What are the production steps for welded rectangular ducts?

2025-03-26

Cutting and cutting: According to the design drawings, use a shearing machine or cutting machin...

What are the advantages of galvanized spiral ducts?

2025-03-26

Galvanized spiral ducts have multiple advantages, which are summarized in detail below: Excelle...

What are the precautions during the installation process of fire-resistant composite ducts?

2025-03-26

The installation precautions for fire-resistant composite ducts are as follows: Construction pr...

What environments are magnesium oxide composite ducts suitable for

2025-03-25

Magnesium oxide composite ducts are suitable for various environments, and their excellent perfor...

What are the differences between electric dampers and manual dampers?

2025-03-25

There are significant differences between electric dampers and manual dampers in multiple aspects...

What are the types of sealed dampers?

2025-03-25

There are various types of sealed damperss, each with its unique characteristics and application ...

Structural composition of pneumatic control valve

2025-03-25

The structural composition of a pneumatic control valve mainly includes two parts: the pneumatic ...

What are the main parameters of fire dampers?

2025-03-25

The main parameters of fire dampers include the following aspects: Rated diameter: This is the ...

Key points for selecting check valves

2025-03-25

When choosing a check valve, the following factors need to be considered: Medium characteristic...

Working principle of plug valve

2025-03-25

The working principle of the plug valve is mainly based on its unique structural design, which co...