Danfoss Compressor SM084A3AR

09/03/2020

Commonly used selection marks for compressor lubricants

1) Air-cooled piston shaft output power <20kW, select 32, 46, 100 (ambient temperature <-10 ℃ optional 32) DAA, DAB, DAC air compressor oil;

08/12/2025

AC Servo Motor Construction and Working

Most servo motors used in servos are AC motors. Figure 1 shows a circuit diagram of an AC servo motor.

08/17/2020

Five important points for attention when selecting piston chillers

The main control parameters of piston chillers are energy efficiency ratio, rated cooling capacity, input power, refrigerant type, power supply voltage, etc. Below, the editor of okmarts.com introduces the selection points of piston chillers in detail.

05/26/2023

How to Fix an AC Compressor?

The compressor is the most important part of the refrigeration cycle of the air conditioner.

09/07/2020

Inverter 35 Q

1. What is an inverter? 　　Inverter is an electric energy control device that uses the on-off action of power semiconductor devices to transform industrial frequency power into another frequency.

10/31/2025

Computer Cooling Fans Common Faults, Causes and Solutions

Any electrical equipment will have a heat source during use, ranging from new energy equipment, charging piles, energy storage equipment, wind energy equipment.

06/14/2020

The domestic compressor industry should maintain a stable production volume

In recent years, the voice of energy conservation and emission reduction has been increasing day by day, which has forced domestic compressor companies to accelerate the pace of technological upgrades, which shows the pressure of industry development. Basﰸ2䀀
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01/01/2025

How Does a Refrigeration Compressor Work? With Animation for Each Type

Refrigeration compressor is a kind of driven fluid machinery, which promotes low-pressure gas to high-pressure gas and is the heart of refrigeration system.

09/02/2020

Basic theoretical knowledge points of air compressor air

1. What is the definition of the standard state of air? Answer: The definition of the standard state is: when the air suction pressure is 0.1MPa and the temperature is 15.6℃ (the domestic industry defines it as 0℃), the air state is called the standard state of air.

07/07/2020

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