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Stainless steel johnson screen, 1.ISO 9001:2008, 2. a manufacturer established in 1996, 3. produce 8000 m / month - details see: https://www.machineto.com/stainless-steel-johnson-screen-used-for-well-drilling-water-well-screen-10218320

Stainless Steel Johnson Screen used for well drilling

Stainless steel Johnson screen

1.the johnson screen info

The Johnson Screen consist of V-shape profile wire and the longitudinal support rods. each intersecting point of these wires is fusion welded. So Johnson screen pipe has sturdy constriction and good mechanical property. The V-shape section plane can avoid blockage, and make sure of the unimpeded water. The continuous slot have more open area, and it can reduce the speed of the water entering to avoid the sand entering the screen under the great pressure, so water well screen pipe can filter sand better. Meanwhile ,the slot size can be changed according to the real condition of the earth.

2.material of this johnson screen

The johnson screen can be produced with SS 304 ,304L,316,316L or cerbon steel

3. some detail ----wire , slot ,support of this Johnson Screen

The continuous slot wire-wrap screen ,Johnson water well screen, wedge wire screen ,stainless steel water well screen , we offer high quality products with competitive price.

Wire and Rod Information of johnson screen

A wide range of wire and rod shapes make it possible to achieve the optimum balance of strength, open area, abrasion resistance and dewatering/separation efficiency.

Johnson Screens Round and Strip Support Rods

Johnson Screens round rods are available in diameters ranging from 0.125 In. (3.175 mm) to 0.500 in. (12.7 mm). Strip rods are available in widths from 0.070 in. (1.778 mm) to 0.188 in. (4.775 mm) and heights ranging from 0.375 in. (9.525 mm) to 2.0 in. (50.8 mm).

Open area calculations

To calculate the open area of a certain screen, use the simple formula provided

Open Area (%) = Slot Size * 100

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Slot size + Wire width

Johnson Screen Vee-Wire Profiles

Johnson Screen Vee-Wire Profile wires range in widths from 0.020 inch (0.508mm) yo 0.195 inch (4.953mm) and hights ranging from 0.040 inch (1.016mm) to 0.363 inch(9.220mm) , Other wire shapes also available:

Common Johnson Screen Shaped Support Rods

Johnson Screens shaped support rods range in width from 0.029inch (0.737mm) to 0.151 inch (3.835mm) and the height ranging from 0.102inch(2.591mm) to 0.120 inch (3.048mm).

4. the main technical data for reference , we can produce as your requirements

Wedge wire	Width(mm): 1.50 1.80 2.30 3.00 3.30 3.70 Height(mm): 2.20 2.50 2.70 3.60 4.30 4.70 5.60 6.30 7.00
Support rod	Width(mm): 2.30 3.00 3.30 3.70 Height(mm): 2.70 3.60 4.70 5.60 6.30 Round: From 2.50mm to 6.0mm
Slot size	0.10, 0.15, 0.20, 0.25, 0.30…… 6.00mm also achieved upon request.
Material	galvanized low carton (LCG), stainless steel (304,316 etc.)
Length	up to 6m
Diameter	from 25mm to 1200mm.
End connection	Plain beveled ends, flanged or threaded couplings
Certification	ISO

5.some pictures of this johnson screen as followings

6.About us ---huadong screen co.,ltd