The Industrial Sand Media Water Filter utilizes graded filtration media to capture suspended solids throughout the entire filter bed. Compared with conventional filtration methods, the depth filtration structure increases dirt holding capacity and extends filtration cycles. The system is widely used as pretreatment equipment in industrial water treatment plants.
The Industrial Pressure Sand Filter System is designed to improve water quality through efficient depth filtration technology. By utilizing multiple filtration media with different particle sizes, the system effectively removes suspended solids, turbidity, sediment, and particulate contaminants from raw water.
With a robust pressure vessel, optimized internal water distribution, and automatic backwash capability, the filter delivers stable filtration performance while reducing maintenance requirements. It is widely used as pretreatment equipment in industrial water treatment systems, municipal water plants, cooling water circulation, wastewater reuse, and desalination projects.
The system can be customized according to flow capacity, operating pressure, filtration media, and automation level to meet the specific requirements of different industries.
Typical Project Applications
Reverse Osmosis Pretreatment
Removes suspended solids and turbidity before RO membranes, significantly reducing membrane fouling and extending membrane service life.
Cooling Water Systems
Protects heat exchangers, pipelines, pumps, and cooling towers by continuously removing particulate matter from circulating water.
Municipal Water Treatment
Provides reliable pretreatment for drinking water plants by reducing turbidity and suspended solids before advanced treatment processes
Wastewater Reuse
Improves reclaimed water quality for industrial recycling and reuse while reducing the load on downstream membrane systems.
System Benefits
High Dirt Holding Capacity
Multi-layer filtration media retain contaminants throughout the filter bed, allowing longer filtration cycles.
Stable Water Quality
Consistent filtration performance ensures reliable downstream operation and improved treated water quality..
Low Maintenance
Automatic backwashing restores filtration performance while reducing manual cleaning requirements.
Long Equipment Service Life
High-quality pressure vessels and corrosion-resistant materials provide reliable long-term operation.
Selection Guide
When selecting a Multi Media Filter, the following information is recommended:
PLC automatic control requirements
Raw water source
Required flow rate
Suspended solids concentration
Desired filtration accuracy
Operating pressure
Automatic or manual backwash
Carbon steel or stainless steel vessel
Technical Parameters
Technical Parameters
Model
FDZ80
FDZ88
FDZ96
FDZ104
FDZ112
FDZ120
Tank Diameter (mm)
2000
2200
2400
2600
2800
3000
Inlet/Outlet Pipe Diameter (mm)
DN100
DN125
DN125
DN125
DN150
DN150
Tank Material
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Carbon Steel
Tank Anti-corrosion Treatment
Paint Anti-corrosion
Paint Anti-corrosion
Paint Anti-corrosion
Paint Anti-corrosion
Paint Anti-corrosion
Paint Anti-corrosion
Single Unit Filtration Area (m²)
3
3.8
4.5
5.3
6.1
7
Filtration Velocity (m/h)
10-15
10-15
10-15
10-15
10-15
10-15
Single Unit Treatment Capacity (m³/h)
30-45
40-60
45-70
50-80
60-90
70-100
Working Pressure (MPa)
0.2-0.4
0.2-0.4
0.2-0.4
0.2-0.4
0.2-0.4
0.2-0.4
Backwashing Intensity (L/(s·m²))
8-12
8-12
8-12
8-12
8-12
8-12
Single Tank Backwashing Duration (s)
120
180
200
300
300
500
Backwashing Interval (h)
4-8
4-8
4-8
4-8
4-8
4-8
Backwashing Control Differential Pressure (MPa)
0.08
0.08
0.08
0.08
0.08
0.08
Filter Media Type
Quartz Sand + Anthracite
Quartz Sand + Anthracite
Quartz Sand + Anthracite
Quartz Sand + Anthracite
Quartz Sand + Anthracite
Quartz Sand + Anthracite
Tank Net Weight (t)
2.5
2.7
3
3.5
4
4.5
Tank Operating Weight (t)
21
26
32
38
45
51
Note: Some parameters in the table will be appropriately adjusted according to actual needs.
FAQs
What is a multi media filter used for?
A multi media filter is used to remove suspended solids, turbidity, sediment, and impurities from water treatment systems.
Is a multi media filter suitable for RO pretreatment?
Yes. Multi media filters are widely used as pretreatment equipment for reverse osmosis systems to protect RO membranes.
Do you offer customized water treatment solutions?
Yes. We provide customized filtration and water treatment solutions according to flow rate, water quality, pressure, and project requirements.
What industries are your filtration systems suitable for?
Our filtration systems are widely used in industrial water treatment, municipal water supply, cooling water systems, wastewater reuse, seawater desalination, irrigation, and process water applications.
Can your equipment support automatic operation?
Yes. Our systems can be equipped with PLC automatic control, differential pressure monitoring, timer control, and remote communication functions.
