Gravimetric Powder sider feeders for extruders are essential equipment used in plastics manufacturing to achieve high accuracy and consistency in the feeding of powders into extruders. These feeders are designed to deliver powders in a controlled manner, ensuring that the extruders receive an even feed.
Our company offers a range of Gravimetric powder sider feeders for extruders, including the WPB-T1, WPB-T2, WPB-T3, and WPB-T4 models. Each model comes with unique features and specifications to meet the specific needs of your manufacturing process.
The WPB-T1 model measures 570mm x 400mm x 590mm and weighs 50kg. It has a volume capacity of 100 liters and a throughput range between 0.8 and 500 liters per hour. Its power output is 0.2kW, and its precision level is within 0.5%.
The WPB-T2 model measures 890mm x 545mm x1,140mm and weighs 80kg. It has a volume capacity of 500 liters and a throughput range between 1 and 3,000 liters per hour. Its power output is 0.8kW, and its precision level is within 0.5%.
The WPB-T3 model measures 1,058mm x 635mm x 1,210mm and weighs 150kg. It has a volume capacity of 1,000 liters and a throughput range between 10 and 20,000 liters per hour. Its power output is 1.0kW, and its precision level is within 0.5%.
The WPB-T4 model measures 1,058mm x 635mm x 1,560mm and weighs 190kg. It has a volume capacity of 1,500 liters and a throughput range between 10 and 20,000 liters per hour. Its power output is 1.0kW, and its precision level is within 0.5%.
Our powder feeders for extruders are designed to handle a wide range of powders and granules, including PVC and other plastics. They are easy to install, operate, and maintain, ensuring you get the best performance and value for your money.
At our company, we pride ourselves in designing and manufacturing top-quality Gravimetric Powder sider feeders equipment that meets or exceeds international standards. Contact us today and let us help you achieve your plastics manufacturing goals.
equipment application
Walthmac WPB series additive powder side feeder is suitable for dosing feeding plastic granule, slice, roll or irregular shape materials such as slim pellet, powder etc. It is good raw material dosing processing auxiliary equipment for extruder line, injection line, film blown molding line.

equipment parameter
Walthmac compound powder side feeder model:
Model and Parameter | |||||||
Model | Dimensions (mm) | NW (KG) | Weight (KG) | Volume(L) | Throughput (L/HR) | Power (kw) | Precision (%) |
WPB-T1 | 570*400*590 | 50 | 30 | 10 | 0.8 – 50 | 0.2 | ± 0.5% |
WPB-T2 | 890*545*1140 | 80 | 50 | 50 | 1 – 300 | 0.8 | ± 0.5% |
WPB-T3 | 1058*635*1210 | 150 | 100 | 100 | 10 – 2000 | 1.8 | ± 0.5% |
WPB-T4 | 1058*635*1560 | 190 | 150 | 200 | 10 - 2000 | 1.8 | ± 0.5% |
Equipment application
The Walthmac WPB series high precision additive powder side feeding system is particularly useful for those industries that require high precision rating dosing feed for materials such as pellet, powder, and lump. It is capable of handling small quantities with ease, making it ideal for various processes that require precise amounts of additive powder.
The Walthmac WPB series high precision additive powder side feeding system is versatile and can be used in different applications across many industries, including the food industry, pharmaceuticals, plastics, and chemicals. With its high precision rating, it ensures that each process is completed accurately, leading to improved quality and reduced wastage.

Products Description
Walthmac compound powder side feeder:
-Various size screw feeding structure for different flow rating material and throughput.
-7'' color touch-screen HMI for automatic control.
-Servo motor drive.
-Self-adjust/correcting function.
-Twin screw dosing feeding mechanical structure.
-Separate working & Co-working mode.

The Walthmac WPB series high precision additive powder side feeding system is a reliable and efficient solution for those businesses looking for a precision dosing feed mechanism. Its versatility and ease of use make it a popular choice for many industries. With this system, you can be assured of accurate and consistent results every time, making it an excellent investment for any business that values precision and quality
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