Delta Temperature Controller DTB4824RR

08/11/2025

Cooling Towers: Operation Methods, Maintenance ＆ Usage Precautions

Cooling towers are critical equipment used in industrial and commercial areas to cool fluids. In order to ensure its effective operation, increase its lifespan and maintain safety, correct operation methods, maintenance and upkeep knowledge, and usage precautions are crucial. In this article, we will delve into these aspects.

07/01/2022

How to Install a Sump Pump Check Valve: 5 Steps

What is a sump pump check valve? It is a device that keeps water from reentering the discharge pipe whenever the pump is not running.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

08/02/2020

Why do some compressors have to soft start

We know that the motor's direct starting current is 4 to 7 times the rated current, so if the power of the motor is relatively small, then the impact on the grid is not great, we allow it to start directly, generally the motor power is allowed below 7.5KM Started directly

05/21/2025

Have you figured out the "enthalpy" and "entropy" of the refrigeration system?

1. Enthalpy<br></br> It is a kind of energy, used to indicate the thermal state parameter of the state of the refrigerant, it represents the size of the total energy of the refrigerant; namely:

08/07/2020

What are the selection criteria for electronic valves in cold storage systems

The selection of all components in the cold storage refrigeration system must strictly comply with the four basic principles of safety, reliability, applicability and economy.

06/14/2020

Working principle of rolling rotor compressor

Working principle of rolling rotor compressor

08/02/2020

Basic principles of data center cooling and energy saving solutions

Each data center has its own characteristics, so there is no technical solution that can be applied to any data center. This document mainly discusses some basic principles and technical issues in data center cooling and energy saving.

09/05/2022

Stepper Motor: Working Principle, Operating Modes & Application

Stepper motor, also known as <strong>step motor</strong>, <strong>stepping motor</strong>, converts received electric pulse signal into angular displacement or linear displacement.

01/14/2021

Brief Analysis of Hitachi Central Air Conditioner and Daikin

In the current domestic central air-conditioning market, the central air-conditioning is still doing well with Japanese brands. But among the Japanese brands, we have to say that Hitachi is the brand of Hitachi. At present, most air conditioners use scrol器2䀀
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