Pilz Relay 751135

08/15/2020

How much does temperature affect the semi-hermetic refrigeration compressor

Due to the high temperature in summer, some products that are more sensitive to temperature are easily affected by temperature. The use of semi-hermetic refrigeration compressors has a temperature limit.

08/24/2020

Will traditional air conditioners be replaced The air conditioner that does not use electricity at all is invented abroad, the minimum cooling is -25℃

Air conditioning has become an indispensable configuration for everyone. Although the air conditioning refrigeration system can achieve the cooling effect, the outdoor heat is still very uncomfortable

09/06/2020

Application of Piston Rod Settlement Monitoring System in Reciprocating Compressor

1. Introduction A petrochemical plant imported a reciprocating compressor from abroad, the model is: B254-4118N3.3, 4 rows of symmetrical balanced type, the import and export parameters are: 135kPa (A)@14℃, 3.4MPa (A)@35℃, rotation speed: 425r/min, stroke: 240mm.

09/03/2020

Energy-saving storm swept the pharmaceutical industry, air compressor transformation is imperative

In the current implementation of energy conservation and environmental protection policies and concepts, the pharmaceutical industry also pays attention to low energy consumption, resource conservation and lower production costs in the operation process.

06/21/2020

Air compressor selection_air compressor parameters

Air compressor selection_air compressor parameters Air compressor selection <img src="{{media url=&quot;Air_compressor_selection_air_compressor_parameters.jpg&quot;}}" alt="" /> 　　How to choose an air compressor in a reasonable way should comprehensively consider the comprehensive technical and economic indicators such as the investment and operating costs of the air compressor unit and the air compressor station, so that it conforms to the principles of economy, safety and application. Specifically, there are the following aspects:

08/01/2022

Troubleshooting of Hydraulic Motor

Remove the cover, screw in the central screw hole with clean screws, and lift out the crankshaft

11/07/2021

The Era of Intelligent Building Management Comes with Siemens HMI + KNX

Siemens is a leading electronic and automation product manufacturer in the world. Based on its advanced human-computer communication technology and brand development concept

07/07/2020

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

05/19/2022

PLC Analog Input

PLC analog inputs usually use voltage signals in the range of 20 volts and current signals in mA. Each PLC manufacturer has I / O modules to process these types of signals

07/25/2020

Oil pressure protection? High and low voltage protection? Thermal relay protection? Come and see if the automatic control appliance fails

There are two types of failures in the automatic control of refrigeration devices: one is caused by the failure of the refrigeration system; the other is caused by automatic control, electrical component failure, and improper debugging.