pre-pack well screen ( with gravel Pre-packed well screen )consists of one screen telescoped inside another, with an annulus filled with filter pack at the factory before shipment.
The pre-packed screen is designed especially for high capicity wells, these screens offer unique advantages over conventional rod based screens with respect to strength. it features include: collapse strength equal to pipe; double the tensile strength of standard rod based screen;
a bioresistant, hydraulically superior (to silica sand) pack; a greater percentage of open area(for deep applications) than that of a conventional screen, due to the dual support construction.
TIANZHWIO offers high quality Johnson Screen pipe water well screen,wedge wire water well screen,V wire water well screen,continuous wedge wire screen ,stainless steel water well screen,water filter and other related products.
