Stainless Steel Water Well Screens/Johnson Screens
Stainless steel water well screens/Johnson screens consist of continuous slot triangular profile wire and the longitudinal support rods, fabricated of standard ASTM A 666. Each intersecting point of these wires is fusion welded by computer control system, so johnson screens can sturdy constriction and good mechanical property.
Stainless steel water well screens/Johnson screens:
The V shape section design 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 Johnson screens can filter sand better. Material: stainless steel and carbon steel Diameter: 1-30 inch Minimum slot: 0.01 mm Wall thickness: 6mm Standard length: 1-5.8 meters Supply capacity: 15000 meters per month
LTC/STC/BTC thread couplings/plain ends or welded rings
Advantages of stainless steel water well screens/Johnson type screens
1. Non-clogging construction The V-shape section plane of Johnson screens creates the continuous slot, which can avoid blockage and make sure of the unimpeded water.
2. Large Filtering Area The consecutive slot of Johnson type screens have wider open area, and it can reduce the speed of the water entering to avoid the sand entering the screen under the great pressure, so it can control sand better, which can increase the water yield and prolong service time of the well.
3.Excellent construction strength
The longitudinal support rods and the continuous slot make the wedge wire screens(Johnson type screens) have more excellent pressure-resistant performance.
Threaded connection type of Johnson screens
The water well screen( triangle johnson screens) with SS304L material and perfect threaded connection.
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