Discover the unparalleled durability and precision of our 304, 316, and 316L Stainless Steel Screens, perfected for Johnson wells. Innovative Screen Technology Experience the superior filtration with our Pipe Johnson Tube Wedge Wire Screen Filter, engineered for peak performance.
The Johnson Screen Tube, also known as the wedge wire screen tube, wrapped wire tube, or wire wrapped screen pipe, boasts a sophisticated manufacturing process. It features a V or wedge-shaped wire seamlessly wrapped around a sturdy internal array of longitudinal support rods. Each intersecting wire point is precision fusion welded, resulting in a robust construction and exceptional mechanical properties. The wedge-shaped section design effectively prevents blockages, ensuring smooth and uninterrupted water flow.
Our slot tubes are expertly designed with customizable endpieces to seamlessly integrate with your existing systems, providing essential attachments and reinforcements tailored to your needs.
We specialize in supplying wedge wire slot tubes, crafted to meet a wide range of specifications. Our offerings include custom-made end fittings that are meticulously tailored to suit the unique demands of your application.
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Material: Superior Durability and PerformanceCrafted from top-grade stainless steel options, including SS304, SS316, SS316L, SS321, S32205, S32750, Hastelloy, and other premium metal alloy wires.
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Tube Diameter: Versatile Options Available in a range from 1 inch to an impressive 48 inches, accommodating diverse application needs.
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Surface Profile: Precision at Its Best Select from 10-SLT, 12-SLT, 18-SLT, or tailor to your specific requirements.
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Support Rods: Robust Support for Every Application Choose from SLT-22, SLT-25, SLT-35, or customize to your desired specifications.
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Slot Size: Tailored Filtration Capabilities From a precise 20 micron to a broad 3000 micron, with a meticulous tolerance of ±5 micron, our slots meet exacting standards.
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Filtering Direction: Flexible and Efficient Engineered for both outside to inside and inside to outside filtration, delivering versatility in application.
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End Connections: Reliable and Secure Available in welded end rings suitable for butt welding, spiral threaded male and female couplings, or flanged for secure connections.
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Packing: Protective and Secure Packed with care in wooden cases or boxes lined with waterproof material, ensuring product integrity during transit.
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Note: Customization at Your Fingertips Additional specifications can be tailored to meet your unique requirements, ensuring a perfect fit.
Tailoring All Types: Comprehensive Solutions Wedge Wire Tube / Pressure Arc Screen for Starch - Versatile and DependableSieving Bending Wedge Wire Screen - Precision and ReliabilityWedge Wire Screen Cylinder - Engineered to Perform
Wedge Wire Filter Nozzles / Wedge Wire Grates - Effective and EfficientResin Traps / Wedge Wire Lateral Assemblies - Superior FiltrationIntake Screens - Optimal Performance for Varied ApplicationsScrew Presses Screen - Built for Rigorous UsePressure Screen Drum - High-Performance FiltrationRotary Drum Screen - Exceptional Durability and VersatilityWedge Wire Filter Elements - Tailored to PerfectionOil & Gas & Water Well Screen - Unrivaled in Quality and Performance
Our screens are customizable to perfectly meet your specific requirements, ensuring optimal performance and satisfaction.The trough size is adaptable, providing flexibility to suit varying operational conditions.
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. Carefully select the ideal wedge wire screen tube tailored to your unique application scenario and desired filtration accuracy, ensuring optimal performance.
- Precise Filtration Performance. Our cutting-edge equipment guarantees exceptionally precise slot sizes and an excellent degree of roundness for each screen tube, ensuring top-tier filtration.
- Various Types. Choose from an extensive range of wedge wire screen tubes, available in diverse edge types and diameters to suit any requirement.
- Versatile. Experience the versatility of wedge wire screens, expertly designed for a multitude of industries such as water treatment, oil and gas, food and beverage, mining, and beyond.
- Quality Assurance. Our stringent surface pickling and passivation treatment processes ensure that each product meets the highest quality standards, delivering exceptional finished results.
Detailed Photos
For diverse customized product needs, we provide final production confirmation drawings that precisely align with customer specifications. Our collaborative design process maintains close communication with clients, ensuring the final design accurately reflects their unique requirements.
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- General Industry
- Sieve bends - The optimal choice for efficient solid-liquid separation in numerous industrial processes, these innovative sieve bends ensure superior filtration and quality output.
- Cylindrical screens - Engineered for precision and durability, cylindrical screens are essential for achieving seamless filtration and maximum productivity across diverse industrial applications.
- Centrifugal baskets - Designed to optimize performance in centrifugal operations, these robust baskets provide exceptional strength and long-lasting reliability.
- DEM screens - Revolutionize your screening processes with DEM screens, the cutting-edge solution for enhanced material flow and superior separation efficiency.
- Pressure screens - Experience unparalleled screening performance with our high-efficiency pressure screens, crafted for the most demanding industrial challenges.
- Mineral & Aggregate Processing
- Vee wire centrifuge baskets - Unlock the potential of your centrifuge systems with our Vee wire baskets, delivering exceptional durability and performance for all separation tasks.
- P/U modular screening systems - Discover the versatility of P/U modular systems, designed for seamless integration and unmatched adaptability in screening operations.
