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ARKA
The ARKA F90TD is a 3 inch T-type disc filter engineered for medium to large flow irrigation and water treatment applications. Featuring a T-shaped body configuration with a large filtration area, this unit is designed to handle flow rates up to 50 m³/h while maintaining a maximum working pressure of 10 Bar. The filter body is available in either PP or PA plastic, with a choice of black or transparent housings, and supports multiple connection options including BSP, NPT, VIC, and flange. With six available filtration grades ranging from 40 to 300 mesh, the F90TD can be configured for water sources of varying quality across agricultural, municipal, and industrial applications.
Parameter | Specification |
|---|---|
Place of Origin | Fujian, China |
Type | T-type Disc Filter |
Brand Name | ARKA |
Model Number | F90TD |
Material | PP or PA |
Connections | 3 inch BSP/NPT/VIC/FLANGE |
Filtration Grades | 40/80/120/150/200/300 Mesh |
Weight | 8.3kg |
Color | Black or Transparent |
Max Pressure | 10 Bar |
Max Flow | 50 m³/h |
Size | 750×320×220mm |
The T-type body design provides a significantly larger filtration surface area compared to Y-type or inline filters of equivalent connection size. Water enters through the side inlet and passes radially through the disc stack from the outside inward, with clean water exiting through the bottom outlet. This configuration distributes the flow across the full length and diameter of the disc element, reducing surface loading and extending the time between required cleanings. The overall dimensions of 750×320×220 mm accommodate the extended disc stack while maintaining a footprint suitable for skid-mounted filter assemblies.
At the core of the F90TD is a stacked disc element consisting of multiple grooved plastic discs compressed together by a spring-loaded assembly. When compressed, the grooves on adjacent discs form a three-dimensional matrix of passageways that trap particles larger than the selected grade. The disc stack can be accessed by releasing the clamp band on the filter body, allowing the element to be removed for inspection, cleaning, or grade changes without disconnecting the filter from the pipeline.
The F90TD is available in six filtration grades: 40, 80, 120, 150, 200, and 300 mesh. This range allows specification based on the inlet water quality and the sensitivity of downstream equipment. Coarser grades such as 40 and 80 mesh are used for pre-filtration and water sources with high sediment loads, while finer grades from 150 to 300 mesh provide protection for drip emitters, micro-sprinklers, and precision irrigation components. The transparent housing option allows visual inspection of the disc stack condition and accumulated debris level.
In large-scale agricultural operations including field crops, orchards, and vegetable farms, the F90TD T-type filter serves as a primary or secondary filtration unit for center pivot, drip, and sprinkler irrigation systems. The 50 m³/h flow capacity supports irrigation zones covering several hectares, and the 10 Bar pressure rating accommodates pump-driven systems with varying elevation changes. Multiple units can be installed in parallel to handle higher total flow requirements.
Municipal parks, golf courses, highway landscaping, and urban green belt irrigation systems benefit from the F90TD's combination of high flow capacity and compact T-type design. The filter can be installed in pump houses, valve vaults, and central irrigation equipment rooms. The multiple connection options, including flange and VIC, facilitate integration with existing municipal water infrastructure.
In industrial applications such as process water filtration, cooling tower side-stream filtration, and wastewater reuse systems, the F90TD provides particulate removal to protect heat exchangers, spray nozzles, and membrane systems. The availability of PA plastic construction expands compatibility with water chemistries that may be too aggressive for standard PP materials.
Commercial greenhouses and plant nurseries with large irrigation zones use the F90TD as a main line filter to protect extensive drip and misting systems. The fine mesh options down to 300 mesh provide the level of filtration required for low-flow emitters and fogging nozzles used in propagation and humidity control.
Routine maintenance of the F90TD involves monitoring pressure drop across the filter and cleaning the disc stack when the differential pressure reaches the recommended threshold. Cleaning is performed by opening the filter body via the clamp release, removing the disc stack, and rinsing the discs under flowing water to dislodge trapped sediment. For systems requiring continuous operation, the F90TD can be integrated into automated backwash configurations using complementary ARKA control valves. The filter body should be inspected periodically for signs of wear or damage, with particular attention to seals and clamping hardware.
Filtration grade selection depends on two factors: the quality of your inlet water source and the sensitivity of your downstream equipment. As a general guide, 40-80 mesh is used for pre-filtration and high-sediment water; 120-150 mesh covers most sprinkler and drip irrigation systems; 200-300 mesh is specified for micro-irrigation, misting systems, and applications requiring fine particulate removal.
PP (polypropylene) offers good chemical resistance and is suitable for most standard irrigation water conditions. PA (polyamide / nylon) provides enhanced mechanical strength and may be preferred for systems operating at higher pressures or with specific chemical exposures. Both materials are available in the F90TD model.
Yes, the F90TD T-type disc filter can be integrated into automatic backwash filtration systems when paired with appropriate three-way control valves and a controller. This configuration enables automated cleaning cycles without manual disassembly of the filter unit.
The F90TD supports four connection options: BSP thread, NPT thread, VIC grooved coupling, and flange. This range allows the filter to be matched to the piping standards used in different regions and project types within commercial procurement and industrial applications.
