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About UsShanghai Yazen specializes in electronic platform scales, hanging scales, truck scales, floor scales, analytical balances, explosion-proof scales, checkweighers, batching and packaging scales, LA cloud-platform smart scales, and IoT-based dynamic weighing systems. The company is among the earliest in the industry to adopt online sales platforms.
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SolutionShanghai Yazen specializes in electronic platform scales, hanging scales, truck scales, floor scales, analytical balances, explosion-proof scales, checkweighers, batching and packaging scales, LA cloud-platform smart scales, and IoT-based dynamic weighing systems. The company is among the earliest in the industry to adopt online sales platforms.
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NewsShanghai Yazen specializes in electronic platform scales, hanging scales, truck scales, floor scales, analytical balances, explosion-proof scales, checkweighers, batching and packaging scales, LA cloud-platform smart scales, and IoT-based dynamic weighing systems. The company is among the earliest in the industry to adopt online sales platforms.
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Technical servicesShanghai Yazen specializes in electronic platform scales, hanging scales, truck scales, floor scales, analytical balances, explosion-proof scales, checkweighers, batching and packaging scales, LA cloud-platform smart scales, and IoT-based dynamic weighing systems. The company is among the earliest in the industry to adopt online sales platforms.
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Contact UsShanghai Yazen specializes in electronic platform scales, hanging scales, truck scales, floor scales, analytical balances, explosion-proof scales, checkweighers, batching and packaging scales, LA cloud-platform smart scales, and IoT-based dynamic weighing systems. The company is among the earliest in the industry to adopt online sales platforms.
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FWS-5U Semi-Automatic Liquid Quantitative Filling Scale
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The FWS-5U liquid quantitative filling scale is a semi-automatic liquid filling scale. This series features either overfilling or underfilling methods. Its uniquely designed spray nozzle assembly is easy to operate, ensuring fast and precise filling while significantly reducing residual liquid dripping at the end of the filling process. During filling, the operator simply moves the container so that its filling port aligns with the spray nozzle head and presses the “Start” button. The spray nozzle then automatically descends, the empty container is automatically tared, and the filling process proceeds precisely in two speed stages, guaranteeing high filling accuracy. Once filling is complete, the spray nozzle automatically rises, the filled container is moved away, and a single filling cycle comes to an end.
The product offers two types of filling process control: liquid-level type and submergence type. For raw materials that generally do not produce foam, the liquid-level filling method is used; for raw materials that tend to foam, the submergence-type filling process control is employed. This ensures that the feed inlet remains below the liquid surface and rises along with the liquid level, thereby preventing bubble formation, avoiding material overflow, and accelerating the filling speed. The spray gun designs are available in two models: FA for high-viscosity materials and FB for low-viscosity materials. Featuring a unique clamp-style connection structure, these spray guns are easy to disassemble and clean, making them suitable for filling materials of various viscosities. The filling scale primarily consists of a spray gun assembly, a system controller, an all-electronic weighing platform, mechanical structural components, and a conveyor roller system. It boasts a compact and rational design, stable and reliable operation, and simple installation and operation procedures. Moreover, it can be adjusted appropriately to suit different site conditions and production capacities, fully meeting user requirements.
Scope of application
The FWS-5U liquid quantitative filling scale precisely dispenses large quantities of bulk liquid materials by weight into various containers, iron drums, or plastic buckets. It is designed for automatic, quantitative filling of drums ranging from 1L to 30L and is widely used in industries related to liquid materials, such as chemical, grain, and pesticide processing. It is suitable for products including coatings, paints, inks, adhesives, curing agents, resins, dyes, cleaning agents, motor oils, glycerin, lubricants, edible oils, fragrances, solvents, additives, food additives, pesticides, and other hazardous chemical products.
Functional Features
Product Settings – Store up to 10 different product weight setpoints and their associated filling parameters.
Data Statistics—Includes cumulative weight and cumulative count; can be connected to a computer for data management (optional).
Multi-stage filling—can be configured in two stages (fast/slow) or three stages (slow/fast/slow), significantly improving filling accuracy.
Flow restriction device—effectively prevents splashing caused by high initial pumping pressure when filling low-viscosity products.
Drip-proof—The high-viscosity spray gun addresses dripping issues during the filling of high-viscosity products, while the low-viscosity spray gun features an automatic oil-drip cup and a gas-collection hood.
Barrel-impact protection—prevents damage caused by misalignment of the barrel opening when the spray gun is lowered.
Quick replacement—All connections in the conveying pipeline use quick-connect fittings, making it easy to quickly swap out spray guns.
Filling nozzle—The corresponding filling nozzle can be easily replaced according to the diameter of different containers, making the operation process more convenient (optional).
Automatic hole alignment—many filling ports on cylindrical containers feature eccentric holes. This technology can address the inconvenience of manual hole alignment (optional).
Filling Mode – The filling mode design allows for filling via the bucket opening, inside the bucket mouth, and below the liquid surface. Users can control the spray gun’s lifting speed to accommodate products with varying foam levels (optional).
Solid construction—parts in direct contact with the material are made of 316 stainless steel, while the remaining parts are made of 304 stainless steel, carbon steel, and other materials.
Interlocking Safety – Various process interlocks ensure safe operation.
Easy to operate—The filling system is easy to learn and use.
Flexible design—offering various types of equipment and optional accessories tailored to the characteristics of on-site raw materials and container sizes, with a compact structure.
Easy to install—simply secure the equipment to the ground using expansion bolts, connect the material pipeline, power supply, and air source, and you’re ready to start filling.
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Filling method: Liquid-over type
Filling specification: Single nozzle, single barrel
Spray gun structure: FA-type spray gun (316 stainless steel, Teflon gaskets and seals, clamp-style connection)
Material interface: 3/4" NPT or DN20 flange connection (material inlet pressure < 6 kg/m²). 2)
Material viscosity: 15,000 CPS
Filling range: 0.1–5 kg/can
Filling speed: 8–12 (the material flow rate in the pipeline should be ensured to reach 90 L/min)
Filling accuracy: 0.2% (accuracy depends on the adjustment of slow feeding as well as the continuity and stability of material supply).
Filling container type: 1/4 L to 5L small-mouth bottles/open-mouth bottles
Air source pressure: 4–6 kg/m 2
Air source consumption: 50/min
Power supply voltage: 110/220 VAC · Power consumption: 0.5 kW
Working environment: Temperature: -20℃ to 45℃, relative humidity: 95% (no condensation).
Hazardous Area: The FWS filling system can be used in Class 1, Division 2 hazardous areas of Groups A, B, C, and D, with an explosion-proof rating of ExdIIBT4.
Note: If the filling efficiency needs to be improved, the machine can be modified into a multi-barrel filling machine according to customer requirements.
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