Technical support - Shanghai Purdue Compressor Co., Ltd

2017-03

Pudu Planning Editor

Selection steps of motor

The basic contents required for motor selection include the type of load driven, rated power, rated voltage, rated speed and other conditions. Load type · DC motor · asynchronous motor · synchronous motor The continuous operation production machinery with stable load and no special requirements for starting and braking should give priority to ordinary squirrel cage asynchronous

2017-03

Pudu Planning Editor

How to Select Air Compressor in Food Industry

Compared with other production industries, food safety is more important in the food industry. When selecting air compressors, oil-free air compressors are often selected, which are also screw type, to ensure product quality. So many people here will ask, isn't it possible to ensure product quality by choosing an air compressor that is not oil-free? Because the food industry

2017-03

Pudu Planning Editor

Causes and solutions of air volume lower than normal value of screw air compressor

This time, we will check and solve the problem that the air volume of screw air compressor is lower than the normal value. Let's look at the cause of the fault first. Cause The inlet filter is blocked. The inlet valve acts poorly. The pressure maintaining valve acts poorly. The oil-gas separator is blocked

2017-03

Pudu Planning Editor

Analysis and comparison of compressor performance

1、 Analysis of compressor performance 1. Performance analysis of screw air compressor Since 1970s,

2017-03

Pudu Planning Editor

Why does the air compressor have liquid compression?

The so-called "liquid compression" means that when the working medium in the air compressor accessories reaches the critical temperature under the pressure at that time, some of them will become liquid. These liquid droplets will enter the air compressor with the working medium, and will hit the blades, causing damage to the blades. The reason for liquid compression is that the refrigerant liquid entering the evaporator is too much or the evaporation pressure is too low

twenty-seven

2017-02

Pudu Planning Editor

Causes of "three filters" clogging of screw air compressor

As we all know, screw air compressors, like automobiles, need regular maintenance, mainly to replace "three filters and one oil". The "three filter elements" of the air compressor continue to be used after the expiration, and the most common problem is that they are not replaced in time and are blocked. What is the cause of the blockage? What problems will the blockage cause? Snail

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