Johnson Screen Tube also named wedge wire screen tube, wrapped wire tubes, wire wrapped screen pipe, wire wrapped screen pipe,are manufactured by a v or wedge shaped wire around an internal array of longitudinal support rods.Each intersecting point of these wires is fusion welded,so it has sturdy constriction and good mechanical property.The wedge-shape section plane can avoid blockage,and make sure of the unimpeded water.
- Material: Choose from a diverse selection of materials like 304, 304L, 316, 316L, 321, 310S, Duplex steel, Hastelloy, and Titanium alloy, among others. Our regular product range is readily available from stock, ensuring you enjoy competitive pricing and the quickest delivery times.
- Tube diameter: We offer a comprehensive range of tube diameters from 0.5" to 60", with further support for ordering larger pipe diameters to suit your specific needs. Regular sizes are conveniently available in molds and stock for swift access.
- Tube length: Available tube lengths include 0.3 m, 0.6 m, 1 m, 2 m, 3 m, and 6 m, with the flexibility to customize special sizes, delivering tailored solutions for every requirement.
- Slot size: Our slot sizes range from 0.02 mm to 2.5 mm, offering precision and adaptability for your diverse applications.
- Surface profile type: Our state-of-the-art triangle wire surface profile is designed for optimal performance and longevity.
- Support profile: Select from a variety of support profiles including Triangular (V-shaped, wedge), round rod, flat bar, water-drop, and square wire, each crafted to ensure superior structural integrity and efficiency.
- End Types: Our end type options, including welding rings, welding threaded joints, welding flanges, welding clasps, and more, are engineered for seamless integration and robust connectivity.
Table 1: Common Specifications of Plain Wedge Wire Screen Tube
Item Code |
Screen
(O.D.) |
Support Rod
(mm) |
Support Rod No. |
Screen V-Wires
(mm) |
SLT-19 |
19 |
2 × 3 |
8 |
0.75 × 1.5, 1 × 2 |
SLT-25.4 |
25.4 |
2 × 3 |
8 |
0.75 × 1.5, 1 × 2 |
SLT-30 |
30 |
2 × 3 |
8 |
0.75 × 1.5, 1 × 2 |
SLT-32 |
32 |
2 × 3 |
8 |
0.75 × 1.5, 1 × 2 |
SLT-33.5 |
33.5 |
2 × 3 |
8 |
0.75 × 1.5, 1 × 2 |
SLT-33.5 |
36 |
2 × 3 |
10 |
0.75 × 1.5, 1 × 2 |
SLT-40 |
40 |
2 × 3 |
10 |
1 × 2, 1.5 × 2.5 |
SLT-42 |
42 |
2 × 3 |
10 |
1 × 2, 1.5 × 2.5 |
SLT-45 |
45 |
2 × 3 |
10 |
1 × 2, 1.5 × 2.5 |
SLT-48 |
48 |
2 × 3 |
10 |
1 × 2, 1.5 × 2.5 |
SLT-50 |
50 |
2 × 3 |
12 |
1 × 2, 1.5 × 2.5 |
SLT-53 |
53 |
2 × 3 |
12 |
1 × 2, 1.5 × 2.5 |
SLT-53 |
57 |
2 × 3 |
12 |
1 × 2, 1.5 × 2.5 |
SLT-60 |
60 |
2 × 3 |
16 |
1 × 2, 1.5 × 2.5 |
SLT-63 |
63 |
2 × 3 |
18 |
1 × 2, 1.5 × 2.5 |
SLT-68 |
68 |
2 × 3 |
20 |
1 × 2, 1.5 × 2.5 |
SLT-70 |
70 |
2 × 3 |
22 |
1 × 2, 1.5 × 2.5 |
SLT-76 |
76 |
2 × 3 |
16 |
1 × 2, 1.5 × 2.5 |
SLT-80 |
80 |
2 × 3 |
20 |
1 × 2, 1.5 × 2.5 |
SLT-85 |
85 |
2 × 3 |
20 |
1 × 2, 1.5 × 2.5 |
SLT-89 |
89 |
2 × 3 |
20 |
1 × 2, 1.5 × 2.5 |
SLT-95 |
95 |
2 × 3 |
28 |
1 × 2, 1.5 × 2.5 |
SLT-100 |
100 |
2 × 3 |
22 |
1 × 2, 1.5 × 2.5 |
SLT-110 |
110 |
2 × 3 |
22 |
1 × 2, 1.5 × 2.5 |
SLT-114 |
114 |
2 × 3 |
30 |
1 × 2, 1.5 × 2.5 |
SLT-120 |
120 |
2 × 3, 3 × 5 |
26 |
1 × 2, 1.5 × 2.5, 2 × 3 |
SLT-125 |
125 |
2 × 3, 3 × 5 |
34 |
1 × 2, 1.5 × 2.5, 2 × 3 |
SLT-130 |
130 |
2 × 3, 3 × 5 |
38 |
1 × 2, 1.5 × 2.5, 2 × 3 |
SLT-140 |
140 |
2 × 3, 3 × 5 |
24 |
1 × 2, 1.5 × 2.5, 2 × 3 |
SLT-150 |
150 |
2 × 3, 3 × 5 |
44 |
1 × 2, 1.5 × 2.5, 2 × 3 |
SLT-160 |
160 |
2 × 3, 3 × 5 |
46 |
1 × 2, 1.5 × 2.5, 2 × 3 |
SLT-180 |
180 |
2 × 3, 3 × 5 |
50 |
1 × 2, 1.5 × 2.5, 2 × 3, 3 × 5 |
SLT-200 |
200 |
2 × 3, 3 × 5 |
48 |
1 × 2, 1.5 × 2.5, 2 × 3, 3 × 5 |
Detailed Photos
- To assure the highest quality, we meticulously measure each product according to rigorous testing procedures before shipping, guaranteeing that our exports meet your exact customized needs with precision.
