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: Crafted from a selection of premium materials including 304, 304L, 316, 316L, 321, 310S, Duplex steel, Hastelloy, and Titanium alloy among others, our Custom Wedge Wire Screen Tubes are designed to meet the highest standards. Regular products are readily available from stock, ensuring competitive prices and the swiftest delivery in the market.
- Tube diameter: Available in a wide range from 0.5" to 60", our tubes offer the flexibility to accommodate larger pipe diameters upon request. Regular sizes are conveniently available, supported by molds and stock for immediate needs.
- Tube length: Choose from our standard lengths of 0.3 m, 0.6 m, 1 m, 2 m, 3 m, and 6 m, or customize to your specific requirements, providing versatility to suit all applications.
- Slot size: Precisely engineered slots ranging from 0.02-2.5 mm ensure optimal performance and efficiency.
- Surface profile type: We offer a robust Triangle wire surface profile for enhanced durability and performance.
- Support profile: Select from diverse support profiles including Triangular (V-shaped, wedge), round rod, flat bar, water-drop, and square wire to meet your unique project needs.
- End Types: Our end types include options such as welding rings, welding threaded joints, welding flange, welding clasp and more, providing secure and reliable connections.
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
- Prior to shipping, we adhere to strict measurement protocols to ensure that our products satisfy customer specifications, guaranteeing that each shipment aligns with the customized needs of our clients.
- Remarkable Blockage Resistance
Thanks to the ingenious V-shaped wire design, the screen's exterior holes are narrower than the interior, making them exceptionally resistant to clogging and ensuring seamless filtration.
- Perfectly Consistent Slot Uniformity
Our precision CNC machine tools meticulously manage the gap width between wires, achieving an unrivaled consistency in slot uniformity for enhanced performance.
- Superior Corrosion Resistance
Crafted from high-grade Stainless Steel 304, this product boasts exceptional resistance to corrosion, ensuring longevity and reliability even in challenging environments.
- Enhanced Flow RateWith its innovative design, this screen pipe offers minimal resistance compared to plastic filter elements of similar size. This design significantly expands the flow area, boosting flow rates under identical resistance levels. Consequently, fewer filter elements are required to achieve the same output, optimizing efficiency.
- Customizable Slot GapFor diverse user needs and varied filtration equipment or media, our screen pipe's stainless steel trapezoidal wires are continuously welded, allowing easy adjustment of the wire gap for tailored performance.
Meticulous Machining Welding Process
We adhere to a stringent quality control regimen during our machining welding process, guaranteeing a dependable product that consistently meets elite industry standards.
Our exceptional products are indispensable in a multitude of industries, seamlessly integrating into filtration, screening, dehydration, and sewage treatment systems, among other equipment.
- Water Treatment
- Our screens are the ideal choice for removing suspended solids and particulate matter from water, making them perfect for drinking water purification, wastewater management, and industrial water treatment solutions.
- Enhancing the efficiency of desalination, descaling, and softening systems, our products serve as a superior filtration medium, optimizing your water treatment processes.
- Chemical
- These filtration components are essential in reactors, distillation towers, and centrifuges, expertly separating liquids and solids to meet industry demands.
- Our products are vital for sterile filtration in pharmaceutical and food processing sectors, ensuring the highest standards of purity and quality.
- Mining
- Utilized for effective solid-liquid separation and filtration, our solutions are key in extracting valuable concentrates from slurry, pivotal for mining beneficiation and coal washing operations.
- Perfectly designed for extracting and filtering slurry from tailings ponds, enhancing the efficiency of your mining operations.
- Oil & Gas
- Our filters are crucial in drilling, oil extraction, and pipeline transport, expertly separating oil, water, and impurities for optimal performance.
- With precision filtration capabilities, our products play a vital role in oil and gas processing units, ensuring superior product quality.
- Power
- Designed to enhance equipment performance, our filters effectively remove suspended solids and impurities from water in turbine generators and boilers.
- In nuclear power plant cooling water systems, our products are essential, supporting safe and reliable operations with unmatched efficiency.

Hebei Slot Filter Technology CO., LTD Established in 2014, Hebei Slot Filter Technology Co., Ltd. stands as an industry and trade integration powerhouse, equipped with state-of-the-art welding processing equipment and an expert production team dedicated to excellence.
Boasting a decade of unrivaled expertise in crafting top-tier filtration and solid-liquid separation products, we guarantee high-quality offerings and exceptional service. Our extensive product line includes: Wedge Wire Screens, Sieve Bend Screens, Centrifugal Screens, Water Intake Screens, Johnson Screen Support Grids, Well Screens, Backwash Filters, Resin Traps, Lateral Water Distributors, Perforated Metals, and more. We cater to diverse raw material needs, including SS304, SS316L, duplex steel, super duplex, Monel 400, and Hastelloy. Our solutions excel in applications such as water treatment, starch processing, sugar mills, pharmaceuticals, chemicals, petrochemicals, and beyond, wherever the separation of solids and liquids or solids and solids is required.
Our state-of-the-art facility boasts over ten specialized production lines, engineered to accommodate a wide array of custom requirements through diverse manufacturing processes. These include CNC punching, CNC drilling, laser cutting, high-frequency resistance welding, milling, polishing, pickling, and more.
Our unwavering commitment is to rigorously uphold product quality, advance professional expertise, and innovate new products and solutions to meet the unique demands of our clientele. We aspire to be a manufacturer that delivers tailored solutions, fostering enduring win-win relationships with our customers.
cooperation with our customers.
At Hebei Slot Filter Technology Co., Ltd., we take immense pride in being a distinguished manufacturer and supplier of premier wedge wire products. Our meticulously organized workshop is equipped with state-of-the-art machinery and operated by a team of highly skilled professionals. We uphold a rigorous quality control system to ensure that every product meets the highest standards of excellence.
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