Polypropylene Electric Damper is a mechanical device designed to regulate or control the flow of air in HVAC (Heating, Ventilation and Air Conditioning) systems. These dampers are primarily used to regulate air volume, pressure and temperature in ductwork. Polypropylene electric dampers are known for their durability, high performance and low maintenance requirements. In this article, we will discuss in detail how polypropylene electric dampers work.
Polypropylene electric damper consists of frame, vanes and actuator. The valve body is made of polypropylene injection molding or PP board welding. Due to the strong corrosion resistance of polypropylene, polypropylene anti-corrosion dampers are usually used in highly polluted and highly corrosive chemical environments.
The working principle of polypropylene electric damper:
When the actuator opens, it rotates the vanes to the desired position, allowing air to flow through the ductwork. The position of the vanes determines the amount of air that is allowed through the damper. For example, if the blades are fully open, the maximum amount of air will pass through the damper, and if the blades are fully closed, no air will pass through the damper.
Polypropylene electric dampers can be controlled in a number of ways, including thermostats, timers, and sensors. The thermostat is used to regulate the temperature in the room, and when the desired temperature is reached, the thermostat signals the damper to close. A timer can be used to open and close the damper at specific times of the day, which is useful for energy saving purposes. Sensors can be used to detect if a room is occupied, and when the room is unoccupied, the damper can be closed to save energy.
Polypropylene electric dampers are also designed to be maintenance-free, meaning they require no regular lubrication or adjustments. They are also designed to be self-cleaning, which helps reduce the risk of contamination in the air ducts.
In addition to durability and low maintenance requirements, polypropylene electric dampers are also distinguished by their high energy efficiency. By regulating the flow of air through ductwork, these dampers can help reduce energy consumption and lower utility bills. This is especially important in commercial buildings, where HVAC systems are a major source of energy consumption.
Polypropylene electric dampers are also designed for easy installation, which helps reduce installation costs and minimize downtime. They can be installed in new or existing ductwork and can be customized to meet a building’s specific needs.
In summary, Polypropylene Electric Dampers are an essential part of HVAC systems used to regulate the flow of air through ductwork. They are durable, energy efficient and low maintenance, making them ideal for commercial and industrial applications. By understanding how polypropylene electric dampers work, homeowners and facility managers can make informed decisions about their HVAC systems and ensure they are operating at peak efficiency. Contact us.
Plastic duct damper is a damper used in heating, ventilation, and air conditioning (HVAC) systems to regulate the flow of air through the ductwork. Dampers are typically installed within ductwork and can be used to control airflow in a single direction, or to block or divert airflow entirely.
There are many different types of plastic duct dampers on the market, each with their own unique features and benefits. Some key factors to consider when selecting a plastic duct damper include the size of the ductwork, the type of HVAC system being used, and the specific application of the damper.
Key Benefits of Plastic Duct Dampers
Durability and Corrosion Resistance Unlike metal dampers, which can rust or corrode over time, plastic dampers are resistant to many types of chemical and environmental damage. This makes them ideal for harsh industrial environments as well as residential and commercial HVAC systems.
Easy to install Unlike metal dampers, which are bulky and difficult to work with, plastic dampers are lightweight and easy to handle. This makes them ideal for use in tight spaces where manipulating larger components can be difficult.
Types of Plastic Duct Dampers
Inline damper These dampers are installed within ductwork and can be used to control unidirectional airflow. Inline dampers are typically manually operated, using a lever or dial that allows the user to adjust the damper position as desired.
Steering damper These dampers are used to block or divert airflow within ductwork. Diverter dampers are commonly used in HVAC systems to control the flow of air between different areas or rooms and can be operated manually or through an automated control system.
In addition to in-line and split flow dampers, a variety of other plastic duct dampers are available including return flow dampers, volume control dampers. Backflow dampers are used to prevent backflow of air within the ductwork, while volume control dampers are used to regulate the flow of air within the system. Plastic air duct dampers can be made of flame-retardant PP/PVC, and the flame-retardant materials can
When selecting a plastic duct damper, it is important to consider the specific application of the damper. For example, if the damper will be used in an industrial setting, it may be important to choose a damper that is resistant to chemical and environmental damage. If the damper will be used in a residential or commercial HVAC system, it may be important to choose a damper that is easy to install and operate.
In addition to choosing the correct type of plastic duct damper, it is also important to ensure the damper is installed correctly. Improper installation can result in reduced efficiency and performance, and increased energy costs. It is important to work with a qualified HVAC contractor to ensure the damper is installed correctly and operating at peak performance.
In summary, plastic duct dampers are an important part of HVAC systems, allowing users to control the flow of air through the ductwork and improving the efficiency and performance of the system. There are many different types of plastic duct dampers on the market, each with their own unique features and benefits.
