Ductwork Board

YINGDE VENTECH INTELLIGENT EQUIPMENT CO., LTD. is among those Chinese duct board cutting machine factories qualified for exports. We follow specific government regulations and has obtained permits and licences for exporting products. Our company has committed management teams as well as production capacity and financial capacity to be a competitive exporter.

VENTECH INTELLIGENT EQUIPMENT enjoys a good reputation and image among competitors. We embrace competence and experience in self-developing and manufacturing foam cutting machine. The PPPP series is widely praised by customers. VENTECH automation equipment has proper design and engineering. It is an outcome of our qualified architects, designers, and structural engineers using their aptitude. With an intuitive touch screen, it allows users to easily take control of the entire production process. It has considerable economic benefits. The working speed of this product can be easily set in line with requirements.

Thinking locally has become our business operation principle. We encourage employees to think locally with regard to customs, language, personalities of different countries. We believe thinking locally can shape our success.

Duct board cutting machine has fine attributes and contains a huge range of applications. It has received plenty of attention in the area. It has significant product attributes likely to result in broad customer adoption.

As a key focus in developing and manufacturing duct board cutting machine, YINGDE VENTECH INTELLIGENT EQUIPMENT CO., LTD. has been prestigious for many years in the domestic markets. The foam cutting machine series is widely praised by customers. VENTECH duct board cutting machine is manufactured based on sound design/engineering principles. Careful consideration must be given to the surrounding climate, maintenance procedures and control systems. This product has been widely used for punching and soft material cutting. The applications of duct machine technology in manufacturing process can duct machine. The product has the ability to generate repeated accuracy.

We put people front and center. We constantly promote the safety, education, and well-being of our employees through a multitude of programs.

YINGDE VENTECH INTELLIGENT EQUIPMENT CO., LTD. has packages designed and made on our own to safeguard the duct board cutting machine. If you have special needs, we can also do some customization on the product packages. The cost of packing materials can't be saved because they decide the safety of the delivered goods. The whole package should be complete and sturdy enough, which can prevent the packed products from breaking and the loss as well. The packaging process needs to be done relying on professional staff. Their rich experience and skills contribute to the easy handling, loading, unloading, and stacking of the products. More importantly, warning labels are stuck on the cargo.

VENTECH INTELLIGENT EQUIPMENT is highly praised in the market. We are an expert in manufacturing and supplying quality automation equipment. The Grilles and diffuser production machine series is widely praised by customers. VENTECH duct machine has a very scientific design. Humidity, temperature, carbon dioxide and light, as well as other factors such as rain, airflow or noise, are environmental concerns in design. Its advanced serve system allows it to avoid unnecessary production waste. According to market data analysis, the product has unlimited potential. This product has been praised by its prominent energy-saving effect.

Slow and Steady is the goal for our development during our process of exploring overseas markets. We will focus on the selected markets and gain a deep insight into the market condition, so as to achieve steady increments.

5 Differences between round ducts and square ducts-Part One



Advantages of circular air ducts
Advantage 1: High air tightness. As we all know, no matter whether it is conveying gas or relying on gas for material transportation, the gas conveying pipeline is the most forbidden to leak. So, how does the round duct do this? It turns out that the pipe fittings of the round air duct and other parts connected to the duct have factory-assembled airtight joints. When installing, just insert them into the round duct to achieve a high degree of airtightness. According to the international CEN pipeline airtightness standard, it can reach Class C leakage level. The airtight joint is composed of two rubber sealing rings (see picture). When the joint is connected with the pipe fittings, the sealing ring is compressed and can withstand a positive pressure of 3000Pa and a negative pressure of 5000Pa, thereby ensuring the degree of airtightness. The circular straight pipe with spiral bite will not produce leakage. After using the sealed joint, the air leakage rate of the entire air duct system will be minimized. The leakage of the ventilation pipeline is caused by the connection of a large number of pipe fittings. Compared with the rectangular pipeline, the typical length of the round pipe is 3-6 meters, while the length of the rectangular air duct is only 1-1.5 meters. The gasket of the rectangular air duct is made by hand and installed roughly, it is impossible to be installed by the factory like the round pipe fittings. The circumference of the sealing part of the circular pipe fitting is relatively short. For the same section, the circumference of a rectangle with an aspect ratio of 1:3 is 41% longer than that of a circle, so the air leakage area is greatly reduced.
Advantage 2: Low installation cost Under the same resistance conditions, a rectangular pipeline of 250×250 mm can be replaced by a circular pipeline with a diameter of ∮ 200 mm in the same installation space, and its overall installation cost is lower than that of a rectangular pipeline by 50 %. Replacing one rectangular pipe with two or several circular pipes also reduces costs.

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Installation technical measures: on-site installation process
(1) When installing the air duct, first install the supports and hangers according to the design elevation of the air duct, arrange them in order, and number them. When hoisting, safety measures should be taken to prevent damage caused by collisions. The installation of the air duct should be carried out in accordance with the position of the equipment and the position of the tee, elbow, etc., and the sequence of the equipment connection pipe and then the main pipe; the vertical air pipe is generally installed from bottom to top.
(2) According to the center line of the air duct, find out where the suspenders are to be laid. The single suspenders are on the center line of the air duct; the double suspenders can be installed symmetrically according to the distance between the bolt holes of the supporting plate or the center line of the air duct, and the distance between the hangers is ≤ 4m. When the air duct is long, a row of hangers needs to be installed. The positions of the two ends can be determined first, and then based on the determined supports at both ends, use the pull wire to find the position of the middle support for installation. Fixing supports and hangers should also be added at appropriate positions to prevent swinging. (HVAC Nanshe)
(3) Reinforcement of the air duct: a. Reinforcement measures should be taken in the following cases: a.1 The diameter of the spiral air duct is greater than or equal to 800mm, and the length of the pipe section is greater than 1250mm or the total surface area is greater than 4m2. Reinforcement measures. b. The reinforcement of the air duct shall comply with the following regulations: b.1 The reinforcement of the air duct may be in the form of corrugated ribs, vertical bars, angle steel (inner and outer reinforcement), flat steel, reinforcement ribs and pipe inner supports, etc.
To be continued.



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