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Duct flange production

1. Process requirements 1) The flange of the air duct is processed by the mold method, and the flange of the same type uses a mold to ensure the interchangeability and dimensional accuracy of the flange;

Duct flange production

Ideas and measures to improve energy station energy efficiency and system energy efficiency-Part 1

According to statistics, the energy consumption of HVAC systems in public buildings accounts for 30% to 50% of the total energy consumption. The energy consumption of the energy station accounts for about 50% of the HVAC system, and there is a large space for energy saving, which is a hot spot in the industry at present.

Ideas and measures to improve energy station energy efficiency and system energy efficiency-Part 1

Process requirements and quality control points for the manufacture and installation of cold-rolled steel plate air ducts

1. Process requirements 1) The outer diameter or outer length of the air duct shall prevail, and shall be welded; 2) The weld seam of the welded air duct should be flat, and there should be no cracks, protrusions, penetrating slag inclusions, air holes and other defects. The deformation of the plate after welding should be corrected, and the welding slag and spatter should be removed;

Process requirements and quality control points for the manufacture and installation of cold-rolled steel plate air ducts

Commonly Used HVAC Terms and Explanations Part 4

19.Economic heat transfer resistance: It is the heat transfer resistance when the sum of the building envelope and unit area construction cost (depreciation cost of initial investment) and use cost (heating operation cost and equipment depreciation cost apportioned by the unit area of the envelope structure) reaches the minimum value. thermal resistance

Commonly Used HVAC Terms and Explanations Part 4

What is Phenolic ductwork and its advantages?

Modified phenolic formaldehyde is made of non-woven fabric and phenolic formaldehyde through continuous compounding and compounding, and it is compounded and compounded.

What is Phenolic ductwork and its advantages?

Manufacture and installation process requirements and quality control points of galvanized steel air duct

Galvanized steel 1. Process requirements 1) Bite connection or riveting should be used, and welding is not allowed; 2) The joints of the air duct panels should be staggered, and there should be no cross joints.

Manufacture and installation process requirements and quality control points of galvanized steel air duct

What is PIR ductwork and its advantages?

PIR Pre-insulated Duct is a high-tech foamed PIR duct panel, which is uniformly sprayed on color steel, aluminum foil, aluminum sheet and other surface materials by PIR raw materials, and foamed at a certain temperature.

What is PIR ductwork and its advantages?

Commonly Used HVAC Terms and Explanations Part 3

Energy efficiency ratio: The energy efficiency ratio of an air conditioner is the ratio of cooling capacity (heating capacity) to operating power. That is, the mathematical expressions of EER and COP: EER=cooling capacity/cooling power consumption. COP=heating capacity/heating power consumption.

Commonly Used HVAC Terms and Explanations Part 3

What is PU ductwork and its advantages?

Polyurethane (PU) is the abbreviation of polyurethane, which is formed by addition polymerization of polyisocyanate and polyhydroxy polymer, and contains many repeating urethane segments (-NHCOO-) in the main polymer chain.

What is PU ductwork and its advantages?

Operation process of air duct installation

First, find out the air duct elevation according to the design requirements and refer to the civil engineering datum line. Second, make hangers and high hanging points.

Operation process of air duct installation

Is your ventilation system working properly?

Ventilation, the "V" in HVAC, is often ignored. We pay great attention to heating and air-conditioning systems - their operation is critical to comfort, and heating and cooling can constitute an important part of the building utility bill. This can encourage people to reduce ventilation as much as possible, because the outdoor air must reach the indoor temperature and humidity level, whether in hot or cold weather, this is an expensive suggestion.

Is your ventilation system working properly?

The characteristics, design methods and comparison of commonly used air-conditioning systems Part Five

Design and selection of main equipment 1. Selection and calculation of fan coil units 2. Selection and calculation of fresh air air conditioning box 3. Selection calculation of combined air handling unit

The characteristics, design methods and comparison of commonly used air-conditioning systems Part Five

How many types of Composite Pre-insulated Air Duct

Composite air duct is a kind of pipe that plays a role in air supply. It is different from traditional pipes. It does not produce harmful substances either during production or during production and installation.

How many types of Composite Pre-insulated Air Duct

Commonly Used HVAC Terms and Explanations Part 2

Cooling Tower: Special equipment for cooling water by means of air. Generally installed on the top of the building. It is used in refrigeration, electric power, chemical industry and many other industries.

Commonly Used HVAC Terms and Explanations Part 2

What are the precautions for fresh air system installation

What is a fresh air system? The fresh air system is an independent air treatment system composed of an air supply system and an exhaust system. It is divided into two types: ducted fresh air system and ductless fresh air system.

What are the precautions for fresh air system installation

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