Semi Automatic Vacuum Feeding Linear Weigher System for Powder and Small Granules Weighing JW-B19
The Kenwei JW-B19 Semi-Automatic Vacuum Feeding Linear Weigher is ideal for precise weighing of powders and small granules like sugar, salt, rice, coffee, and milk powder. With full automation, high accuracy, and space-saving design, it boosts efficiency while reducing labor and cost. Perfect for industries needing reliable, flexible, and compact weighing solutions.
Material | 304 stainless steel | Certification | CE, OIML, SGS |
Availability | OEM/ODM | Delivery Time | 7-30days |
Start Port | Zhongshan port | Supply Ability | 500 sets/year |
Feature
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● Fully Automated Process: This system efficiently manages the entire workflow—from material feeding to precise weighing and final output—minimizing manual labor and reducing error rates. Advanced sensors and control systems ensure stable, reliable performance and consistent operational results.
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● High Versatility and Accuracy: Designed to handle a wide range of materials, from fine powders to various granules, the system delivers excellent weighing precision. This is vital for maintaining product quality and meeting regulatory standards, even when operating at high volumes.
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● Compact and Cost-Efficient: With its space-saving design, the system is ideal for production areas with limited room. By reducing manual handling and enhancing automation, it significantly cuts labor costs and improves overall productivity, offering excellent return on investment.
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● Wide Material Compatibility: Optimized for both powders and uniformly shaped granules, the system easily adapts to different material properties. Its flexible design makes it a reliable solution for manufacturers working with a diverse range of product types across various industries.
- ● Affordable and Versatile: This system delivers outstanding value for money, making it a smart investment for companies needing reliable weighing performance. It's particularly suited for bag types that traditional packaging machines can't handle, offering a cost-effective yet advanced solution.

Manual Packing System Process Flow

- The Manual Packing System follows a streamlined process: feeding, weighing, filling, sealing, and output. This setup ensures basic packaging efficiency while allowing flexibility and control, ideal for small-scale or customized production operations.
Series Models
Application
It is ideal for weighing powdered and rolled or uniformly shaped granules, including sugar, salt, seeds, rice, sesame, monosodium glutamate, milk powder, coffee, seasoning powder, and more.

Optional Equipment

Check weigher
Eliminates products that don’t meet weight standards, sorts them, and generates statistical data. (if already equipped with other weight detection equipment then no need use this machine)

Horizontal Metal Detector
Used to detect any metal contamination that may have occurred during the production process. It is ideally placed after packaging is complete.(if already equipped with other weight detection equipment then no need use this machine)

Metal Detector with Check weigher
Combines metal detection and weight checking in one unit, reducing costs and minimizing commissioning and maintenance time.

Finished product conveyor
Utilized to transport the product to the next stage of the process.

Throat Metal Detector
Detects metal contamination before packaging, installed between the weigher and packaging machine for space efficiency.(if already equipped with other weight detection equipment then no need use this machine)
Customer Cases
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The high-speed 4-head linear weigher with vacuum feeder offers an efficient and precise solution for weighing corn kernels. Engineered for accuracy and speed, this system ensures consistent portioning while maintaining smooth production flow. The vacuum feeder improves feeding reliability by preventing blockages and enabling a steady supply of kernels into the weighing unit. Ideal for the food processing sector, it enhances productivity and reduces material waste, making it an excellent choice for bulk packaging tasks.
● Linear Weigher Technology Highlights:
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Four independent weighing heads for parallel operation.
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Linear vibration feeders to gently handle product.
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Smart combination logic for optimized weighing efficiency.
● Advanced Vacuum Feeder Features:
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Tailored to the unique properties of corn kernels.
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Adjustable suction to minimize product damage.
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Anti-blockage design for uninterrupted feeding.
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Built with food-grade, hygiene-compliant materials.
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Frequently Asked Questions
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Browse some answers to our most common questions, or you can drop us a line to ask something else.
About Product choice
What is the average lifespan of Kenwei products?
Kenwei machines are built for durability and longevity. With proper maintenance, our products are designed to last for many years, even under heavy usage. We offer maintenance services and support to help extend the lifespan of your machines.
About Solution suggestions
Can Kenwei solutions be used for both manual and automated packing lines?
Yes, Kenwei machines can be used in both manual and automated packing lines. We can provide integrated systems that work alongside manual labor or fully automated systems depending on your production requirements.
About products customization
How do I request a custom-built Kenwei machine?
To request a customized machine, simply contact our sales or engineering team.
About After Sales Support
How can I get technical support for my Kenwei machine?
You can contact Kenwei's technical support team via email, phone, or through our website.
About Logistics
How are large machines handled during shipping?
Large machines are typically shipped via sea freight using containerized shipping.

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