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.
