Crafted from premium 304, 316, and 316L stainless steel, our screen solutions are expertly designed for Johnson wells, offering unparalleled durability and exceptional performance. Screen Discover the excellence of our Pipe Johnson Tube, featuring a Wedge Wire Screen Filter that promises efficiency and reliability.
The Johnson Screen Tube, also known as the wedge wire screen tube, wrapped wire tubes, or wire wrapped screen pipe, is precision-engineered for superior performance. Manufactured with a V or wedge-shaped wire spirally wound around a robust internal array of longitudinal support rods, each junction point is fusion welded for unmatched durability and outstanding mechanical integrity. This innovative wedge-shaped section ensures optimal flow by preventing blockages and guaranteeing the unimpeded passage of water.
Our slot tubes are available with a variety of essential endpieces, tailored for secure attachments and enhanced reinforcements.
We proudly offer wedge wire slot tubes in a wide array of specifications, including custom-crafted end fittings designed to perfectly match your unique application needs.
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Material: Forged from premium stainless steel, our product encompasses grades such as SS304, SS316, SS316L, SS321, S32205, S32750, as well as Hastelloy and other distinguished metal alloy wires, ensuring unmatched durability and performance.
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Tube diameter: Spanning from 1 inch to a robust 48 inches, offering a range that caters to versatile industrial needs.
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Surface Profile: Available in multiple profiles including 10-SLT, 12-SLT, 18-SLT, or customize to your specific size for optimal performance.
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Support rods : Choose from SLT-22, SLT-25, SLT-35, or tailor to your precise specifications for enhanced support and stability.
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Slot size: Ranging from a fine 20 micron to a substantial 3000 micron, with a Tolerance precision of ±5 micron, tailored to your filtration needs.
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Filtering Direction: Engineered for flexibility, capable of filtering from outside to inside and vice versa, adapting to your unique operational requirements.
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End connections: Versatile options include welded end rings with plain beveled ends for seamless butt welding, threaded male and female spiral coupling, or flanged ends for secure connections.
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Packing: Ensuring safe transit in sturdy wooden cases, each lined with protective waterproof material to maintain product integrity.
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Note: We offer custom specifications upon request, crafted to perfectly meet your unique demands and applications.
Tailoring all the types: Wedge Wire Tube /Pressure Arc Screen, ideal for Starch processing.Expertly designed Sieving Bending Wedge Wire Screen for efficient separation.Robust Wedge Wire Screen Cylinders for diverse applications.
Durable Wedge Wire Filter Nozzles and Grates for superior filtration/Specialized Resin Traps and Wedge Wire Lateral Assemblies for precise filtering.Comprehensive Intake Screens for extensive use.Screw Presses Screen for optimized solid-liquid separation.Pressure Screen Drum for high-efficiency filtration processes.Innovative Rotary Drum Screen for dynamic operations.Versatile Wedge Wire Filter Elements adaptable to various needs.Specialized Oil, Gas, and Water Well Screens, with customization available for any specific requirement.
Customize screen sizes precisely to match customer needs, ensuring perfect fit and function.Additionally, the trough size is fully adjustable, allowing for modification to suit actual on-site conditions, ensuring optimal operation.
Common Specifications of Plain Wedge Wire Screen Tube |
Item Code |
Screen |
Support Rod |
Support Rod No. |
Screen V-Wires |
(O.D.) |
(mm) |
(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 |
- Customization support. Select the ideal wedge wire screen tube tailored to your specific application scenario and desired filtration accuracy, ensuring optimal performance.
- Precise filtration performance. Leveraging cutting-edge technology, our state-of-the-art equipment guarantees exceptionally precise slot sizes and superior roundness of the screen tube.
- Various types. Discover a wide range of wedge wire screen tubes available in diverse edge types and diameters to suit your specific needs.
- Versatile. Wedge wire screens are a versatile solution, perfectly suited for a multitude of industries, including water treatment, oil and gas, food and beverage, mining, and beyond, offering unmatched flexibility.
- Quality assurance. Our products undergo meticulous surface pickling and passivation treatment, ensuring finished products of the highest quality and durability.
Detailed Photos
Facing diverse customized product demands, we provide comprehensive final production confirmation drawings tailored to the specific requirements of our customers. Throughout the customized design process, we maintain close communication with our clients, guaranteeing that the final drawings align perfectly with their needs and expectations.
- General Industry
- Sieve bends: Ensuring precise separation and continuous liquid flow, our sieve bends are engineered for efficiency.
- Cylindrical screens: Designed for optimal performance, these screens are integral to a variety of filtration processes.
- Centrifugal baskets: Experience unparalleled separation with our robust centrifugal baskets, crafted for high-performance operations.
- DEM screens: Delivering exceptional durability and screening efficiency, our DEM screens are built to endure.
- Pressure screens: Achieve superior pulp screening with our advanced pressure screens, designed for consistency and reliability.
- Mineral & Aggregate Processing
- Vee wire centrifuge baskets: Precision-engineered for optimal separation, these baskets are the backbone of efficient centrifugation.
