4 inch stainless steel drill pipe 2 3/8 fittings bridge slot

4 inch stainless steel drill pipe 2 3/8 fittings 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 well Screen has great mechanical strength and water entering capacity. Meanwhile,
Bridge Slot well Screen use steel punching technology and is rolled in many ways, so they are light, cheap and easily operating.