Danfoss Compressor SZ240A6PU

07/20/2020

Screw refrigeration compressors are prone to these types of failures, have you encountered them?

The compressor is a volumetric compressor.Since its use in 1934, it has a dominant position in small to large and medium-sized refrigeration systems because of its excellent performance, not suitable for wear, and large unit cooling capacity.

08/05/2020

Simple estimation and measurement of indoor and outdoor wind pressure difference in fresh air system

At present, most of the fresh air systems we use follow the design philosophy of large air volume and slight positive pressure, but many people are also confused about this. How to detect the pressure in the room on site?

08/14/2020

How to deal with the cold storage without defrosting

What should I do if the cold storage does not defrost? How to deal with this problem? The following will explain why the cold storage does not defrost and the solution.

07/27/2020

Selection and comparison of compressors

1. Piston compressor (the work of the piston compressor is the continuous change of the working volume formed by the cylinder, the valve and the reciprocating piston in the cylinder).　

09/05/2020

How to save energy for permanent magnet variable frequency air compressor

In today's air compressor market, the majority of manufacturers and users pursue energy saving. For screw air compressors, the energy-saving type can be divided into two types: ordinary frequency conversion series and permanent magnet frequency conversion series.

07/07/2020

Behind the tearing of enterprises the central air conditioning market is facing a crisis

Behind the tearing of enterprises the central air conditioning market is facing a crisisIn fact, in the slump of the home appliance market in the past few years, the central air-conditioning market has been "another vigorous scene."

03/02/2021

Advantages and disadvantages, function and service life of brushless motor

Advantage: (1) No brush, low interference When the brush is removed from the brushless motor, the most direct change is that there is no electric spark generated when the brushless motor is running, which greatly reduces the interference of electric spark to the remote control radio equipment.

08/24/2020

What to do if the compressor of screw chiller is damaged

The compressor is the core component of the chiller. Damage to the compressor is a very serious fault and needs to be dealt with in time, otherwise the chiller will not work.

09/06/2020

How to choose the first flange sealing surface form of the pressure vessel using flange connection

The flange welded by the connecting pipe on the pressure vessel cylinder to the flange is the first flange connected to the pressure vessel flange, and the flange that is matched with it is not counted as the first flange, and other flanges.

06/29/2020

Several causes of compressor burning