The Unite U-ZC-X1/X2 series fully automatic suction filters are availablein both vertical and horizontal configurations. A geared motor drives thecleaning mechanism, which incorporates a unique multi-layer stainlesssteel filter screen, achieving filtration accuracy down to 10 microns. Thesuction scanning technology consumes less than 1% of the total watervolume, representing the lowest discharge water consumption rateamong all self-cleaning modes (this ratio is adjusted according to specificapplication requirements)
Automatic & Hassle-Free:
Self-Cleaning: The filter cleans itself automatically, no manual intervention needed, saving labor.
Continuous Operation: Cleans while filtering, ensuring uninterrupted production.
Effective Cleaning:
Thorough Cleaning: Unique suction or scraping technology completely removes debris from the filter screen.
Low Water Usage: Uses minimal water for each cleaning cycle, very water-efficient.
Wide Applicability:
Filters All Types of Liquids: Handles various filtration requirements, from coarse to fine.
High Capacity: Can process large volumes of liquid, suitable for large-scale production.
Corrosion Resistant: Available in various materials to suit different liquids.
Raw water enters the filter inlet (1) through a coarse filter screen (2),which protects the cleaning mechanism from large particulate impurities.
The water then passes through a fine filter screen (3), which traps andaccumulates dirt particles within the filter. Clean water flows out throughthe filter outlet (4). As the dirt accumulates on the inner surface of thefilter cake, the pressure difference increases. A differential pressuretransmitter senses this pressure difference, and when it reaches a presetvalue, the cleaning process begins.Self-cleaning process:
The filter is cleaned by a suction-type scanner (5) that rotates in a spiralpattern across the filter screen; the opened exhaust valve generates ahigh-speed suction flow at the nozzle tip, "vacuuming" the filter cakefrom the filter screen. During the self-cleaning process, which takes 20 to40 seconds, the filtered water continues to flow downstream.
Fluid enters the filter and solid particles are captured by the filter element.
When preset pressure or time is reached, the system automatically initiates backwashing.
Removed particles are flushed out through the drain outlet.
Differential pressure is continuously monitored to detect filter contamination.
Clean fluid flows in reverse direction to remove trapped contaminants from the filter surface.
The system resumes normal filtration without interrupting operation.
| Model | Approximate Dimensions (in) | Pipe Diameter (in) | Reference Flow | Filtration Area | |||
|---|---|---|---|---|---|---|---|
| A | B | C | Inlet/Outlet | Drain | m³/h | cm² | |
| X1-2 | 10 | 21 | 18 | 2" | 1" | 25 | 3900 |
| X1-3 | 10 | 21 | 18 | 3" | 1" | 50 | 3900 |
| X1-4 | 10 | 25 | 24 | 4" | 1" | 70 | 4900 |
| X1-5 | 10 | 25 | 24 | 5" | 1" | 100 | 4900 |
| X1-6 | 11 | 25 | 24 | 6" | 2" | 150 | 7900 |
| X1-8 | 11 | 25 | 24 | 8" | 2" | 280 | 7900 |
| X1-10 | 13 | 31 | 25 | 10" | 2" | 450 | 11500 |
An Automatic Suction-type Filter is a self-cleaning filtration system that removes contaminants from liquids by using a suction scanner or nozzle that travels along the filter element surface to extract and discharge accumulated solids.
During operation, fluid passes through the filter element while solids are retained. When cleaning is triggered by pressure differential or timer, a suction nozzle moves across the filter surface, creating localized reverse flow that removes debris and discharges it from the system.
Key advantages include continuous filtration during cleaning, low water or liquid loss, high cleaning efficiency, suitability for fine particle removal, and reduced maintenance compared to manual filters.
These systems are widely used in water treatment, petrochemical processes, cooling water systems, paper and pulp industry, food and beverage, and industrial process water filtration.
Suction-type filters clean locally using a moving suction nozzle, minimizing process interruption and fluid loss. Backwash filters reverse flow through the entire element, which may consume more fluid during cleaning.
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