Stainless steel 304 and galvanized carbon steel Johnson screen filter
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Johnson screen filter offers many advantages including: A continuous slot opening which significantly increases the available open area, thus providing greater access to the water bearing zone (the aquifer)
Stainless steel and galvanized carbon steel Johnson screen filter
Johnson screen filter also called Johnson screen,continuous slot screen or wedge wire screen.
It is manufactured using our unique computerized machinery, developed in-house, and in which a continuous length of profile wire of a triangular section is fusion welded onto support rods.
This 'V' shaped profile wire is wound around the support rods over the full length of the screen thus creating a continuous slot opening.
Johnson screen filter offers many advantages including:
A continuous slot opening which significantly increases the available open area, thus providing greater access to the water bearing zone (the aquifer)
A "V" shaped profile wire which avoids clogging and ensures an uninterrupted flow.
A uniform and efficient well development due to the continuous slot opening.
Specification (wedge wire): | Width(mm): 1.50 1.80 2.30 3.00 3.30 3.70 |
Specification (support rod): | Width(mm): 2.30 3.00 3.30 3.70 |
Slot size | 0.10, 0.15, 0.20, 0.25, 0.30…… 6.00mm also achieved upon request. |
Material: | low carbon galvanized, stainless steel (304,304L,316,316L etc.) |
Length | up to 6 meters. |
Diameter | from 30mm to 600mm. |
End connection | Plain beveled ends, flanged and threaded couplings |
Note: other specifications available as per request | |
Manufacturing process:
Note: The technical specification of wire wrap water well screen can be changed according to customers' requirements.
Johnson screen filter's package:
Each screen filter is packaged with bubble bag and then in wooden case(fumigation certificate).
Each case is clearly marked with:
Name & identification mark of manufacturer-OASIS
Batch number
Date of manufacture
Material
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