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Cutaway of a sand blocker well screen

SAND BLOCKER SCREENS
HIGHER FLOW OF WATER
WITH LESS SAND PENETRATION

Design stops more sand because the screen has an inner and an outer screen with stainless steel wool filter media in between to trap any sand particles from getting into the inner area.

Sand Blocker drive point screen and screen extensions are constructed of 2 layers of stainless steel with 3/16" perforations and stainless steel wool between the layers for filtration. Drive points are male iron pipe thread, by stainless steel point. Drive extensions are male iron pipe thread by female iron pipe thread.

Features:     Large inflow area of 32% provides twice the flow of wire wrapped screens.....One size fits all comparable slot size .003" and larger.....Rugged design.....Strongest stainless steel screen in market today.....Resistant to plugging and corrosion.....Pore size distribution replicates sand size distribution.....Gravel pack is not required, saving time and money.....All stainless steel construction including the point head itself.....Sand Blocker screen is competitively priced. Use for driving in sand only.

STAINLESS STEEL SAND BLOCKER DRIVE POINTS

Download Sand Blocker Drive Point Well Screens in pdf format

Sand Blocker drive point screen

Drive Point Size Price Each Screen O.D. Screen Length
2" Stocked $ 418.00 2.50" 48"

The Sand Blocker Stainless Steel Drive Point is male iron pipe thread by stainless steel point. This makes it ideal for connecting to your string of drive pipe.

 


TYPE 304 STAINLESS STEEL ROD BASED CONTINUOUS SLOT WIRE WRAP
WELL SCREENS & DRIVE POINTS

Johnson is the leading manufacturer of wire wrap well screens. Vertical stainless steel support rods are wrapped with v-wire
( wedge tapered ) stainless steel welded wire that produces a continuous slot opening around the entire surface area of the screen. Here in Denver, we stock this screen in a 10 slot ( ie  10/1000 inch opening ) construction. This screen yields approximately 13.3 square inches of open area per linear foot of screen. These screens and drive points are made entirely of Type 304 stainless steel ( even including the drive point head itself ) to produce an extremely corrosion resistant product.

The Screens are threaded with standard iron pipe thread MIPT x MIPT. Using both 3' screens and 5' screens along with our 2" stainless steel pipe couplings, you can come up with an almost unlimited choice of screen setting lengths. In addition, our threaded flush joint change-over will allow you to transition into ASTM F-480 threaded flush joint PVC plastic solid riser pipe for monitoring applications.

The v-wire or wedge wire tapered opening becomes progressively wider toward the interior of the well screen. This produces a non plugging opening ( unlike mesh construction ) that has only two contact points to retain sand particles, thus increasing efficiency and lowering entrance velocity.

Type 304 Stainless Steel Rod Based Continuous Slot Wire Wrap Well Screen and Drive Points
Download product page 37a in PDF


$ 237.00

2" x  36"  Johnson All Stainless Steel Screen / Extension  10 Slot ( 10/1000" ) MIPT x MIPT threaded ends in Type 304 stainless steel.
Stainless Steel wire wrapped screen.

$ 325.00

2" x  60"  Johnson All Stainless Steel Screen / Extension  10 Slot ( 10/1000" ) MIPT x MIPT threaded ends in Type 304 stainless steel.

$ 325.00

2" x  36"  Johnson All Stainless Steel Complete Drive Point  10 Slot  MIPT thread x Type #304 stainless steel drive point suitable for driven wells.

$   19.95

2" Stainless Steel Pipe Coupling FIPT x FIPT

$   19.00

2" PVC Threaded Flush Joint Change-Over  2" MIPT x  2" Female Flush Joint Thread in Schedule 40 PVC Plastic.

ENVIRONMENTAL MONITORING PRODUCTS

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Prices effective September 15, 2012