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Manufacturer of Water Desalination Machines - Air valve – Hong Sheng

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Manual air valve and air volume control valve are the central air conditioning end fittings in the ventilation, air conditioning and air purification engineering of industrial buildings. They are generally used in air conditioning and ventilation system pipes to adjust the air volume of the branch pipes. Mixed adjustment of fresh air and return air. First, the characteristics of the manual damper (1) The size of the multi-leaf air volume control valve is the same as that of the national venti...


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Manufacturer of Water Desalination Machines - Air valve – Hong Sheng Detail:

Manual air valve and air volume control valve are the central air conditioning end fittings in the ventilation, air conditioning and air purification engineering of industrial buildings. They are generally used in air conditioning and ventilation system pipes to adjust the air volume of the branch pipes. Mixed adjustment of fresh air and return air.
First, the characteristics of the manual damper
(1) The size of the multi-leaf air volume control valve is the same as that of the national ventilation pipe standardization.
(2) Manual damper blades are split and sleek, and act as regulating valves in ventilation, air conditioning, and air purification systems.
(3) According to the test, the air volume control valve has good airtightness, and the relative air leakage is about 5, and the adjustment performance is good.
Second, the manual damper structural features
(1) The manual damper is uniformly unified into four specifications in the blade width, and the blade shape is a diamond-shaped double blade, and the blade is softly overlapped, so the sealing performance is good.
(2) The manual damper valve body frame is cold-rolled with 2 mm galvanized sheet, and then welded with carbon dioxide gas or welded by ordinary Q235 plate; the blade is cold rolled into a corrugated shape with 1 mm galvanized sheet, two pieces Synthetic spot welding insert square shaft, or 2 mm G235 steel plate cold forming, single punch punching square shaft or welding round shaft.
Third, the air volume control valve scope of application
It is widely used in industrial and mining, civil construction HVAC systems, and regulates air flow. It is one of the key equipments to control the ventilation mode in various environments. Its main features are flexible operation, low noise, and small leakage. (Closed leakage < 0.5) Wide operating temperature range, reliable structure and convenient.
Fourth, the structural principle
Electric air volume control
Suitable for air supply or exhaust
Air volume range is about 5:1
Pressure difference range of 20 to 1000 Pa
The air volume control has high precision, and it is necessary to ensure that the air duct is arranged to meet good airflow characteristics.
Airflow or programming is set at the factory, and each device is tested for airflow performance on the calibration station. Relevant parameters are identified on the test label attached to each device.
Remeasure or set the air volume value on site if needed
Horizontal or vertical installation
The damper can be completely closed
The airtightness of the VAF valve is good when it is closed, and the air leakage does not exceed 5c/o.
The regulator is a mechanical part and requires no maintenance


Product detail pictures:

Manufacturer of Water Desalination Machines - Air valve – Hong Sheng detail pictures

Manufacturer of Water Desalination Machines - Air valve – Hong Sheng detail pictures

Manufacturer of Water Desalination Machines - Air valve – Hong Sheng detail pictures

Manufacturer of Water Desalination Machines - Air valve – Hong Sheng detail pictures

Manufacturer of Water Desalination Machines - Air valve – Hong Sheng detail pictures


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It adheres on the tenet "Honest, industrious, enterprising, innovative" to acquire new solutions regularly. It regards shoppers, success as its very own success. Let us establish prosperous future hand in hand for Manufacturer of Water Desalination Machines - Air valve – Hong Sheng, The product will supply to all over the world, such as: Mauritania, Cancun, Qatar, Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we will continue to develop, to provide the high-quality products and services, and promote lasting cooperation with our customers, common development and create a better future.
  • Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
    5 Stars By Frank from Niger - 2017.04.08 14:55
    The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By Gemma from moldova - 2018.11.11 19:52
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