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Johnson water well screen strainer pipe
 
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- Congeneric Products
Description of Johnson water well screen strainer pipe:
Johnson water well screen strainer pipe is manufactured by forming downward facing louver shaped openings into pipe up to 40 feet long. The process incorporates use of an internal mandrel which perforates the shutter against external blocks. Johnson water well screen strainer pipe is commonly produced from a variety of steel types including carbon, copper-bearing, high-strength low-alloy, and stainless. This type of screen is particularly suited for use in large diameter, deep, gravel envelope wells. In many parts of the world, wells of this type pump ground water from thick formations consisting of sands and gravels. Johnson water well screen strainer pipe is the product of choice for these wells because it is hydraulically efficient, strong and durable. The smooth, unobstructed interior of shutter screen allows the efficient use of highly effective development techniques such as swabbing and also facilitates employment of efficient maintenance and repair methods.
Advantages of Johnson water well screen strainer pipes
1. A continuous slot opening which significantly increases the available open area, thus providing a greater access to the water bearing zone.
2. A 'V' shaped wedge wire which avoids clogging and ensures uninterrupted flow.
3. A uniform and efficient well development due to the continuous slot opening.
4. Offering great strength. precision, long service life.
Features of Johnson water well screen strainer pipes
1. V-Shaped Slots: Openings 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. Better Sand Filtration: Due to specialize manufacturing process, wide range of slot opening is available down to 0.15mm to allow proper slot selection depending upon the size of sand in particular area. This gives better sand control and reduced pump maintenance and longer tube well life.
5. 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.
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