Danfoss Compressor SM147A4RV

09/09/2020

Harmfulness of air compressor motor direct full pressure start and the benefits of motor soft start cabinet

With the development of my country's economy, the application of motors is increasing, and people's attention is paid to the starting method of motors. Generally speaking, the motor soft start cabinet should be used when the motor power exceeds 30KW, otherwise it will seriously affect the operation of other equipment in the power grid and damage the motor itself.

06/14/2020

Refrigerating oil use characteristics and performance requirements

Refrigerating machine oil is mainly used to lubricate the parts that need to be lubricated in the freezing machine, and is closely related to the running performance and service life of the compressor, so its selection and application are very important.

06/14/2020

Rotor compressor

The rotor compressor is driven by the engine or the motor (mostly driven by the motor), and the other rotor (also known as the female rotor or the concave rotor) is driven by the oil film formed by the main rotor through oil injection, or by the main roto器2䀀
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06/28/2022

Introduction to Priming in Pumps

Priming a piston pump is probably the first and one of the most important thing one should do before operating it. Not priming a pump or not doing it properly makes majority of pump problems.

03/01/2021

Characteristics of permanent magnet synchronous servo motor

(1) High power factor and high efficiency; (2) Simple structure and reliable operation; (3) Small size, light weight and small loss. Compared with other kinds of motors

06/30/2020

What are the factors that cause motor damage？

What are the factors that cause motor damage？ What are the factors that cause damage to the compressor motor: 　　 1. Abnormal load and stall

08/25/2020

How to correctly take out ammonia refrigerant when repairing refrigeration parts

First, prepare all tools and emergency supplies before operation. Such as ammonia tanks or a certain number of ammonia bottles, scales, connecting pipes, fitter tools, gas masks, rubber gloves and first aid medicines.

03/13/2025

Choose four major indicators of frequency conversion air compressor

The frequency conversion technology was not originally born in the air compressor field, but with the development of the economy, all walks of life will inevitably develop in the direction of energy saving, environmental protection and low carbon.

01/11/2021

Japan Daikin, Hitachi and Mitsubishi Electric air-conditioning compressor comparison

First, take a look at Daikin. The use of high and low pressure cavity scroll compressor and swing compressor

06/29/2020

How the compressor works