Bridge Slot Screens for deep well

Bridge Slot Screens for deep well
Bridge slot screen.The slots of this kind of screen  are punched precisely in a flat sheet which then is rolled into a pipe.
The sand and gravel can't easily block the slot because of the special bridge style design, and Bridge Slot Screens has great mechanical strength and water entering capacity. Meanwhile, Bridge Slotted Screens use steel punching technology and is rolled in many ways, so they are light, cheap and easily operating.

Selection of slot size

Aquifer classification	gravel	Grouan	middle sand	thin sand	farine sand
The screening results (mm)	1-2.5	0.5-1	0.25-0.5	0.1-0.25	0.1-0.25
Span the gap (mm)	3	1.5-2	1	1	0.75
Packing specification (mm)	4-20	2-8	2-3	2-3	2-3
Gravel thickness (mm)	75-100	100	100-200	100-200	100-200

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