triangle wire Johnson slotted pipe is made up of rods and warp.
The rod can be round is triangular wire or trapezoid wire.The warp is triangular wire (V-shaped wire).
Water wells, when using bridge slot screens , can easily adjust themselves to aquifer and are regarded as a profitable mode of obtaining water.
------reducing the water velocity(V1>V2)
------reduction of pressure fall
------Reduction of the head loss(R1>R2)
------higher flow rate(HMT1>HMT2)
------no sand in water
------prolonging the life span pumps
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