Johnson wedge vee wire screen water well screen pipe
Category: | Wedge Wire Pipe&Cylinder |
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Material: | stainless steel 304,304L,304HC,316,316L,321,430 or as per your request. |
Properties: | wedge wire screen pipe |
Application: | water-treatment , water well drilling ,oil well drilling ,mineral processing, coal-cleaning plant,refining & petrochemical |
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Details of Johnson wedge vee wire screen water well screen pipe
Johnson wedge vee wire screen water well screen pipes are welded structures with the support profiles being rods in the axial direction of the tube and surface profiles spirally wound around the support profiles.
Johnson wedge vee wire screen water well screen pipes are manufactured directly on a machine. They have the unique advantage of very accurate, narrow slot openings and perfect roundness all in one. Slot tubes can be provided with the necessary end pieces for attachments and/or reinforcements.
Characteristics of Johnson wedge vee wire screen water well screen pipe
The welded stainless steel water well screen is made up of rods and warp.
The rod can be round wire, triangular wire or trapezoid wire.
The warp is triangular wire (V-shaped wire).
Water well screens have a structure and high open area, as well as accurate slot dimension.
At the same time, water well screen have heat-resisting, anti-corrosive, good machine capability, last long, safety and reliability and so on characteristics. It can be used in many kinds of medium filtering.
Advantage of Johnson wedge vee wire screen water well screen pipe
1 A continuous slot opening which significantly increases the available open area, thus providing greater access to the water bearing zone.
2 A "V"shaped profile wire which avoids clogging and ensures an uninterrupted flow.
3 A uniform and efficient well development due to the continuous slot opening.
4 Ladder-like wire welded screens have a strong structure and high open area, as well as accurate slot dimension.
5 Ladder-like wire welded screens have the features of easy backwashing, last long, safety and reliability as well as low comprehensive cost.
Specifications of Johnson wedge vee wire screen water well screen pipe:
Surface Profiles | Support Profiles | Min. diam. in mm | Min. slot width in mm |
10S | Q25 | 21 | 0.10 |
11S | Q20 or Q25 | 23 | 0.030 |
12S | 22S | 30 | 0.050 |
12S | Q25 | 23 | 0.030 |
12S | Q35 | 30 | 0.050 |
18S | 22S or Q35 | 30 | 0.050 |
18S | Q25 | 25 | 0.030 |
18S | D45 | 300 | 0.20 |
18S | 10x3 | 300 | 0.20 |
22S | 22S or Q35 | 45 | 0.10 |
22S | D45 or 10x3 or 25x3 | 300 | 0.20 |
28S | Q35 | 215 | 0.20 |
28S | D45 or 10x3 or 25x3 | 300 | 0.20 |
34S | Q35 | 300 | 0.20 |
34S | D45 | 300 | 0.20 |
34S | 10x3 or 25x3 | 300 | 0.20 |
42S | Q35 or D45 | 300 | 0.20 |
42S | 10x3 or 25x3 | 300 | 0.20 |
Diameters
Outside diameter in mm | Number of support profiles |
30 | 8 |
45 | 10 |
57 | 12 |
70 | 18 |
85 | 18 |
97 | 20 |
110 | 24 |
137 | 30 |
164 | 36 |
215 | 48 |
268 | 48 |
305 | 40 |
380 | 48 |
460 | 60 |
510 | 64 |
625 | 80 |
914 | 180 |
Standard tolerances (tighter tolerances are possible on request through the use of special techniques)
Slot Size: |
± 0.030 mm (max. ± 0.030) ± 0.1 mm (max. ± 0.2) |
for O.D. ≤ 300 mm for O.D. > 300 mm |
Diameter |
± 0.3 mm ± 0.5 mm ± 2.5 mm |
Ø < 164 mm 164 < Ø < 300 mm Ø > 300 mm |
Length |
± 2 mm ± 4 mm |
Ø ≤ 300 mm Ø > 300 mm |
The Packaging and Transportation of the Johnson wedge vee wire screen water well screen pipe: