compression ratio of chiller

In the process of using industrial chillers, various problems will inevitably occur. Due to the structure of the industrial chiller, once the compression ratio of the compressor is too high, it will affect the working efficiency of the industrial chiller.

06/29/2020

Compression ratio of American Copeland compressor

07/18/2020

A coup to avoid the oil return problem of the refrigeration compressor of the piston chiller

Compressor: It is a complex machine running at high speed. Ensuring adequate lubrication of moving parts such as compressor crankshafts, bearings, connecting rods, pistons, etc. is the basic requirement for maintaining the normal operation of the machine. For this reason, compressor manufacturers require the use of specified grades of lubricating oil, and require regular inspection of the lubricating oil level and color

07/17/2024

Irrigation Solenoid Valves: Common Faults, Causes and Troubleshooting

Generally, before diagnosing the problem of irrigation solenoid valves (sprinkler solenoid valves), some work needs to be done: such as determining whether the water source is turned on, whether the controller is connected to the power supply and the program setting is correct, whether the flow control handle on the solenoid valve is closed, and then try operating the valve manually.

09/21/2020

GQYF-2A type air compressor comprehensive protection device

The six-channel temperature of the compressor is over-temperature, oil-cut, water-cut, and over-air pressure. Coal safety regulations have clearly required that the pressure fan equipment must be installed:

08/12/2020

How to configure the cold storage refrigeration equipment

How to configure the cold storage refrigeration equipment? The full set of refrigeration equipment installation quotation for Yuncheng cold storage, okmarts.com Refrigeration, as a cold storage overall solution provider, has rich experience in cold storag¨ﰨ2䀀湠疨VǜV


06/14/2020

Precautions for energy saving in cold storage operation

Precautions for energy saving in cold storage operation 1)In the operation of the cold storage, on the premise of ensuring the temperature of the cold storage, the highest evaporation temperature should be used as much as possible. According to the liter器2䀀
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08/24/2020

Why does the cooler temperature drop slowly

1. The cold storage has a large loss of cold due to poor heat insulation or sealing performance. 　　 Poor thermal insulation performance is due to insufficient insulation thickness of pipes, warehouse insulation walls, etc.,

07/17/2020

refrigerating system

4.1 Pressure vessels and pipelines are often contacted by refrigeration and air-conditioning technicians;; components of various systems; for example, placing an R--22 refrigerant storage tank on the rear panel of a car with a common barrier; The hot summer sun can make the temperature of the steel pipe reach 110F; the total area of

09/06/2020

Design steps of two-wire AC current transmitter

Known high-current current transformers convert different currents into 0~5A alternating current for on-site display. For long-distance transmission, the current must be converted into a standard DC current signal of 4-20mA before transmission.