Ebmpapst Fan 4650NU

06/18/2024

Hydraulic Symbols Explained (Hydraulic Pump, Hydraulic Motor, Hydraulic Cylinder, Hydraulic Valve, Accumulator Included)

The hydraulic system, also called a hydraulic pump station, hydraulic station, hydraulic oil station, etc., usually consists of power component, actuator, control component, auxiliary component, and working medium.

06/29/2020

What is the cause of compressor pipeline vibration

04/08/2022

What is a Centrifugal Fan?

When the fan works, the air flow enters the blade from the axial direction of the fan. Then, it will rotate with the impeller driven by the impeller.

08/19/2020

Application of large temperature difference cooling water system in industrial cooling system

In the industrial cooling system, in order to meet the process requirements, small flow materials need to be cooled with a large temperature difference (for example, a certain juice beverage needs to cool the material from 30°C to 5°C

07/23/2020

R410a and R22 refrigerant comparison application and installation specifications

1.Introduction to the properties of R410a refrigerant<br></br> 1. R410a is a HFCs refrigerant mixed with two working fluids of R32 and R125 at a mass fraction of 50% and 50%. It is a near-azeotropic mixture (pseudo-azeotrope), and its thermal performance is close to a single working fluid.

08/15/2020

Comparison of ground source heat pump and air source heat pump

1. Ground source heat pump technology 　　The ground-source heat pump central air-conditioning system is a heating and air-conditioning system composed of rock soil,

08/02/2023

Step-by-Step Guide: How to Fix Heat Pump Freezing Up in Winter

A heat pump is an essential component of your HVAC system that helps regulate indoor temperatures during the winter months. It is designed to work efficiently even in sub-zero temperatures, but sometimes, it may freeze up, causing discomfort and inconvenience.

07/31/2020

What are the specific operation methods for maintenance of screw compressors in cold storage

Before the cold storage screw compressor must be overhauled, if possible, unload the slide valve to the "0" position, shut down normally, and cut off the power supply.

08/13/2020

The reason why the chiller is not cooling and there is no alarm prompt

In the process of operation, often when there is no cooling phenomenon, there is no alarm prompt, so that the operator has no way to start and does not know what caused this problem.

08/08/2020

Maintenance method of central air conditioner without reflection

The L and N resistances are infinite, and the fuse may be burned out or the transformer (Transformer) may be burned out.