450 High Efficiency Vibrating Screen
The JR-450 High-Efficiency Vibrating Screen, equipped with a new, versatile dedicated power generator, is a high-efficiency, low-noise, compact vibrating screening and filtering machine designed by Jiarui’s technical engineers to facilitate user mobility.
This 450 High Efficiency Vibrating Screen from Jiarui Machinery features non-clogging screens and minimal powder dispersion, making it particularly suitable for filtering powders with low coarse particle content and liquids with low impurity levels. In addition to sifting powder, it can also be used for mixing, granulation, or liquid filtration. It has been widely adopted in various industries, including food (e.g., flour sifting and soy milk filtration), ceramics, chemicals (e.g., paint and coating filtration), and pharmaceuticals.
What Is a 450 High-Efficiency Vibrating Screen?
The 450 High-Efficiency Vibrating Screen is a key piece of equipment used in industrial screening and filtration. The model number “450” typically refers to a compact design with a screen body diameter of approximately 450 millimeters. The core function of this equipment is to rapidly separate solid particles of different sizes or achieve liquid-solid separation through multidimensional vibrations generated by a high-efficiency vibration motor. With its high efficiency, low noise, compact size, and portability, it has become the ideal choice for powder sieving, slurry filtering, and impurity removal in industries such as fine chemicals, food processing, pharmaceuticals, ceramic glazes, and coatings. With a wide range of sieving precision—extending from coarse screening (e.g., 30 mesh) to ultra-fine filtration (e.g., 400 mesh and above)—it meets a variety of demanding process requirements, from flour sieving to the filtration of high-viscosity paints.

Jiarui Machinery’s JR-450 series ultra-quiet screening and filtering machine is specifically designed for users seeking superior performance and operational convenience. Its core advantage lies in the adoption of a new universal special power generator, ensuring ultra-silent operation and excellent energy efficiency. Specifically, the JR-450 delivers impressive processing capacity. For example, when filtering paint with a specific gravity of 1.1 using a 325-mesh screen, it can process up to 1,200 liters per hour; when processing flour with a 30-mesh screen, it can handle 700 kilograms per hour. The parts of the equipment that come into contact with materials are constructed of stainless steel, ensuring hygiene and durability, and the design includes features for quick screen changes and easy cleaning. For applications requiring greater mobility, the JR-450S model (with a mobile cart) is also available. The entire unit is constructed of 304 stainless steel, further enhancing the equipment’s versatility and service life. Whether for powder sieving in the food industry or liquid filtration in the chemical sector, Jiarui Machinery’s JR-450 provides a reliable, efficient, and quiet sieving and filtering solution.
How Does the JR-450 High-Efficiency Vibrating Screen Work?
The JR-450 High Efficiency Vibrating Screen operates through a specially designed vibration system that efficiently separates powders, granules, and liquids. By generating a three-dimensional vibratory motion, the machine achieves high screening accuracy, continuous throughput, and clog-free performance across a wide range of industrial applications.
Step 1: The JR-450 High Efficiency Vibrating Screen is driven by a specially designed vibration motor. When the motor starts running, the eccentric weights mounted on both ends of the motor shaft rotate at high speed, generating adjustable centrifugal force.
Step 2: Under the action of the excitation force, the screen frame and mesh perform a complex three-dimensional motion. Instead of moving only vertically or horizontally, the screen combines vertical vibration, horizontal movement, and inclined throwing action simultaneously.
Step 3: After entering through the feed inlet, materials are quickly dispersed across the entire screen surface. Continuous vibration causes particles of different sizes to separate naturally. Fine particles gradually move downward toward the mesh openings, while larger particles remain on the upper layer.
Step 4: As the material continues moving across the screen, particles smaller than the mesh opening pass through the screen and are discharged from the fine-material outlet. Oversized particles, impurities, or agglomerates remain on the screen surface and travel along a spiral path toward the oversize discharge outlet.
For liquid filtration applications such as paints, coatings, inks, or ceramic slurries, the liquid phase passes through the filter mesh while unwanted solids are retained and discharged separately, achieving efficient solid-liquid separation.
Step 5: During operation, the continuous vibration keeps the screen mesh in constant motion. This prevents powder accumulation and reduces the risk of mesh blockage, even when processing ultrafine powders or sticky materials.
Step 6: Once separation is completed, qualified materials and oversized materials are discharged continuously through their respective outlets.


