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1.High strength through resistance to twisting, compressive, and tensile forces;, 2.A smooth bore that does not impede passage. - details see: https://www.machineto.com/high-quality-bridge-slotted-water-well-screen-10218660

Bridge slotted water well screen

The slots of this kind of screen are punched precisely in a flat sheet which then is rolled into a pipe. The sand and gravel can't easily block the slot because of the special bridge style design, and Bridge Slot Screens has great mechanical strength and water entering capacity. Meanwhile, Bridge Slot Screens use steel punching technology and is rolled in many ways, so they are light, cheap and easily operating.

Advantages offered by this type of screen are:

• High strength through resistance to twisting, compressive, and tensile forces
• A smooth bore that does not impede the passage of probes, tools, etc.

Technical parameter

Slot Sizes

• Between 0.5 mm / 0.002 in. and 5mm / 0.2 in., depending on the wall thickness

Materials of Construction

• • All types of steel such as carbon steel, galvanized steel, coated steel and stainless steel types 304, 304L, 316, 316L & 430, for example.

  Sizes

  • Diameters from 4 in to 80 in
  • Wall thickness from 3 mm / 0.12 in. to 10mm / 0.4 in.
  • Unit lengths to 1.5 m / 5 ft.

  Diameter (mm)	146	159		219		273			325			377			426				529
  ID	130	140	138	200	198	254	250	246	305	300	297	357	350	346	406	400	398	502		500	498
  Thickness	5	5	6	5	6	5	6	8	5	6	8	5	6	8	5	6	8	6		7	8
  Coupling OD	146	160	162	220	226	274	278	278	325	328	329	377	378	379	426	428	432	529		530	531