PP air valve and air volume control valve are indispensable central air conditioning terminal accessories in the ventilation, air conditioning, and air purification engineering of industrial plants and civil buildings. They are generally used in air conditioning and ventilation system pipes to adjust the branch pipes’ air volume. It can also be used The mixed adjustment of fresh air and return air is used as a gas medium to adjust the flow or cut off the dust in the dusty cold air or hot air gas pipeline of the ventilation and environmental protection projects in the hardware, chemical, building materials, power station, glass, and other industries. According to the operation, it can be divided into manual damper and electric damper. pp windpipe
The electric air valve is composed of the electric actuator and valve body. Electric butterfly valve usually consists of angular stroke electric actuator (0～90°partial rotation) and the butterfly valve as a whole through mechanical connection. The active mode is classified into the on-off type and regulating type, and the latter two are general. It is a straight thread electric actuator (0～100), and the valve body is mechanically connected with PP packing.
Features of the electric damper
1. It is designed and manufactured by adopting a new structural form of welding of mid-line disc plate and temporary structure steel plate. It has a compact structure, lightweight, easy installation, low flow resistance, large circulation, avoids the influence of high-temperature expansion, and is easy to operate.
2. There are no connecting rods, bolts, etc., so it works reliably and has a long service life. It can be installed in multiple positions and is not affected by the flow direction of the medium.
use:
This butterfly valve is a non-closed butterfly valve, which is widely used in the production process of building materials, metallurgy, mining, electric power, and other production processes on pipelines with a medium temperature of ≤300℃ and a nominal pressure of 0.1Mpa to communicate, open and close or adjust the amount of medium.
Structural features:
This butterfly valve is designed and manufactured by adopting a new type of structure welded between a centerline disc plate and a temporary structure steel plate. It is compact in format, light in weight, easy to install, small in flow resistance, large inflow, and easy to operate. There are no connecting rods, bolts, etc., in the body, reliable work, and long service life. It can be installed in multiple positions and is not affected by the flow direction of the medium.
working principle:
The butterfly valve is driven by a motor to go to the actuator. The disc can rotate freely within the range of 90° to achieve the purpose of opening and closing or adjusting the flow of the medium.
Electric damper Uses and characteristics
This valve is made of the same material as the valve body and processed into a sealing ring, which adopts electric or pneumatic transmission. The applicable temperature depends on the material selection of the valve body, and the nominal pressure is ≤0.6MPa. Generally, it is suitable for industrial, metallurgical, environmental protection, and other pipelines for ventilation and media flow adjustment. Its main features are:
Novel and practical design, unique structure, lightweight, and rapid opening and closing.
Small operating torque, convenient operation, labor-saving and dexterous.
Use suitable materials to meet the requirements of low, medium, and high medium temperatures and corrosive mediums.
Electric damper adopts standard
Design standard: GB/T12238-1989 JB/T8692-1998
Flange connection size: GB/T9115.1-2000
Structure length h: GB/T12221-1989
Pressure test: GB/T13927-1992; JB/T9092-1999
electric damper actuator
Adopt the new series of GT electric actuators, double-acting and single-acting (spring reset), gear transmission, safe and reliable; large-diameter valves adopt series AW-type pneumatic actuators with fork drive, reasonable structure, ample output torque; there are double-acting and single-acting.
Geared double pistons, ample output torque, and small volume.
The cylinder is made of aluminum gold material, which is light in weight and beautiful in appearance.
Manual operating mechanism can be installed on the top and bottom.
The rack-and-pinion connection can adjust the opening angle and rated flow.
The actuator can be equipped with electrical signal feedback instructions and various accessories to realize automatic operation.
IS05211 standard connection provides convenience for product installation and replacement.
The joint screws adjusted at both ends can make the standard product have an adjustable range of ±4° between 0° and 90°. Ensure the synchronization accuracy with the valve.
the option of electric damper and accessories
The following accessories can be selected according to different controls and requirements:
Adjustable accessories: electric positioner, pneumatic positioner, electric converter.
Air source treatment accessories: air filter pressure reducing valve, air source treatment triple pieces.
Manual mechanism: HVSD manual mechanism
Performance characteristics of PP damper
Features of the manual damper
(1) The connecting pipe size of the split multi-leaf air volume regulating valve is the same as the rectangular air pipe size stipulated by the national ventilation duct standardization.
(2) The manual air valve blades are side-opening and forward-opening and are used as regulating valves in ventilation, air conditioning, and air purification systems.
(3) Tested and measured, the air volume regulating valve has good air tightness, and its relative air leakage is about 5%, and the regulating performance is good.
the structural characteristics of the manual damper
(1) The manual air valve is unified into four specifications in the blade width. The blade shape is a diamond-shaped double blade. The blades are softly overlapped, so the sealing performance is good.
(3) The manual air valve body frame is formed by cold-rolling 2mm galvanized sheet, then it is welded by carbon dioxide gas shielded welding or processed and welded from ordinary Q235 board; the blade is cold-rolled with 1mm galvanized sheet into a corrugated shape, two pieces Synthetic spot-welded square shaft, or 2mm G235 steel plate cold-formed, single-piece punched square shaft or welded round shaft.
the scope of application of the air volume control valve
It is widely used in industrial, mining, and civil building HVAC systems to adjust airflow accurately. It is one of the vital equipment to control ventilation modes in various environments. Its main features are flexible operation, low noise, small leakage (closed type leakage <0.5%), wide operating temperature range, reliable structure, safety, and convenience.
