www.sand-screen.comExport Departmenthui zhangPhone: 86 - 317 - 66880435/86 - 15610901202Fax: 86 -
Industrial Park, Anping County, Hengshui City, Hebei Province, Chinahengshui, hebeiChina, 053600Web Page Link: http://www.toboc.com/msssandscreencoltdD&B D-U-N-S Number: 1236456789
Perforated liner is manufactured by multi spindle drill presses. It is deburred internally and externally, and every hole is visually inspected to make sure all burrs are cleaned up according to API standards.perforated liner with various hole spaces Perforated CasingPerforated casing is often used as base pipe for wire wrapped screen, pre packed wire wrapped screen & metal mesh screen. Hose sizes, patterns and pitches (hose spacing) can be customized.Hole sizes Standard hole sizes: 9.5mm, 13mm, 14mm, 16mm, 19mm and 25mm. Other hole diameters are available.Hole Pattern Holes can be staggered or in straight line as the following pictures from fig 1 to fig 3. Holes are commonly arranged in spiral shape. Straight line is possible.Pitches Pitches can be 1”, 2”, 3”, 4”, 6” or 12”. 2”, 3” and 6” are recommended.Perforated liner in different pitches and shape Perforated Liner Hole ArrangementHow to work out open area of perforated liner? Open area will influence production and sand filtration. It is determined by hole diameter, the number of holes and the diameter of the liner. The following formula will tell you how to calculate the open area.
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MSS Sand Screen Co., Ltd