Carbon steel multi-tank shallow sand filter – auto backwash.

1. Product Overview

Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter is mainly used in the industrial field of circulating water,

 feed water, and wastewater filtration. Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter medium filtration

 system utilizes deep media to effectively remove particulate matter and reduce turbidity. If loaded with a

 specific filter material, such as activated carbon or zeolite, it can also adsorb corresponding organic matter,

 ions, and more. The fluidization device in the system (bottom drainage device) can fluidize the filter medium, 

remove pollutants trapped in the medium, and discharge them – achieving thorough cleaning.

Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter is engineered as a fully interchangeable substitute for

 original models – maintaining identical dimensional parameters, interface specifications, and filtration 

performance to enable direct drop-in installation without any housing modifications.

As a professional manufacturer specializing in industrial water filtration equipment, we deliver Aite Carbon 

Steel Multi-Tank Parallel Shallow Sand Filter with stable performance, reliable construction,

 and competitive pricing for industrial facilities worldwide.

2. Principle of Operation

Washing Filtration State: When the system is in the filtering state, unfiltered water is evenly distributed through 

the unique water distributor developed by the company. Water flows as laminar flow through the filler layer

 (refined homogeneous quartz sand/garnet). When water flows through the packing layer, impurities are

 trapped. The bottom of the filter has multiple evenly distributed water collectors – filtered water is evenly 

collected and drawn out. Advection filtration enables high flow rate with excellent filtering effect.

Backwash State: With continuous accumulation of impurities in the packing layer, internal pressure loss

increases. When inlet and outlet water pressure head loss reaches the set value, the system automatically 

activates the constant pressure device to convert to backwashing state. When backwashing is over, the hydraulic

 valve changes water supply direction to realize backwashing one by one – more convenient cleaning of 

accumulated impurities.

When Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter is in backwashing state, filtration still continues. 

The standard unit sand cylinder to be backwashed is not filtered, while other standard unit sand cylinders are

 still filtered. Filtered clean water is used to backwash the standard unit sand tank, and the rest is sent to the user. Backwash sewage is discharged through the backwash outlet of the hydraulic valve.

In the high-speed sand cylinder automatic filtration system, the special water collector design makes the fillers 

rub against each other – greatly improving backwash efficiency, reducing required backwash water, and 

eliminating running material phenomenon. The backwashing time of one standard unit sand cylinder is 2 

minutes. After backwashing, the pressure head loss inside the sand cylinder is reduced to a reasonable range, 

the constant pressure device gives a recovery signal, and the hydraulic valve restores to filtering state.

3. Technical Specifications

Parameter Specification

Product Type Carbon Steel Multi-Tank Parallel Shallow Sand Filter

Filter Media Refined homogeneous quartz sand / garnet

Optional Media Activated carbon, zeolite (for organic matter and ion adsorption)

Backwash Time per Unit 2 minutes

Backwash Sequence Filtration units backwashed one by one

Water Supply Uninterrupted during backwashing

Fluidization Device Bottom drainage device

Shell Material Carbon steel

4. Field of Application

Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter is widely used across diverse industrial sectors:

Industry Typical Applications

Industrial Water Filtration Steel oxygen gun water, boiler, heat exchanger water filtration – filtering impurities 

to avoid pipeline and nozzle blockage

Industrial Circulating Water Industrial circulating water filtration systems

Raw Water Treatment Surface river water, lake water, sea water, reservoir water, well water, urban tap water – 

removing sand, suspended matter, algae, organic matter

Agricultural Irrigation High flow, good impurity content water sources – irrigation, parks, golf course lawn 

irrigation

Food Processing Food processing industrial water, paper industry, power plant industrial circulating water 

treatment, industrial and medical purified water

Water Recycling Industrial production water recycling, industrial wastewater treatment

Aquaculture & Recreation Aquaculture, swimming pools, water parks

Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter is suitable for a wide range of water filtration 

applications – providing reliable performance across multiple industries.

5. Quality Assurance & Supply Capabilities

Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter is manufactured under strict quality control standards 

in our own production facilities. Each unit undergoes comprehensive testing to verify:

· Filtration Performance: Suspended matter interception validated

· Structural Integrity: Pressure testing to confirm working pressure ratings

· Sealing Integrity: Leak-proof verification

· Backwash Function: Automatic backwash cycle verified

· Material Quality: EN 10204 material certificates for full traceability

Supply Capabilities:

· Small trial orders: 20–30 days delivery

· Bulk orders: 30 working days delivery

· EXW, FOB, and CIF trade terms available

· Full export documentation for smooth customs clearance worldwide

6. Frequently Asked Questions (FAQ)

Q1: What is the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter designed for?

A: Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter is designed for industrial circulating water,

 feed water, and wastewater filtration – effectively removing particulate matter and reducing turbidity.

Q2: How does the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter work?

A: Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter operates by passing water through a filter material 

layer where suspended matter is retained. When pressure loss increases to a set value, the system automatically

 switches to backwash state.

Q3: Does the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter interrupt water supply during backwashing?

A: No. When Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter is backwashed, the filtration process is 

carried out simultaneously – providing water as usual.

Q4: How long does backwashing take in the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter?

A: Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter backwashing time of one standard unit sand cylinder

 is 2 minutes.

Q5: What filter media are used in the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter?

A: Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter uses refined homogeneous quartz sand or garnet. 

If loaded with activated carbon or zeolite, it can also adsorb corresponding organic matter and ions.

Q6: What is the function of the fluidization device in the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter?

A: The fluidization device (bottom drainage device) in Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter

 can fluidize the filter medium, remove pollutants trapped in the medium, and discharge them – achieving 

thorough cleaning.

Q7: What are the advantages of the special water collector in the Aite Carbon Steel Multi-Tank Parallel Shallow

 Sand Filter?

A: The special water collector design in Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter makes the fillers 

rub against each other – greatly improving backwash efficiency, reducing required backwash water, and 

eliminating running material phenomenon.

Q8: What documentation is provided with the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter?

A: Each unit includes a factory test report, operating manual, electrical schematics, dimensional drawings, and

 material certificates – ensuring smooth installation and comprehensive operational guidance.

Q9: Can the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter be customized?

A: Yes. Custom options for Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter include special flow rates,

 filter media, tank configurations, and control systems – based on site-specific requirements.

Q10: What industries use the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter?

A: Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter is widely used in industrial water filtration, industrial 

circulating water, raw water treatment, agricultural irrigation, food processing, water recycling, and aquaculture

applications.

Q11: What is the filtration flow rate of the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter?

A: Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter can achieve high flow rate with excellent filtering 

effect through advection filtration and multi-tank parallel configuration.

Q12: Can I order a trial unit of the Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter?

A: Yes. We support trial orders with standard delivery lead time of 20–30 working days. Volume discounts are

 available for bulk orders from distributors and industrial end users.

Aite Carbon Steel Multi-Tank Parallel Shallow Sand Filter – carbon steel construction, multi-tank parallel design, 

automatic backwash, uninterrupted water supply, fluidization device for thorough cleaning, 2-minute backwash 

per unit. Contact us today for a free configuration recommendation and competitive factory-direct quotation 

within 24 hours.

Product Features