Stainless Steel 304 Bridge Slot Screen Tube for Well Drilling Filter Tube

• Material: Metal
• Layers: Single
• Usage: Liquid Filter
• Type: Filter Cylinder
• Hole Shape: Round
• Structure: Single Network
• Model NO.: GX33
• Transport Package: No Case
• Specification: 219*6000mm
• Trademark: GUANGXING
• Origin: Hebei, Hengshui, China
• HS Code: 8421999090
• Production Capacity: 100000

Product Description

stainless steel  304 bridge slot screen tube for well drilling filter tube 

Bridge slot screen have bridge opening arranged in rows and are staggered to reduce the negative effect on the screen's strength. Typically the slots are punched in a flat sheet that is subsequently rolled into a tube and welded. The sand and gravel can't easily block the slot because of the special bridge style design. This kind of slot screen has great mechanical strength and water entering capacity. Meanwhile, bridge slot screens are light, cheap and easily operating. Regarded as the best choice of well tube filter, they are widely applied in a variety of fields in the developed countries.

The main specification

Nominal diameter (mm)	146	159		219		273			325			377			426			529
ID	130	140	138	200	198	254	250	246	305	300	297	357	350	346	406	400	398	502	500	498
Wall thickness	5	5	6	5	6	5	6	8	5	6	8	5	6	8	5	6	8	6	7	8
Coupling outside diameter	146	160	162	220	226	274	278	278	325	328	329	377	378	379	426	428	432	529	530	531

Selection of slot size

Aquifer classification	gravel	Rough sand	Medium sand	Fine sand	Mealy sand
Screening results (mm)	1-2.5	0.5-1	0.25-0.5	0.1-0.25	0.1-0.25
Bridge slots (mm)	3	1.5-2	1	1	0.75
Filling gravel spec (mm)	4-20	2-8	2-3	2-3	2-3
Filling gravel thickness (mm)	75-100	100	100-200	100-200	100-200

Mechanical property

Nominal diameter (mm)	159		219		273			325			377			426			529
Wall thickness	5	6	5	6	5	6	8	5	6	8	5	6	8	5	6	8	6	7	8
Tensile strength (KN)	230	270	320	390	400	490	653	480	570	760	560	670	893	630	760	1048	782	944	1296
Critical Collapse Strength (N/cm2)	520	690	340	450	170	230	306	136	203	270	128	183	244	92	135	203	90	136	186

Slot sizes and open area

Wall thickness	5					6					8
slot	0.75	1	1.5	2	2.5	0.75	1	1.5	2	2.5	0.75	1	1.5	2	2.5
Bridge lateral spacing	12.75					15					16
Bridge longitudinal spacing	45.50					52					62
Porosity	15.5%	17%	21%	24%	26.5%	14.5%	15.7%	18.9%	22.2%	25.7%	13.5%	14.5%	17.9%	21.2%	24.1%

Customer 

Company information  
Company Information
Hengshui Guangxing Screens Co.,Ltd is a leading manufacturer of water well screen, flat panel screens, intake screens, rotary drums, cartridges and fabricated stainless wedge wire screen products. 

Our factory founded in 1986 to produce the best possible profile wire screens available. 

 

We provide screening solutions to almost every industry, including:

Water Well,

Food &Beverage Screens,

Pharmaceutical & Biological industries, 

Refining & Petrochemical, 

Water Treatment & Liquid / Solids Separation, 

Mineral & Aggregate Processing, 

Pulp & Paper Screens.  

 

Guangxing Screens is producing wedge wire and profile wire in several materials, with a wide variety of sizes, shapes and precision openings. 

 

For over 30 years, Guangxing Screens has continuously produced metal products for customers seeking a competitive advantage in their industry. Guangxing Screens is an ISO-9001:2008 registered company.

We are committed to producing quality products which meet or exceed both customer and industry standard. The majority of our products are exported to original equipment manufacturers of 35 countries of Europe, America, Africa, and Asia.

 

We know our customers and we listen to them and respond quickly to their needs. 

 

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