Products
Sand and Gravel Filter
Sand and Gravel Filter
Sand and Gravel Filter
Sand and Gravel Filter
Sand and Gravel Filter
Sand and Gravel Filter
Sand and Gravel Filter

Sand and Gravel Filter

This automatic sand media filter is specially designed for large-scale agricultural irrigation, industrial water treatment and landscape irrigation systems. Made of heavy-duty anti-corrosion carbon steel and equipped with PLC-controlled automatic backwash function, it delivers stable, reliable and low-maintenance filtration for turbid water sources such as rivers, ponds and wells.

Introduction

Clogged Drip Emitters: Sediment, algae and suspended solids in irrigation water will damage precision irrigation systems, resulting in uneven water supply, crop loss and high maintenance costs.

High Maintenance Cost & Water Waste: Manual filter cleaning is time-consuming and labor-intensive. Poor water quality also leads to resource waste and lower irrigation efficiency.

Risks of Unstable Water Quality: Turbid water corrodes water pumps, valves and pipelines, shortening equipment service life and raising operating costs.

Core Advantages

Excellent Filtration for Complex Water Quality Adopting deep-layer quartz sand media, it removes sediment, organic matter and algae via physical interception and adsorption. It consistently supplies clean water and fully protects your irrigation system from clogging.

Automatic Backwashing with Zero Downtime The dual-tank structure enables one tank for filtration while the other for backwashing. No need to suspend irrigation or conduct manual disassembly and cleaning. The PLC control system ensures continuous operation and greatly cuts labor costs.

Sturdy Structure & Long Service Life Built with anti-corrosion carbon steel, the filter resists harsh outdoor conditions and high water pressure. Its robust construction guarantees years of stable performance with minimal wear.

Low Operating Cost & High ROI

Quartz sand media is cost-effective and easy to replace, with a service life of 3 to 5 years.

The equipment features low power consumption and no expensive consumables, keeping running costs to a minimum.

It effectively prevents emitter clogging, pump damage and water waste, helping you save a great deal on maintenance and resources.

Eco-Friendly & Sustainable No chemicals are added during filtration, so the treated water is harmless to crops, soil and the surrounding environment. It also improves irrigation efficiency to reduce water consumption, supporting sustainable agricultural development.

Flexible Configurations for All Scales Available in single-tank, dual-tank and multi-tank (2–6 tanks) parallel setups, suitable for small farms, large agricultural bases and industrial facilities. Custom sizes and flow rates are available to meet your specific requirements.

 

Application Fields

Agricultural Irrigation: Protect drip, sprinkler and micro-irrigation systems against emitter clogging.

Industrial Water Treatment: Pre-filtration for process water and wastewater.

Landscaping & Golf Courses: Provide clean water for large-scale sprinkler systems.

Municipal Water Supply: Pre-treatment for surface water sources.

Technical Parameters

Parameter

Specification

Flow Rate Range

10–540 m³/h (customizable tank combinations)

Filtration Accuracy

20–200 μm

Working Pressure

0.2–0.6 MPa (Design Pressure: 1.0 MPa)

Inlet & Outlet Turbidity

Inlet ≤ 200 NTU / Outlet ≤ 10 NTU

Operation Mode

PLC-controlled fully automatic backwashing

Application

Sprinkler Irrigation / Micro-Irrigation / Drip Irrigation, Farm Water Treatment

 

Item Content Item Content
type IRRIGATION SYSTEM core components PLC
material Metal machinery test report Provided
after-sales service provided Video Technical Support warranty 1 Year
key selling points Remote Monitoring Suitable for drip irrigation Not Available
usage Farm place of origin Henan, China
weight 500 brand name LEFILTER
Tank material Intercept suspended solids and sediment Specification and type Single/double cans
Tank material Carbon steel anti-corrosion/ working pressure 0.2-0.6 MPa
Design pressure 1.0 MPa Operating Temperature 5-50 ℃
Filtering accuracy 20-200 μm Handling traffic 10-300 m³/h
Inlet turbidity ≤200 NTU Turbidity of effluent ≤10 NTU
Suitable for drip irrigation Sprinkler irrigation/Micro irrigation

 

Model Number of Tanks Minimum Flow Rate (m³/h) Maximum Flow Rate (m³/h) Filtration Area (m²) Backwash Flow Rate per Tank (m³/h) Maximum Working Pressure (MPa) Inlet/Outlet Port Size Sewage Pipe Size
DMF-2016-2A 2 16 27 0.4 13.5 0.8 2" 2"
DMF-2416-2A 2 27 50 0.56 22 0.8 3" 3"
DMF-2816-2A 2 36 60 0.77 30 0.8 4" 4"
DMF-3216-2A 2 60 80 1 40 0.8 4" 4"
DMF-3616-2A 2 75 100 1.28 50 0.8 4" 4"
DMF-2016-2A 2 80 120 1.88 60 0.8 6" 4"
DMF-4816-2A 2 100 160 2.26 80 0.8 6" 4"
DMF-4816-3A 3 150 270 3.39 80 0.8 8" 4"
DMF-4816-4A 4 200 360 4.52 80 0.8 8" 4"
DMF-4816-3A 5 250 450 5.65 80 0.8 10" 4"
DMF-4816-6A 6 300 540 6.78 80 0.8 10" 4"

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