Perforated Tube for Filters

Using of the metal support layer, as core of the filter or surface screen, the filter elements will have a good strength and an extended service life.
Popularly, we use round hole and square hole perforated sheet for processing of filter tubes. Custom designs of perforated filter support tubes available.
Perforated metal tube Hole Patterns including: Round; Rectangular hole; Square; Triangle; Diamond; Hexagonal; Cross; Slotted; and other patterns according to your drawings or application requirement.
Features:
Can be readily formed
Can be polished
Easy installation
Uniform opening and uniform strength
Wide range of thickness available
Large selection of hole size pattern and configurations
Superior abrasion resistance
Accuracy of size
Applications: Perforated metal sheets are cut and welded into tubes. Widely used in the core of filter or the surface of the pleated filter elements.
Thickness or Gauge of Stainless steel Perforated Tube:Thickness of the metal sheets do not change during the perforation. Normally thickness is expressed in gauge, please see the picture. However, to avoid possible misunderstanding, we would suggest to express them in inches or millimeters.
Diameter and Length of Stainless steel perforated metal tube 
Diameter:10mm,15mm,20mm,25mm,30mm,35mm,500mm,etc
Length: 50mm,100mm,200mm,500mm,1200mm, or custom
Margins of Stainless steel perforated tube: Margins are the blank (un-perforated) area along the edges of the sheet. Normally the margin on the length are 20mm minimum, and margin along the width can be 0 minimum, or at clients' requests.