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Johnson Type Water Well Screen

Fully customized to meet any specific well application. They feature strong assemblies, are resistant to erosion, and cannot be plugged by fines or produced solids.

An exclusive slip-ring design isolates the wire-wrap jacket from mechanical loads applied to the screen assembly; i.e., compression, tension, or torque, while maintaining efficient sand control.

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PRODUCT FEATURES

johnson type water well screen unit arrangements are 32 ft of jacket on 38 ft of base pipe and 16 ft of jacket on 20 ft of base pipe, but any length of handling area for torque tongues can be ordered. The protective shroud can be perforated or louvered and is designed to accommodate a fiber-optic cable.

Wire jacket

The first three digits of these codes designate the width of the wire in thousandths of one inch, and the last three digits designate the height, also

in thousandths of one inch. The wire is available in either stainless steel material or Alloy or carton steel material

For special applications, direct wrap (also known as shrink fit) can be made available with the same metal options as the slip-on wrap. In this case, the longitudinal ribs are mounted to the base pipe, and the jacket is wrapped and welded directly over this assembly, providing a very tight shrink fit. This process eliminates the requirement of welding to the base pipe, while creating a base pipe and jacket arrangement that behaves like

a single part.

Screen Size		Inner Diameter		Outer Diameter		OD of Female Threaded End
in	mm	in	mm	in	mm	in	mm
2	51	2	51	25/8	67	23/4	70
3	76	3	76	35/8	92	33/4	95
4	102	4	102	45/8	117	43/4	121
5	127	5	127	55/8	143	53/4	146
6	152	6	152	65/8	168	7	178
8	203	8	203	85/8	219	91/4	235
10	254	10	254	103/4	273	113/8	289
12	305	12	305	123/4	324	133/8	340
14	356	13 1/8	333	14	356	----	----
16	406	15	381	16	406	----	----
20	508	18 3/4	476	20	508	----	----

Profile Wire
Width (mm)	1.5	1.5	2.3	2.3	1.8	3.0	3.7	3.3
Height(mm)	2.2	2.5	2.7	3.6	4.3	4.7	5.6	6.3

Support Wire

Round Wire ●

Width

(mm)

2.3

3.0

3.7

3.3

Ø2.5mm－Ø5mm

Height

(mm)

2.7

3.6

4.7

5.6

6.3

TAGS: johnson type water well screen