- P/U and wire combination screens - Experience the best of both worlds with our P/U and wire combination screens, offering the perfect balance of flexibility and strength.
- Rubber screening system - Enhance your screening capabilities with robust rubber systems, engineered for maximum durability and efficient operation.
- Woven wire and perforated plate screens - Achieve superior screening accuracy with our high-quality woven wire and perforated plate screens, perfect for precision-driven applications.
- Petrochemical & Refining
- Center pipes - Ensure seamless fluid distribution with our durable center pipes, the backbone of efficient petrochemical processes.
- Outer baskets - Protect and enhance your systems with our resilient outer baskets, engineered for premium performance and longevity.
- Distributor trays - Optimize your refining operations with distributor trays, meticulously crafted for precision and even distribution.
- Nozzle systems - Discover the effectiveness of our nozzle systems, designed for optimal fluid control and enhanced operational efficiency.
- Scale traps - Prevent scale build-up and maintain peak performance with our innovative scale traps, essential for any refining process.
- Pulp & Paper
- Screen baskets - Experience unmatched durability and reliability with our premium screen baskets, essential for high-efficiency pulp and paper processes.
- Extraction plates - Maximize your recovery rates with our expertly crafted extraction plates, delivering exceptional performance and consistency.
- Filtrate cleaning - Elevate your cleaning processes with our advanced filtrate cleaning solutions, ensuring purity and efficiency every step of the way.
- Fiber recovery - Unlock new levels of fiber recovery efficiency with our state-of-the-art systems, designed for optimal resource utilization.
- Refurbishing services - Extend the life of your equipment with our professional refurbishing services, bringing your systems back to peak condition.
- Water Process
- Head works - Ensure optimal water management with our robust head works solutions, crafted for reliability and performance.
- Dissolved air flotation (DAF) - Enhance your water treatment processes with our innovative DAF systems, designed for superior clarity and efficiency.
- Intake screens - Protect your water systems with high-quality intake screens, engineered for durability and optimal performance.
- UItra-filtration - Achieve unparalleled water purity with our state-of-the-art ultra-filtration solutions, setting new standards in water treatment.
- Triton underdrains - Discover the excellence of Triton underdrains, offering superior water flow and filtration for sustainable operations.
- Water Well
- Well screens (stainless steel & PVC) - Achieve maximum water extraction efficiency with our premium well screens, available in both stainless steel and PVC for diverse applications.
- Riser pipes - Ensure seamless water distribution with our reliable riser pipes, an essential component for any efficient water well system.
- Sand spears - Optimize your water extraction with our high-performance sand spears, designed for effective sand control and resource management.
- Environmental monitoring screens - Support sustainable practices with our environmental monitoring screens, crafted for accuracy and long-term reliability.
- Nu-well rehabilitation chemicals - Revitalize your water wells with our Nu-well rehabilitation chemicals, designed to enhance performance and extend the life of your systems.
1. Enveloped in premium plastic film packaging to ensure protection from environmental elements.
2. Securely fastened with tie packaging for added stability during transport.
3. Encased in a sturdy wooden box, offering robust safeguarding against impacts.
4. Wrapped in bubble wrap for superior shock absorption and cushioning.
5. Tailored packaging solutions available to meet your specific needs.

Hebei Slot Filter Technology CO.,LTD Established in 2014, Hebei Slot Filter Technology Co., Ltd. is a pioneering force at the intersection of industry and trade, equipped with cutting-edge international welding processing equipment and a team of seasoned professionals dedicated to innovation and quality.
With an impressive decade of expertise in crafting premium filtration and solid-liquid separation solutions, we proudly present our flagship products: Wedge Wire Screens, Sieve Bend Screens, Centrifugal Screens, Water Intake Screens, and Johnson Screen Support Grids. Our expansive portfolio also includes Well Screens, Backwash Filters, Resin Traps, Laterals Water Distributors, and Perforated Metals, made from a diverse array of top-tier materials such as SS304, SS316L, Duplex Steel, Super Duplex, Monel 400, and Hastelloy. These exceptional products are expertly designed for applications in water treatment, starch processing, sugar production, pharmaceuticals, and the chemical, petrochemical sectors, where precise separation of solids from liquids and solids from solids is paramount.
Boasting more than ten specialized production lines, our factory is a hub of innovation and customization. We possess an extensive range of manufacturing processes, from CNC Punching and CNC Drilling to Laser Cutting, High-Frequency Resistance Welding, Milling, Polishing, and Pickling, adeptly catering to diverse and custom requirements.
Our unwavering mission is to rigorously uphold product quality, continuously enhance our professional expertise, and develop innovative products and tailored solutions that address the unique challenges of our clientele. We are committed to being a forward-thinking manufacturer, dedicated to crafting bespoke solutions that forge enduring, mutually beneficial relationships with our valued customers.
collaborations with our clientele.
As a distinguished manufacturer and supplier of wedge wire products, we pride ourselves on our immaculate and well-organized workshop. Equipped with state-of-the-art machinery, our facility is run by a team of highly skilled professionals, ensuring every detail is perfected. Our stringent quality control system is the cornerstone of our operations, guaranteeing products of unparalleled 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,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
If any interesting to be our agent in your local market, feel free to contact with me.