Working Principle Summary
In simple terms, the JR-450 High Efficiency Vibrating Screen works through a straightforward process: the vibration motor generates excitation force, the screen body produces three-dimensional vibration, materials are stratified and screened, and qualified products are separated and discharged continuously. This efficient screening mechanism enables the machine to deliver accurate particle separation, stable filtration performance, and reliable operation across food, chemical, coating, ceramic, pharmaceutical, and other industrial applications.
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Applications of the High-Efficiency Vibrating Screen
The Jiarui Machinery JR-450 is a versatile industrial vibrating screen. Its core advantage lies in its ability to efficiently and quietly process materials ranging from coarse particles (such as 30-mesh flour) to ultrafine powders (such as 400-mesh materials). In the food industry, it ensures the purity of raw materials; in the chemical sector, it enables high-precision filtration, making it particularly suitable for handling viscous materials such as paints and coatings, effectively preventing mesh clogging. Whether used for powder sieving or liquid filtration, the Jiarui Machinery JR-450’s compact design and easy mobility make it a reliable screening solution for enhancing quality and efficiency on production lines or in laboratories.
Flour
Soy Milk
Milk powder
Vegetable Juice
Pharmaceutical raw material powders
Coffee powder
Powder Coatings
Malt Powder
Below is a list of commonly screened materials that we have compiled:
| Industry | Typical Materials Processed | Purpose of Screening & Filtration |
|---|---|---|
| Food & Beverage | Flour, bread flour, powdered sugar, starch, soy milk, fruit and vegetable juice, seasonings, cocoa powder | Removing impurities, particle size grading, improving product consistency, and ensuring food safety standards |
| Chemicals & Coatings | Paints, coatings, resins, ceramic glaze, pigments, dyes, powder additives | High-efficiency filtration of contaminants and agglomerates to improve product uniformity and quality |
| Pharmaceuticals & Nutraceuticals | Pharmaceutical powders, herbal extracts, active ingredients, vitamin powders, health supplement materials | Precise particle separation, foreign matter removal, and compliance with strict hygiene and GMP requirements |
| Ceramics & Metallurgy | Ceramic powders, metal powders, abrasive materials, ceramic glaze, mineral powders | Particle size classification and separation to provide consistent raw materials for downstream processing |
| Plastics & Polymers | Plastic granules, masterbatch, recycled plastic materials, polymer powders | Removing oversized particles and contaminants while improving product quality and production efficiency |
| Feed & Agriculture | Animal feed, feed additives, grain powders, and agricultural processing materials | Screening impurities, controlling particle size, and improving product consistency |
| Building Materials | Cement additives, dry mortar, gypsum powder, mineral fillers | Fine screening, impurity removal, and quality control during production |
| Other Industrial Applications | Abrasives, battery materials, specialty powders, industrial raw materials | Rapid screening, filtration, classification, and production efficiency improvement |
If your industry is not listed above, please feel free to contact Jiarui Machinery to determine if there is a better solution for your screening needs.
At Jiarui Machinery, we can provide screening solutions ranging from standard models to highly customized options tailored to the specific requirements of your industry.
Advantages of High-Efficiency Vibrating Screen
High Screening & Filtration Efficiency
High screening and filtration efficiency, suitable for all kinds of powders, slurries, and liquid materials.
Capable of screening materials up to 400 mesh while maintaining stable performance and consistent product quality.
Multi-Purpose Application
In addition to powder screening, the machine can also be used for mixing, particle sizing, and liquid filtration.
One machine can perform multiple processing tasks, making it suitable for a wide range of industries and applications.

Anti-Clogging & Easy Maintenance
Mesh openings remain clear during operation, preventing screen blockage and powder accumulation.
Easy screen replacement, simple operation, and convenient cleaning reduce maintenance time and improve production efficiency.
Compact, Quiet & Hygienic Design
Quiet operation with no complex mechanical transmission components and minimal maintenance requirements.
Compact structure, lightweight design, and easy mobility help save valuable production space.
All material-contact parts are manufactured from high-quality stainless steel to ensure hygiene and durability.
OEM & ODM Customization Available
Jiarui Machinery provides OEM and ODM customization services based on customer requirements. Custom options include voltage configuration, machine materials, mobile cart design, mesh size selection, inlet and outlet structures, and other application-specific modifications.
Specifications
| Parameter | JR-450 | JR-450S (Mobile Cart Version) |
|---|---|---|
| Model | JR-450 | JR-450S |
| Power | 0.18 kW | 0.18 kW |
| Overall Dimensions (L × W × H) | 500 × 500 × 600 mm | 500 × 500 × 1000 mm |
| Screen Frame Size (Diameter × Height) | Ø488 × 135 mm | Ø488 × 135 mm |
| Weight | 40 kg | 48 kg |
| Material Construction | Q235A Carbon Steel Base with Stainless Steel Contact Parts | Full SUS304 Stainless Steel Construction |
| Mobility | Fixed Type | Mobile Cart Design |
Notes
- JR-450 features a high-quality Q235A carbon steel base with stainless steel material-contact parts.
- JR-450S is manufactured entirely from SUS304 stainless steel and includes a mobile cart for easy movement.
- Custom voltage, material grades, and configuration options are available upon request.
Why choose Jiarui Machinery?

Precision Engineering & Compliance Standards
10-Year Design Life: Built to industrial-grade durability standards, ensuring a 10-year operational lifespan under heavy, continuous workloads.
Global Certifications: Production lines are ISO 9001:2008-certified, and all screening equipment carries the European CE safety mark.
Rigorous Quality Control & Process Adaptation
2-Hour Pre-Shipment Run: Every unit undergoes a mandatory 2-hour continuous trial run to verify amplitude stability and motor temperature before dispatch.
Long-Term Parts Availability: Backed by a 1-year warranty and a permanent inventory of standard wear parts (screens, seals, springs) to minimize factory downtime.
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