Bridge slotted well screens have openings slots arranged in rows to reduce the negative effect on the screen’s strength. generally the slots are punched in a felt sheet that is subsequently rolled into a tube by welding, they are widely used in various wells.
nominal specifications (mm)
146
159
219
273
325
377
426
529
inside diameter
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 outside diameter
146
160
162
220
226
274
278
278
325
328
329
377
378
379
426
428
432
529
530
531
Application
The bridge slotted well screens are widely applied in all construction field such as water well drilling, engineering, groundwater, agriculture and municipal water supply.
