SPL & DPL Filter Element
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SPL & DPL Filter Elements for High Viscosity Melt Filtration

SPL & DPL filter element is a double cylinder filter element used in high viscosity melt filtration units. It is made of stainless steel sintered felt and stainless steel sintered mesh, which can easily remove hard impurities and coagulation. Among them, SPL & DPL filter elements can be reused and cleaned many times, which is economical and environmentally friendly.

SPL & DPL filter elements are mainly used for oil filtration in filter presses, filtration of oil systems in ships, diesel engines, and other equipment, and filtration of impurities in textile stocks in the chemical fiber industry on the front side of spinning nozzles of various types for the textile use of synthetic and man-made fibers and under other similar conditions. In these application scenarios, SPL & DPL filter elements can effectively filter out impurities and particles in the oil to protect the regular operation of the equipment. For applications in the textile industry, SPL & DPL filter elements also improve the quality of textiles, ensuring that they are produced free of impurities and defects.

A SPL & DPL filter element placed horizontally
  • Size: It can be customized according to the requirements of filtration equipment.
  • Hole size: It determines the range of particle size it filters and is usually specified in microns (μm), such as 10 μm, 50 μm, 100 μm, etc.
  • Material: It can be made of a variety of materials, such as stainless steel, ceramic, etc. The choice of material depends on the temperature, chemical properties, and corrosion resistance requirements of the application.
  • Filtration level: It indicates its filtration efficiency and the size of particles it can remove. Common filtration levels include coarse, medium, and fine filtration.
Specification of SPL & DPL Oil Grease Filter Element
SPL Modes DPL Modes Strainer DN
Rated Flow
Filter Precision
Nominal Pressure
Inner Disc Size
Outer Disc Size
Filter Disc Number
BD-SPL15 - 15 33.4 30
0.8 20 40 2–30
BD-SPL25 BD-DPL25 25 83.4 30 65 2–30
BD-SPL32 - 32 134 30 65 2–30
BD-SPL40 BD-DPL40 40 200 45 90 2–34
BD-SPL50 - 50 334 60 125 -
BD-SPL65 BD-DPL65 65 500 30 65 2–34
BD-SPL80 BD-DPL80 80 834 70 155 2–40
BD-SPL100 - 100 1334 70 155 4–40
BD-SPL125 - 125 2000 90 175 4–40
BD-SPL150 BD-DPL150 150 3000 90 175 6–40
BD-SPL200 BD-DPL200 200 5334 90 175 8–40
  • SPL = Double Cylinder Mesh Filter
  • DPL = Single Cylinder Mesh Filter
  • High temperature resistance
  • Corrosion resistance
  • Wear resistance
  • High strength
  • High precision
Products Display
A man with a filter element in his hand shows us its inner structure

Detail display

Measure SPL & DPL filter element thickness with vernier caliper to be 4.14 mm

Thickness measurement

Measure SPL & DPL filter element edge size to be 3.02 mm

Edge size measurement

Measure SPL & DPL filter element diameter with vernier caliper to be 65.87 mm

Diameter measurement

Filter elements are made of perforated metal and woven mesh

Finished SPL & DPL filter element

Pack SPL & DPL filter elements in plastic bags