- Exceptional Resistance to Jamming
Featuring a distinctive V-shaped wire design, the screen's exterior aperture is crafted to be smaller than its interior counterpart, significantly reducing the likelihood of clogging and ensuring seamless functionality.
- Precision-Engineered Uniform Slot
Utilizing advanced CNC machine tools, we meticulously manage the spacing between wires to maintain an impeccably even gap, lending unparalleled consistency to our product.
- Unmatched Corrosion Resistance
Manufactured from premium grade Stainless Steel 304, our screen offers superior resistance to corrosion, ensuring durability and longevity in challenging environments.
- Enhanced Flow RateDesigned with efficiency in mind, this screen pipe boasts minimal resistance. Compared to a similarly sized plastic filter element, it significantly amplifies the flow area. This allows for a higher flow rate under the same resistance conditions, meaning fewer filter elements are required for the same output.
- Customizable Gap AdjustmentsCatering to diverse user needs and varying filtering equipment and media, our continuously welded screen pipe allows for the precise adjustment of gaps between the stainless steel trapezoidal wires, ensuring optimal performance tailored to each specific application.
Machining Welding Process Overview
Our stringent quality control procedures are designed to deliver a product that consistently adheres to the highest industry standards, ensuring reliability and excellence in every unit.
Our products are at the heart of innovation, playing a crucial role in enhancing efficiency across a variety of sectors including filtration, screening, dehydration, and comprehensive sewage treatment solutions.
- Water Treatment
- Our products are expertly utilized as highly efficient filters and separators, adeptly removing suspended solids and particulate matter from water. They are essential in processes such as drinking water purification, wastewater recycling, and various industrial water treatment systems.
- Serving as a vital filtration medium, our products enhance the efficacy of systems designed for desalination, descaling, and water softening, thereby optimizing the overall treatment process.
- Chemical
- Our filtration components play a pivotal role in the chemical industry. They are integral to the functioning of reactors, distillation towers, and centrifuges, facilitating the efficient separation of liquids and solids.
- In the pharmaceutical and food processing industries, our products ensure exceptional purity through sterile filtration, safeguarding product integrity and quality.
- Mining
- In the mining industry, our products excel in solid-liquid separation and filtration, crucial for extracting valuable concentrates from slurry. They are widely applied in mining beneficiation processes and coal washing operations.
- Our solutions are adept at extracting and filtering slurry from tailings ponds, a key function in mining operations.
- Oil & Gas
- In oil and gas applications, our filters are indispensable for drilling, oil extraction, and pipeline transport, expertly separating oil, water, and impurities to ensure seamless operations.
- Our solutions provide precision filtration within oil and gas processing units, maintaining superior product quality and operational efficiency.
- Power
- Within the power sector, our filters are essential for turbine generators and boilers, efficiently removing suspended solids and impurities from water to enhance system performance.
- In the realm of nuclear power, our filtration systems are applied in cooling water systems, ensuring the safe and reliable operation of these critical infrastructures.

Hebei Slot Filter Technology Co., Ltd. Founded in 2014, Hebei Slot Filter Technology Co., Ltd. stands as a remarkable industry and trade integration company. We boast internationally advanced welding processing equipment, supported by our dedicated and skilled production team.
With a decade of professional expertise in crafting filtration and solid-liquid separation products, we promise to deliver only the finest quality products and services to our clients. Our main offerings include Wedge Wire Screens, Sieve Bend Screens, Centrifugal Screens, Water Intake Screens, Johnson Screen Support Grids, Well Screens, Backwash Filters, Resin Traps, Laterals Water Distributors, and Perforated Metal, among others. We utilize a diverse range of raw materials such as SS304, SS316L, duplex steel, super duplex, Monel 400, and Hastelloy. Our versatile products are perfect for applications involving solids and liquids separation or solids separation, mainly in water treatment, starch processing, sugar mills, pharmaceutical, chemical, petrochemical, and various other industries.
Our factory is equipped with over ten specialized production lines, featuring a multitude of manufacturing processes designed to cater to diverse custom requirements. These include CNC punching, CNC drilling, laser cutting, high-frequency resistance welding, milling, polishing, pickling, and more.
Our unwavering commitment is to maintain stringent quality control, continuously enhance our professional skills, and innovate more products and solutions tailored to meet our customers' unique demands. Our ambition is to excel as a solution-oriented manufacturer, fostering sustainable and long-term win-win relationships.
cooperation with our esteemed customers.
At Hebei Slot Filter Technology Co., Ltd., we pride ourselves on being a leading manufacturer and supplier of wedge wire products. Our immaculate workshop is equipped with state-of-the-art machinery and operated by a team of highly skilled professionals. We maintain an unwavering commitment to excellence, ensuring every product meets our stringent quality standards.
Quality Management

1. Who are we?
We are based in Hebei, China, start from 2014,sell to North America(40.00%),Western Europe(30.00%), South Asia (10.00%),
Africa(10.00%), Mid East(10.00%). There are total about 11-50 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
Johnson Screen,Water Intake Screen,Coanda Intake Screen,Rotary Drum Screen,Resin Trap,Pressure Arc Screen,Water Filter Nozzle.
4. Why should you buy from us not from other suppliers?
1. Support OEM & ODM
2. We can help customers design drawings.
3. We have own professional research and development group.
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken :English, Chinese, Spanish, Japanese ,Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian