Schneider Contactor LP2K0901MD

08/19/2020

What is the relationship between cold storage safety and cold storage board selection

The choice of insulation materials in the refrigeration system is also very important to the safety of the entire refrigeration system. In fact, the main difference between polystyrene board and polyurethane board is the heat preservation effect, price, technology and material.

06/14/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the amount of expansion water after the system is heated. It serves as an exhaust gas in the natural circulation for the lower return system. In addition, it can also function as a constanﰸ2䀀
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09/09/2020

The effect of using different air compressors in the same industry

People who are often in contact with air compressors should know the basic difference between a piston machine and a screw machine. They have obvious differences in structure, moving parts, operating parts, life span and performance.

06/14/2020

Rotor refrigeration compressor characteristics

Rotor refrigeration compressor characteristics The rotor compressor is composed of three parts: the motor, the mechanical part, and the housing part. It is mostly used in refrigerators, household air conditioners, and small refrigeration equipment. Gener器2䀀
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08/30/2020

Which position in the machinery industry has a career

The modern development of Payipa machinery technology<br></br> Due to historical reasons, our country has missed the previous industrial revolutions. Mechanical technology has been paid attention to mainly after the founding of the People’s Republic of China.

09/21/2020

GQYF-2A type air compressor comprehensive protection device

The six-channel temperature of the compressor is over-temperature, oil-cut, water-cut, and over-air pressure. Coal safety regulations have clearly required that the pressure fan equipment must be installed:

08/03/2020

HVAC essential! Three steps to accurately calculate the cooling capacity of central air conditioning

The cooling capacity calculation of central air-conditioning is divided into three steps: 1. Calculate the actual cooling capacity required: Calculate according to the practical area of ​​the room (carpet area, the floor area of ​​the home can be deducted from the floor area); 150 watts per square meter;

11/14/2024

How much do you know about piston compressors

The piston compressor is driven by a motor. The motor drives the crankshaft to make a circular motion through a coupling or gear and belt. The crankshaft drives the connecting rod (changes the direction of the force) for reciprocating swing motion

06/29/2020

How the compressor works

07/28/2020

Refrigeration common fault terms and operation precautions

Frozen blocking: also known as "ice blocking". The phenomenon in which liquid freezing substances [such as ice] hinder the flow of refrigerant in the Freon refrigeration system. Often occurs in throttling mechanisms.