Danfoss Compressor SZ090A7RP

08/26/2020

Problems and performance requirements of screw air compressor lubricants

Problems encountered by screw air compressor lubricants Compressor network screw compressors (herein referred to as oil-injected screws) encounter problems such as wear, corrosion, bearing and rotor failure, shortened life, and air quality. Screw

08/21/2020

Ground source heat pump brand selection needs to be careful

In recent years, with the improvement of people's living standards and increased awareness of health and environmental protection, the ground source heat pump industry has become the current sunrise industry.

08/31/2020

The market is turbulent

In September, autumn is getting stronger, and many compressor people feel slightly cooler like this weather. This is mainly due to the fact that the compressor market sales in the first half of the year did not recover as quickly as expected in previous years.

08/20/2020

Strategy丨Common failures and maintenance of piston refrigeration compressors

1. The refrigeration compressor cannot start normally 　　Overhaul ideas 　　 1. Firstly, check whether it is caused by low power supply voltage or poor motor circuit connection.

06/29/2020

What is the cause of compressor pipeline vibration

03/21/2024

DC Servo Motor: Working Principle, Pros ＆Cons, Speed Adjustment Methods and Application

DC servo motor is a high-precision, high-speed, high-reliability motor that is widely used in various industrial fields. It controls the motor speed and position through a closed-loop control system, which can achieve extremely high motion control accuracy.

09/01/2020

Integrity and Self-discipline Voluntary Certification

Recently, two major events affecting the entire compressor industry have occurred one after another in the industry: First, the annual ComVac ASIA (ComVac ASIA) was successfully held in Shanghai.

08/24/2020

What are the specific operation methods for cold storage screw compressor maintenance

1. Disassembly method of screw compressor in cold storage 　　 Before the screw compressor of the cold storage must be overhauled, if possible, unload the slide valve to the "0" position, stop normally, and cut off the power supply.

07/27/2020

The car air conditioner is running and there is no wind, and the pipe is still frosting. It may be a problem here

Yesterday, some netizens asked such a question: The air volume of the air outlet began to drop after 40 to 50 minutes of driving the car with the air conditioner, and the cooling effect also decreased. And a pipe from the air-conditioning compressor to the dashboard is also frosted. From the picture, this is the frosting of the low pressure pipe of the air conditioner.<br></br>

09/10/2020

Air compressor lubricant performance requirements

1. High quality base oil 　　 The base oil of compressor oil can be divided into two categories: mineral oil type and synthetic oil type. The production of mineral oil-type compressor oil is generally obtained by solvent refining, solvent dewaxing, hydrogenation or clay supplement refining to obtain the base oil, and then add a variety of additives to blend.