Diameter: Material: Slot: End Connection: thickness:
Advantages of Bridge slot well screen
1. Bridge slot well screens have accurate slot tolerances, which makes it the perfect choice of water well screens.
2. The unique construction of bridge slot well screens make the screen have mechanical robustness.
3. The galvanized coating of bridge slotted well screens prolong the service life of water well.
4. Bridge slotted screens are manufactured from precision punched quality sheet metal, which makes the bridge slot well screens light and cheap.
5. Bridge slot screens have versatile end fittings, which makes them easy to install.
Technical data bridge slotted screen
Mechnical Property
(mm)
159
219
273
325
377
426
529
Wall thickness(P)
5
6
8
7
Tension strength(K N)
230
270
320
390
400
490
653
480
570
760
560
670
893
630
1048
782
944
1296
Anti Extrusion(N/cm)
520
690
340
450
170
306
136
203
128
183
244
92
135
90
186
Selection of slot size
Aquifer classification
gravel
Rough sand
Medium sand
Fine sand
Mealy sand
Screening results (mm)
1-2.5
0.5-1
0.25-0.5
0.1-0.25
Bridge slots (mm)
3
1.5-2
1
0.75
Filling gravel spec (mm)
4-20
2-8
2-3
Filling gravel thickness (mm)
75-100
100
100-200
