Danfoss Compressor SM112A9CAS

06/14/2020

Fresh air system allows you to breathe fresh air at home for 24 hours

Fresh air system allows you to breathe fresh air at home for 24 hours In recent years, poor outdoor air quality has caused sensitive people to induce respiratory diseases;

09/01/2021

What is VFD?

A VFD (Variable-frequency Drive, frequency converter) is a power control device that uses frequency conversion technology

08/16/2020

Factors influencing the evaporation capacity of air-cooled chiller evaporator

Whether it is an air-cooled chiller, an air-cooled screw chiller, or an air-cooled low-temperature chiller, an evaporator is needed. Today we are discussing: What is an evaporator? What are the factors that affect the evaporation capacity of an air-cooled chiller evaporator?

06/22/2020

Causes and judgement of centrifugal compressor surge

Causes and judgement of centrifugal compressor surge Causes of centrifugal compressor surge ①Flow<img src="{{media url=&quot;Causes_and_judgement_of_centrifugal_compressor_surge.jpg&quot;}}" alt="" /> Each centrifugal compressor corresponds to a curve between outlet pressure P and flow rate Q at different speeds n, as shown in Figure 2.

05/13/2022

6 Considerations When Selecting PLC?

The operating functions of PLC include logic operation, timing and counting functions. The simple operating functions include data shift, comparison, etc

07/17/2020

How to clean the central air conditioning system

Many companies need the central air conditioner of the all-in-one machine to cool the equipment. If the equipment takes a long time or if one of the accessories in the system is broken, we need to replace it. If the equipment is used for a long time, many impurities will remain in the system.

05/27/2024

EGR Valve Failure Symptoms: How to Diagnose and Address

The Exhaust Gas Recirculation (EGR) valve is a critical component in modern vehicle engines, playing a pivotal role in emissions control and engine performance. However, like any mechanical part, the EGR valve is susceptible to wear and failure over time.

08/04/2020

Anatomy of the pressure adjustment mode of the condenser of the small chiller

During the operation of a small chiller, changes in temperature will cause changes in condensing pressure.

06/21/2024

3 Common Types of Hydraulic Valves

Hydraulic valves (hydraulic control valves) are hydraulic components used to control and regulate the pressure, flow and direction of fluid flow in hydraulic systems.

06/29/2020

How the compressor works