This part of GB / T27698 specifies a single-tube heat transfer performance test method for air cooler finned tubes. The test fluid for this section is generally steam inside the tube and air outside the tube. This section is applicable to the heat transfer performance test of finned tubes for air coolers of various types and materials. This section only considers the thermal resistance of the finned tube material and does not consider the thermal resistance of the inside and outside of the finned tube.
Rectangular Two-part Lifting Column
The Lifting Column is a kind of equipment used to control the intelligent lifting table, which is usually composed of a column, a motor, a control system and a power supply. According to different usage scenarios and functional requirements, lifting columns can be divided into the following categories:
Double motor lifting column: fixed lifting column is usually used for lifting table accessories, smooth and noiseless lifting, can be composed of intelligent lifting table and lifting system.
Rectangular Two-Part Lifting Column,Lifting Column Support,Table Post,Smart Desk Shelf
Suzhou Herstar Medical Technology Co., Ltd. , https://www.hosunherstar.com