Loss in weight powder side feeder for plastic/chemical/pharmacy industry
The loss in weight powder side feeder is a fantastic addition to the plastic, chemical, and pharmacy industry. Providing a range of benefits, this feeder is a great investment for any business looking to improve its production efficiency.
One of the key benefits of this feeder is the various size screw feeding structure that can be chosen to meet different flow rate material and throughput. This means that businesses can easily adjust the feeder to work with different materials, ensuring no time is lost when switching between projects.
Another important feature is the 7'' color touch-screen HMI for automatic control. This high-tech interface makes it easy for operators to control the flow of materials with the touch of a button, allowing for precise feeding and reducing the risk of errors.
The service motor drive is also a great feature, providing instant and accurate response. This ensures that the feeder can quickly adjust to changes in material flow without any hiccups or delays. Additionally, the self-adjust/correcting function is another important feature that helps save time and reduces the risk of material waste.

Walthmac WPB series loss in weight powder side feeder is widely used in high-precision feeding applications on engineering plastic, chemicals, cables, food, pharmacy, building materials, etc. It’s specially designed for the quantitative feeding requests on viscous materials, the system can work independently or in combination with other material processing auxiliary devices. It has multi-choices of feeding screw mode, both dosing and mixing precision of WPB series positioned at first-class in international industry.


Walthmac loss in weight powder side feeder parameter:
| MODEL | Size/cm | NW | Throughput(L/HR) | Power | Precision rating |
| WPB-T1 | 57*40*59 | 50 | 0.8-228 | 0.2 | +- 99.5% |
| WPB-T2 | 89*55*115 | 80 | 1.3-432 | 0.8 | +- 99.5% |
| WPB-T3 | 106*63*121 | 150 | 1.8-532 | 1.8 | +- 99.5% |
| WPB-T4 | 106*63*156 | 190 | 2.1-639 | 1.8 | +- 99.5% |

Walthmac WPB series high precision loss in weight powder feeding system is widely applied on extruder line, film blow molding line and injection line in plastic/pharmacy/chemical industry.


Walthmac loss in weight powder side feeder:
-Various size screw feeding structure can be chosen to meet different flow rate material and throughput.
-7'' color touch-screen HMI for automatic control.
-Servo motor drive, instant and accurate response.
-Self-adjust/correcting function.
-User friend HMI
-Walthmac patent centralized control system


Walthmache LIW screw powder feeder is an essential component in the modern industrial and manufacturing processes. Its simple yet effective working principle, accuracy, and efficiency make it indispensable in the production line. With the advancement of technology, the feeder is continually being improved to meet the ever-changing industry requirements and ensure maximum production success and profitability.
The feeder has a hopper that holds the powder and a discharge outlet that delivers the powder to the production line. The hopper is mounted on load cells that measure the weight of the material. The discharge outlet is attached to a screw that rotates at a set speed to convey the material to the production line.
The LIW screw powder feeder is a crucial component in many manufacturing and processing industries. It is used to feed powders such as chemicals, plastics, and food additives, among others. The feeder has a range of benefits, including reducing material waste, ensuring consistent product quality, and improving production efficiency.


our loss in weight powder side feeder is an excellent investment for businesses in the plastic, chemical, and pharmacy industries. It improves production efficiency while reducing waste, and it is backed by our commitment to quality and customer service.
- Each feeder is securely packaged in a strong wooden case to ensure safe and damage-free delivery. Our team also provides online technical support to assist with installation and any post-installation questions that may arise.

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