SAND Transmitter PT111-M28-260Bar-150

09/11/2020

Bearing and shaft fit tolerance standard

Bearing and shaft fit tolerance standard ①When the bearing inner diameter tolerance zone and the shaft tolerance zone form a fit, the tolerance code originally belonging to the transition fit in the general basic hole system will become an over-win fit, such as k5, k6, m5, m6, n6, etc., but the over-win amount is not Large; when the bearing inner diameter tolerance is matched with h5, h6, g5, g6, etc., it is not a clearance but an over-win fit.

08/03/2020

How to solve the continuous cooling of high-density computer rooms?

Faced with the development trend of high-density computer rooms, the configuration of continuous refrigeration facilities to maintain equipment operation during power outages and chiller restarts and protect equipment safety is an important issue that must be considered by the construction party and design unit. At present, all parties are actively exploring And implementation.

03/06/2025

Dryer Heat Pump vs Condenser: Which One Should You Choose?

When it comes to choosing a clothes dryer, there are a lot of options to consider. One of the most important decisions you'll make is whether to go with a dryer with a heat pump or a condenser. Both options have their pros and cons, so it's essential to understand the key differences between the two.

08/11/2020

Solution to water blowing in air conditioner

The air conditioner indoor unit blows water, the fault is not big, but there are many reasons, and it is troublesome to solve it. Please refer to the description of the following various situations:

07/13/2020

HVAC Innovative products and series of Danfoss commercial compressors

Hello everyone, today I will introduce you to Danfoss' high-temperature compressors.The refrigeration capacity of this series of scroll compressors ranges from 2 to 10 tons, and can be used in parallel. The compressor is divided into three platforms-household, small business and light business. Other features include: two frequencies, 450 kinds of codes.

09/05/2020

Development of all low-voltage small air separation equipment

In the 1990s, with the deepening of reforms and technological progress, large-scale air separation and liquefaction equipment provided the ability and means to transport liquid products. Tank trucks for liquid oxygen, liquid nitrogen and liquid argon were sold all over the country.

07/07/2020

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

08/07/2020

What are the central air conditioning performance that users care about

For any brand of central air-conditioning equipment, as a user, there are actually three points:

09/14/2020

Application of oil-free lubrication technology in the cylinder of the high-pressure section of the piston-type nitrogen-hydrogen compressor

1. Raising the problem 　　 Compressor oil-free lubrication technology, as a new energy-saving technology, has been developed and applied to various compressors in various industries for more than 60 years.

08/05/2020

How to add R410A refrigerant

The pressure of R410A is about 1.6 times higher than that of R22 refrigerant. Therefore, in the process of construction and after-sales service, if there is an incorrect operation, a major accident may occur.