Stainless Steel 304 OD 6-5/8" Water Wire Screen Filter
Stainless Steel Johnson Wire Screen , Large Open Area Screen Tube
Johnson Wire Screen Pipe Product Description:
Johnson wire screen, also be named Wound screen, Wedge wire screen, Wrap wire screen, Water well screen, Rod based continuous Slot screen, It is welded by V wire and support rod.
There is a fixed value slot between each v wire. The support bar can be a round wire or a triangular wire or a trapezoidal wire.
Johnson Wire Screen Pipe Specification:
| Material | Stainless steel |
| Grade | 304, 304L, 316L, 202, 2205,2507, 904L etc. |
| Wedge wire | 2*3.5mm, 2.2*3.5mm, 3*4.6mm, 3.2*6mm and others |
| Slot Size | 0.3mm, 0.5mm, 0.63mm, 0.75mm, 1.0mm, 1.0mm etc. |
| Support rod | ø3.0mm, ø3.8mm, ø4.0mm, ø4.8mm, ø5.0mm,ø5.5mm etc. |
| Length | up to 6000mm (2.9m and 5.8m in usual to fit container) |
| Type | Screen pipe, tube, cylinder, drum |
| End connection | Welded rings OR male/female threaded |
| Support rod shaped | Round wire |
| Wire shape | Vee shaped |
Johnson Wire Screen Pipe Regular Specifications:
Material: Stainless steel 302, 304, 316, 304L, 316L or low carbon galvanized
Slot: 0.25mm - 100mm (0.3mm, 0.5mm, 0.63mm, 0.75mm, 1.0mm,1.5mm in usual)
Discrepancy: + / - 0.05mm
Specification of the wrap wire:2 * 3.5 mm, 2.2 * 3.5 mm, 3 * 4.6 mm, 3.2 * 6 mm and so on.
Specification of the rod: ø3.0-5.5mm round bar.
Special specification can be made according to your request.
Advantages of Johnson wire screen :
1: Vee-Shaped Slots:
Opening shaped like a "V" that open toward the inside of the well tend to allow the particles that are just barely smaller than the width of the slot pass. In other shapes of openings, these particles would get caught in the screen and clog it.
2: Continuous Slots:
The special design gives continuous slot opening across the periphery and length of screen.
3: Very Large Open Area:
This design gives continuous slot and hence the open area for water to enter is more than 2 times that of conventional slotted pipes of any size and slot opening. This allows more water to enter at much lesser frictional head loss and the efficiency of tube well is improved appreciably.
4: Energy Saving:
Due to reduce frictional head losses and increased discharge, the pump load reduces the power required to pump same quantity of water. Power saving of around 20-25% is observed.
Johnson Wire Screen Parameter selection table :
|
SIZE (INCH) |
O.D (MM) |
SLOT (MM) |
LENGTH (M) |
COLLAPSE STRENGTH (BAR) |
TENSILE WEIGHT (TON) |
WRAP WIRE(WIDTH*HEIGHT) (MM) |
RODS (MM) |
| 3-1/2 | 88.9 | 1.0 | 3 | ＞22 | 10.2 | 2.3*3.5 | 3.8MM/22 |
| 4-1/2 | 114.3 | 1.0 | 3 | ＞28 | 11.5 | 2.3*3.5 | 3.8MM/22 |
| 6-5/8 | 168.3 | 0.75 | 5.8 | ＞40 | 12.8 | 2.3*3.5 | 3.8MM/32 |
| 6-5/8 | 168.3 | 1.0 | 5.8 | ＞33 | 12.8 | 2.3*3.5 | 3.8MM/32 |
| 6-5/8 | 168.3 | 0.63 | 5.8 | ＞83 | 45 | 3.2*6.0 | 6.0MM*32 |
| 8-5/8 | 219.1 | 1.0 | 5.8 | ＞34 | 21.9 | 2.3*3.5 | 3.8MM/48 |
| 8-5/8 | 219.1 | 1.0 | 5.8 | ＞50 | 38.2 | 3.0*5.0 | 4.0MM/48 |
| 8-5/8 | 219.1 | 1.0 | 5.8 | ＞60 | 46 | 3.2*6.0 | 5.0MM/48 |
| 10-3/4 | 273.1 | 0.75 | 5.8 | ＞50 | 32.9 | 2.3*3.5 | 4.9MM/55 |
| 10-3/4 | 273.1 | 1.0 | 5.8 | ＞60 | 39.5 | 3.0*5.0 | 4.9MM/55 |
| 10-3/4 | 273.1 | 1.0 | 5.8 | ＞100 | 48 | 3.2*6.0 | 5.0MM/55 |
| 12-3/4 | 323.9 | 1.0 | 5.8 | ＞120 | 37.2 | 3.0*5.0 | 4.0MM/50 |
| 14 | 355.6 | 1.0 | 3 | ＞80 | 37.8 | 3.0*5.0 | 4.0MM/59 |
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