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Tianshan johnson screen sieve tube are manufactured by a "V" or wedge shaped wire around an internal array of longitudinal support rods. Each intersecting point of these wires is fusion welded. The "V" or wedge shaped profile wire wraps around support rods over the full length of the screen creating a continuous slot opening, hence the screen allows water (oil) to enter your well freely in ample quantities, while at the same time keeps the majority of sand and gravel out of the well.
johnson screen sieve tube are designed up to you.
Maximum flow capacity
Minimum pressure drop
Lowest possible cost
Maximum life for your well
Minimum pressure drop
Lowest possible cost
Maximum life for your well
Material: Low carton wire, low carton galvanized steel wire (LCG), steel wire treated with plastic spraying, stainless steel wire
Advantages:
Continuous slot: opening significantly increases the available open area. Providing greater access to the water-bearing zone.
Non clogging: "V" shaped or wedge shapped profile wire, avoids clogging, is self-cleaning and ensures an uninterrupted flow. Sand grains make only two point contact and don't wedge in the screen's inwardly enlarging slot.
Large Open Area: This allows more water to enter at much lesser frictional head loss and the efficiency of well is improved appreciably.
Specification (Profile wire):
Width(mm): 1.50 1.50 2.30 2.30 1.80 3.00 3.70 3.30
Height(mm): 2.20 2.50 2.70 3.60 4.30 4.70 5.60 6.30
Specification (support rods):
Width(mm): 2.30 2.30 3.00 3.70 3.30
Height(mm): 2.70 3.60 4.70 5.60 6.30
Round: From 2.50mm to 5.0mm
Width(mm): 2.30 2.30 3.00 3.70 3.30
Height(mm): 2.70 3.60 4.70 5.60 6.30
Round: From 2.50mm to 5.0mm
Note: other wires and rods available upon request
Slot size: 0.10, 0.15, 0.20, 0.25, 0.30,....., 3.00 also accept request.
Open area up to 60%.
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