- P/U modular screening systems: Versatile and reliable, our modular systems offer customizable solutions for various screening needs.
- P/U and wire combination screens: Combining strength and flexibility, these screens ensure effective filtration across applications.
- Rubber screening system: Engineered for robustness, our rubber screening systems provide resilient and long-lasting performance.
- Woven wire and perforated plate screens: For unmatched precision and adaptability, our woven screens are your go-to solution.
- Petrochemical & Refining
- Center pipes: Central to efficient systems, our center pipes are crafted for superior fluid dynamics in industrial applications.
- Outer baskets: Built for durability, our outer baskets ensure seamless integration into refining processes.
- Distributor trays: Enhance process efficiency with our meticulously designed distributor trays, tailored for optimal distribution.
- Nozzle systems: Experience precision and control with our advanced nozzle systems, crucial for refining operations.
- Scale traps: Protect your systems with our high-efficiency scale traps, engineered to capture and contain impurities.
- Pulp & Paper
- Screen baskets: Our screen baskets are vital to pulp processing, delivering reliability and performance in every cycle.
- Extraction plates: Gain superior extraction capabilities with our expertly crafted plates, designed for maximum efficiency.
- Filtrate cleaning: Ensure purity with our state-of-the-art filtrate cleaning systems, engineered for excellence.
- Fiber recovery: Maximize yield with our advanced fiber recovery systems, designed to optimize resource efficiency.
- Refurbishing services: Restore and enhance your equipment's performance with our expert refurbishing services.
- Water Process
- Head works: Essential for water treatment, our headworks systems are designed to excel in performance and reliability.
- Dissolved air flotation (DAF): Efficiently remove impurities with our advanced DAF systems, crafted for superior water clarity.
- Intake screens: Safeguard your systems with our high-performance intake screens, crucial for protecting downstream processes.
- UItra-filtration: Achieve unmatched water purity with our ultra-filtration technology, setting new standards in filtration.
- Triton underdrains: Our Triton underdrains are engineered for optimal water distribution, ensuring uniform filtration.
- Water Well
- Well screens (stainless steel & PVC): Designed for longevity, our well screens offer unparalleled protection and performance.
- Riser pipes: Integral to well systems, our riser pipes ensure reliable performance and efficient water transport.
- Sand spears: Secure and efficient, our sand spears provide essential protection and support for water extraction.
- Environmental monitoring screens: Critical for accurate monitoring, our screens are designed for precision and reliability.
- Nu-well rehabilitation chemicals: Revitalize and restore well performance with our advanced Nu-well rehabilitation solutions.
1. Plastic Film Packaging: Ensure your product's safety with our reliable plastic film packaging, which provides an excellent protective layer during transit.
2. Tie Packaging: Secure your goods with our tie packaging, offering robust support and stability, perfect for preventing movement and damage.
3. Wooden Box: For ultimate protection, choose our wooden box packaging. This option offers superior strength and is ideal for fragile or heavy items.
4. Bubble Wrap: Enhance cushioning and protection with our bubble wrap packaging, designed to shield your products from shocks and impacts.
5. Customized Packaging: Tailor the packaging to suit your specific needs with our bespoke options, ensuring your product is perfectly protected and presented.

Hebei Slot Filter Technology CO.,LTD Established in 2014, Hebei Slot Filter Technology Co., Ltd. stands as a beacon of excellence in the realm of industry and trade integration. Equipped with state-of-the-art international welding processing equipment and a highly skilled production team, our firm is a trailblazer in innovation and efficiency.
With a decade of expertise in the production of filtration and solid-liquid separation products, we are committed to delivering superior quality products and exceptional services. 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, Laterals Water distributors, and Perforated metals, among others. We offer a diverse range of raw materials including SS304, SS316L, duplex steel, super duplex, Monel 400, and Hastelloy. Our versatile products are designed for various applications where solids and liquids must be separated, as well as solid-solid separation, primarily serving industries such as water treatment, starch processing, sugar mills, pharmaceuticals, chemical, and petrochemical sectors.
Our state-of-the-art factory houses over ten specialized production lines, employing a multitude of manufacturing processes to cater to bespoke requirements. These include CNC punching, CNC drilling, laser cutting, high-frequency resistance welding, milling, polishing, pickling, and more.
Our unwavering mission is to strictly oversee product quality, enhance our professional acumen, and develop innovative products and solutions to cater to the unique demands of our clients. Our vision is to be a solution-oriented manufacturer, dedicated to fostering long-term, mutually beneficial partnerships.
cooperation with our valued customers.
We are proud to introduce ourselves as a distinguished manufacturer and supplier specializing in top-notch wedge wire products. At Hebei Slot Filter Technology Co., Ltd., our workshop is a testament to our commitment to quality-showcasing an immaculate workspace, state-of-the-art machinery, adept and experienced craftsmen, all supported by a rigorous quality control system that ensures excellence in every product we craft.
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,Bridge Slotted Well Screens,Sand Control Well Screens, Gravel pre-pack Screen,Pipe-based screen,Perforated Pipe,API/5CT Casing and Tubing.
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
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