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The johnson screen can be made in different height and width to address various strength application, meanwhile, the ***cing of individual slots can be varied during fabrication if geologic conditions require these variations in a screen's construction.
Specification (wedge wire):
Width(mm): 1.50 1.80 2.30 3.00 3.30 3.70
Height(mm): 2.20 2.50 2.70 3.60 4.30 4.70 5.60 6.30 7.00
Specification (support rod):
Width(mm): 2.30 3.00 3.30 3.70
Height(mm): 2.70 3.60 4.70 5.60 6.30
Round: From 2.50mm to 6.0mm
Note: other specifications available as per request
Slot size
0.10, 0.15, 0.20, 0.25, 0.30¡¡ 6.00mm also achieved upon request.
Material:
galvanized low carton (LCG), stainless steel (304,316 etc.)
Length
up to 6 meters.
Diameter
from 25mm to 1200mm.
End connection
Plain beveled ends, flanged or threaded couplings
Application
The continuous-slot well screen is widely used throughout the world for water, oil, and gas wells, and is the dominant screen type used in the water well industry.
The continuous-slot well screen is recommended in the following situations;
Formation comprised of small or fine particles
Water wells where gravel packs will be installed
Thin aquifers, where maximum open area is required
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| Company: |
Beijing Filter Trade Co***ny Limited
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| Contact: |
Ms. Dora kuang |
| Address: |
chaoyang district Beijing |
| Postcode: |
100102 |
| Tel: |
86-10-64733961 |
| Fax: |
86-10-64733591 |
| E-mail: |
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