HITACHI VFD Frequency Converter SJ700B-300HF

06/28/2020

One article to understand what is a piston compressor

One article to understand what is a piston compressor Piston compressor is a compressor that relies on live cold reciprocating motion to pressurize gas and deliver gas. It belongs to positive displacement compressor, also known as "reciprocating piston compressor" or "reciprocating compressor".

08/19/2020

How to judge whether the refrigeration equipment is working normally

The relevant valves and equipment in the refrigeration equipment system are in their proper state. The compressor suction and discharge valves, the inlet and outlet valves of the oil separator

08/25/2020

How to calculate the power consumption of central air conditioning

In summer, every household will turn on the air conditioner, so how is the power consumption of the central air conditioner calculated? This is also related to the air conditioner's horsepower, cooling capacity, compressor power, and temperature difference between indoor and outdoor.

09/09/2020

Installation method to ensure that the air compressor does not leak oil

1. Install the gasket correctly: The gasket between the parts of the air compressor functions as a leak-proof seal. If the material, production quality and installation do not meet the technical specifications, it may cause oil leakage.

08/24/2020

The highlight of the air-conditioning industry this year-playing the health card

In fact, the concept of "healthy air conditioner" was not first proposed this year. As early as a few years ago, some brands had already launched related products, but at the time it was aimed at high-end consumers, and the market's awareness of it was relatively limited.

09/10/2020

Application of FPGA in the position control of DC motor

In a DC motor control system, the controlled quantity is generally the speed of the motor, and the purpose of control is to keep the speed of the motor at the required fixed value. But in the actual production process

08/11/2020

Some ways of energy saving for semi-hermetic refrigeration compressors

The semi-hermetic refrigeration compressor is a very common mechanical equipment in the society. It is very common in our lives. The reasonable use of semi-hermetic refrigeration compressors can greatly increase production efficiency and production benefits for businesses.

06/29/2020

What is the cause of compressor pipeline vibration

08/09/2020

Which European certifications does the American rosemount3051 transmitter have

The rosemount transmitter is an American brand. There are 3 factories in the world, one in the United States, one in Singapore, and one in China.

09/15/2020

78 Submersible liquid level transmitter, groundwater sensor

78 Submersible liquid level transmitter, groundwater sensor Guangdong pressure sensor, Foshan pressure transmitter, Shunde pressure sensor PTH601 uses diffused silicon piezoresistive core or ceramic piezoresistive core, 316 stainless steel structure, mainly suitable for rivers, groundwater levels, reservoirs, water towers and containers, etc. liquid level measurement and control.