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: Discover the superior quality materials used in our Wedge Wire Screen Tubes: 304, 304L, 316, 316L, 321, 310S, Duplex steel, Hastelloy, and Titanium alloy, among others. Enjoy the convenience of regular products readily available from stock, offering both excellent pricing and the fastest delivery to meet your demands.
- Tube diameter: Experience versatility with our tube diameters ranging from 0.5" to 60". We also provide support for ordering larger pipe diameters to suit specific project requirements. Regular sizes are conveniently available in molds and stock, ensuring quick and efficient service.
- Tube length: Choose from a variety of tube lengths: 0.3 m, 0.6 m, 1 m, 2 m, 3 m, and 6 m. Need something unique? We offer customization options for special sizes to perfectly tailor our products to your needs.
- Slot size: Our precise slot size range of 0.02-2.5 mm ensures optimal filtration efficiency and performance for your specific applications.
- Surface profile type: Our products feature an efficient triangle wire surface profile, enhancing the filtration capabilities and overall performance.
- Support profile: Benefit from our varied support profiles, including Triangular (V-shaped, wedge), round rod, flat bar, water-drop, and square wire, each designed to optimize your filtration processes.
- End Types: We offer a diverse array of end types, such as welding rings, welding threaded joints, welding flange, welding clasp, and more, catering to the exacting specifications of your projects.
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 shipment, each product undergoes rigorous measurement and testing procedures to ensure compliance with customer-specific requirements, guaranteeing satisfaction and reliability of the exported products.
- Not easy to jam
Thanks to its innovative V-shaped wire design, our screen's external opening is smaller than the internal one. This unique construction significantly reduces the likelihood of clogging, ensuring seamless operation.
- Uniform slot
Our state-of-the-art CNC machine tools meticulously manage the spacing between wires, guaranteeing that each slot is uniformly precise for optimal performance.
- Strong corrosion resistance
Constructed from premium-grade Stainless Steel 304, our product boasts exceptional corrosion resistance, ensuring longevity even in the harshest conditions.
- Large flow rateDesigned to minimize resistance, this screen pipe dramatically enhances flow area compared to similar-sized plastic filters. This increase allows for a higher flow rate, meaning fewer filter elements are needed for the same output, optimizing efficiency and cost-effectiveness.
- Adjustable gapTailored to diverse user requirements, our screen pipe features adjustable gaps between the stainless steel trapezoidal wires. This customization is made possible due to continuous welding, accommodating various filter equipment and media.
The following is the machining welding process
Our stringent quality control process is committed to delivering products that not only meet but exceed the highest standards, ensuring reliability and excellence.
Our cutting-edge products boast remarkable versatility and are seamlessly integrated into a myriad of applications, including various intricate filtration systems, comprehensive screening mechanisms, efficient dehydration processes, and state-of-the-art sewage treatment solutions.
- Water Treatment
- Employed as essential filters and integral separators, our products excel at extracting suspended solids and particulate matter, making them indispensable in the purification of drinking water, the meticulous treatment of wastewater, and the enhancement of industrial water management.
- Our products serve as a pivotal filtration medium within desalination, meticulous descaling, and softening systems, significantly boosting treatment efficacy and reliability.
- Chemical
- Our sophisticated filtration components are adeptly utilized in high-performance equipment such as reactors, advanced distillation towers, and high-capacity centrifuges, expertly segregating liquids and solids with precision.
- Within the pharmaceutical and food processing sectors, our products ensure impeccable sterile filtration, upholding the highest standards of product purity with unwavering assurance.
- Mining
- Our products redefine solid-liquid separation and filtration, extracting valuable concentrates from slurry efficiently, and are integral to mining beneficiation and coal washing processes, ensuring optimal results.
- They are expertly utilized for the extraction and meticulous filtration of slurry, particularly from tailings ponds, enhancing operational efficiency and environmental responsibility.
- Oil & Gas
- Unrivaled in performance, our filters are essential in drilling operations, seamless oil extraction, and precise pipeline transportation, expertly segregating oil, water, and impurities to maintain product integrity.
- Functioning as precision filtration systems within oil and gas processing units, our products ensure superior product quality and operational excellence.
- Power
- Our advanced filtration solutions expertly eliminate suspended solids and impurities from water in critical equipment such as turbine generators and boilers, ensuring peak performance.
- Critical to the cooling water systems of nuclear power plants, our products ensure safe, reliable, and uninterrupted operation, maintaining system integrity and operational safety.

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. Boasting cutting-edge international welding processing equipment and a team of production experts, we are dedicated to delivering precision and quality.
With a decade of expertise in crafting top-tier filtration and solid-liquid separation products, we are committed to providing unparalleled products and services. 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, Lateral Water Distributors, and Perforated Metals. Our diverse array of raw materials includes SS304, SS316L, duplex steel, super duplex, Monel 400, and Hastelloy. These products find applications in various industries such as water treatment, starch processing, sugar mills, pharmaceuticals, chemical, petrochemical, and more, wherever there is a need for efficient solid and liquid separation.
Our state-of-the-art factory is equipped with over ten specialized production lines, offering a multitude of manufacturing processes to cater to bespoke needs. Our capabilities include CNC punching, CNC drilling, laser cutting, high-frequency resistance welding, milling, polishing, pickling, and more.
Our unwavering mission is to rigorously oversee product quality, enhance our professional capabilities, and innovate new products and solutions tailored to our customers' unique requirements. We are dedicated to becoming a solutions-focused manufacturer, cultivating lasting, mutually beneficial relationships.
cooperation with our valued customers.
As a leading light in wedge wire product manufacturing and supply, we at Hebei Slot Filter Technology Co., Ltd. take pride in our state-of-the-art facilities. Our workshop stands as a testament to precision and efficiency, featuring cutting-edge equipment operated by our team of highly skilled professionals. We uphold the highest standards of quality with an unwavering commitment to excellence, ensuring every product meets our rigorous quality control system.
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