Contrinex Sensor DW-AD-504-P5

08/16/2020

What is the emergency treatment method for R22 refrigerant leakage

R22 refrigerant has low toxicity, but some of the cracked gas and residual liquid components produced by using it to prepare tetrafluoroethylene are highly toxic, which can cause acute poisoning.

07/11/2025

Speed-Torque Curve of Stepper Motors and FAQs

This is the torque the motor will produce when the motor is stationary and rated current is applied to the windings.

08/13/2020

How to install large-scale cold storage refrigeration equipment

The cold storage is mainly used as a constant temperature storage air-conditioning equipment for food, dairy products, meat, aquatic products, etc. The cold storage is a kind of low-temperature cold storage and also a kind of refrigeration equipment.

07/07/2020

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

09/04/2020

The difference between ordinary asynchronous motor and variable frequency motor

1. Ordinary asynchronous motors are designed according to constant frequency and constant voltage, which cannot fully meet the requirements of variable frequency speed regulation

07/02/2020

okmarts.com platform compressor technology experts tell you why the air conditioner can be cooled

okmarts.com platform compressor technology experts tell you why the air conditioner can be cooled In the summer, I believe that many people's feelings must be hot, scorching heat, sweating, etc. At this time, air conditioning is naturally essential equipment. If the air conditioner in your home is not cooling, then the air conditioner becomes a decoration.

06/28/2020

Precautions for installation and use of compressor-type car refrigerator

Precautions for installation and use of compressor-type car refrigerator A car refrigerator is a refrigerator that can be carried on a car. Car refrigerator is a new generation of cold storage appliances popular in the international market. Compressor car refrigerators are similar to household refrigerators. They are all cooled by compressor power. The refrigeration is fast and powerful. The refrigeration can reach -18 ℃. It can make ice and keep fresh

07/22/2020

The working principle of cooling and heating of air conditioning

In addition to the cooling function, the heating and cooling air conditioner also has the heating function. The biggest difference from a single-cooling air conditioner is that an electromagnetic four-way reversing valve is installed in the heating and cooling air conditioner.

12/13/2021

How to Add Encoder to Stepper Motor

When the current flows through the stator winding, the stator winding produces a vector magnetic field. The magnetic field will drive the rotor to rotate an angle, so that the direction of magnetic fields of the rotor is consistent with that of the stator.

09/09/2020

Detailed introduction of air compressor equipment and units in petrochemical industry

In petrochemical enterprises, for the three units of oil refineries (smoke, main fan, air pressure and hydrogen compressor), the five units of fertilizer plants (air compressor, synthesis gas, ammonia compressor, CO2, raw gas or nitrogen pressure) The three units (pyrolysis gas, ethylene, propylene) of the ethylene plant are customarily called large units or key units.