Diameter:
Material:
Slot:
End Connection:
thickness:
Henan Tianzhiwo Machinery Co,. Ltd are specialist manufacturers about Screens and Filters .
They are widely used for water, oil and gas wells in the world. As China chief manufacturer and exporter, we
export good quality water well screen to many countries. Main products cover bridge slot screen,
wire wrapped well screen, stainless steel Johnson screen, water well screen, wedge wire screen,
sieve bend screen, Johnson tube and sand control screen. In addition, we also offer perforated
pipes and base pipes for well screen and Johnson screen.
Welcome you come to Tianzhiwo Factory!
|
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 |
0.1-0.25 |
|
Bridge slots (mm) |
3 |
1.5-2 |
1 |
1 |
0.75 |
|
Filling gravel spec (mm) |
4-20 |
2-8 |
2-3 |
2-3 |
2-3 |
|
Filling gravel thickness (mm) |
75-100 |
100 |
100-200 |
100-200 |
100-200
|
