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Spiral Welded Perforated Tube

   We have rich experience in perforated tubes manufacture and we know perforated tubes from materials, processing, welding, special treatment to its applications.

Aka: Spiral Perforated Tube/Pipe, Center Tube for Filter Element

Material: Ss304/304L/316/316L stainless steel, Mild steel, Aluminum, Copper, Monel, Hastelloy, Inconel, Titanium, etc.

Hole Diameter: Various to meet different requirements for tubing strength and filtration

Tube Diameter: 1/4’’-12’’ (6.35 ～ 304.8mm)

Wall Thickness: 0.5～2.5mm (special sizes can be customized )

Length: Customized

Finish:

Precise rolling: Hold tight tolerances or improve appearance and against high External pressure; Plating: Prevent from corrosion for mild steel/carbon steel

Oiling, Degrease, Grit Blast, Acid pickling and passivation treatment

Electro polish to the stainless steel tubes

Coated by PVC, Epoxy and many others according to the requirements.

Feature: Precise rolling, high resistance to external pressure. Can be used as filter frame, big bearing, high roundness, precise filtering capacity.

Uses:

(1) Protective sleeve for sand control screens     

(2) Support core for strainers

(3) Purolator suction strainers        

(4) Acoustical dampening

(5) Perforated tubes for oil well                          

(6) Exhaust tubes, Muffler tube

(7) Filtration / Separation Tubes (e.g center tube for air, oil, fuel, gas filters)        

(8) Decorative items

(9) Gas / Liquid / Vapor/ Light Diffusion                    

(10)Structural Members

(11) EMI shielding

(12) Safety guards

(13) Grills or trim

Note: sample and special specifications are available on your request!