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Pre-pack Screen

Pre-pack Screen

Pre-pack screen Introductions of gravel pack screen Gravel pre-packed wedge wire screens consists of a standard screen with a layer of gravel(with resin coating or without coating) placed around it supported by a second screen .The thickness of the gravel layer can be varied to meet special......
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Pre-pack screen 

Introductions of gravel pack screen

Gravel pre-packed wedge wire screens consists of a standard screen with a layer of gravel(with resin coating or without coating) placed around it supported by a second screen .The thickness of the gravel layer can be varied to meet special needs.

 

Characteristics of gravel pack screen

1. High strength performance.

Screens with high open area are more suitable for the construction of high-quality water wells, oil wells and gas wells.

2. Low cost in operation.

3. Reduce the abrasion of the pump            

Under the same condition, high open area can make the speed of groundwater’s entering into the screen much slower than any other filtration apparatus.

4. Long usage time.

Comparatively, groundwater’s entering into screen with higher open area is much easier than the entering into lower open area screen. 

 

Technical parameter

Construction: perforated pipe and gravel and wedge wire screen.

Material: low carbon steel,such as Q235

API standard,J55,K55.N80,and as you require

stainless steel:304,316,304L,316L  duplex 2205

Outer diameter:25-600mm,as you require 

Slot size:0.10, 0.15, 0.20, 0.25, 0.30-3, and custom sizes to meet specifications requirements.

Length: we suggest 1 meters to 2meters.

Usage:is widely used in deep wells or oil well which requires high strength,this kind of screen is the best choice.


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