danfoss Piston Pump 180B3008

09/04/2020

Oil filter of air compressor oil circuit component function description

The oil filter is a paper filter whose function is to remove impurities in the oil, such as metal particles, oil deterioration, etc., with a filtration accuracy of 5-10μ, and it has a perfect protective effect on the bearing and rotor.

06/14/2020

The Secret of Counterfeit Refrigeration Compressor watermark

The Secret of Counterfeit Refrigeration Compressor Mass consumer goods, especially branded products, once counterfeit, copycats, etc., there will be a large number of media and professional counterfeit ears to remind consumers. However

08/10/2020

How to adjust the hydraulic balance of air conditioning system

In air conditioning water systems, hydraulic imbalance is the most common problem. Due to the hydraulic imbalance, the system flow distribution is unreasonable and the heat is unreasonable, which causes a waste of energy, or to solve this problem,

08/14/2020

Ask, watch, listen, touch, test, etc. to know the refrigerator failure

Refrigerator failure inspection methods can generally be divided into asking, watching, listening, touching and testing. Through inspection, comprehensive analysis and judgment, gradually narrow the scope of the fault and find the point of failure.

08/03/2020

How to improve the energy efficiency of chilled water air conditioning systems in data centers

Frozen water-type air conditioning systems have long been a mature application in data centers, but many users are still conservative in their applications.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

07/05/2020

Hitachi heat pump heat source compressor

Hitachi heat pump heat source compressor What is the reason for using a special compressor for heat pump water heaters? Many compressor manufacturers have invested in the development of special compressors for heat pumps in order to provide the core guarantee for the healthy development of heat pump water heaters.

07/28/2022

Troubleshooting of Vane Pump

When we use vane pumps, we often encounter some vane pump failures, but we don't know how to solve them? Let me tell you something about how to solve the vane pump failures.

08/20/2020

Understand the knowledge of quick-freezing cold storage to solve all the incurable diseases of quick-freezing cold storage

Quick-freezing cold storage refers to a method in which food quickly passes through its largest ice crystal formation area and freezes quickly when the average temperature reaches -18°C. The temperature of quick-freezer is usually -15℃～-35℃.

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.