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: Our premium Wedge Wire Screen Tubes are crafted from a variety of high-grade materials including 304, 304L, 316, 316L, 321, 310S, Duplex steel, Hastelloy, and Titanium alloy. We ensure regular availability of these products in stock, offering you exceptional pricing and the swiftest delivery to meet your demands.
- Tube diameter: Our tubes are available in a wide range of diameters from 0.5" to 60", with the flexibility to order even larger sizes. Popular dimensions are ready in molds and kept in stock for your convenience.
- Tube length: Choose from our versatile length options of 0.3 m, 0.6 m, 1 m, 2 m, 3 m, and 6 m. We also offer customization to accommodate special size requirements.
- Slot size: Slots range from a precision size of 0.02 mm to 2.5 mm, tailored to your specific filtration needs.
- Surface profile type: Our tubes feature a distinctive Triangle wire surface profile, ensuring efficient filtration and durability.
- Support profile: The support profile includes a variety of shapes such as Triangular (V-shaped, wedge), round rod, flat bar, water-drop, and square wire, designed to enhance strength and performance.
- End Types: Our tubes can be finished with diverse end types, including welding rings, welding threaded joints, welding flange, welding clasp, and more to suit your installation needs.
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 dispatch, each product undergoes rigorous measurement procedures to ensure compliance with your custom specifications, guaranteeing that the export meets the highest standards and your specific requirements.
- Resistance to Clogging
Utilizing an innovative V-shaped wire design, the Wedge Wire Screen Tube ensures that the external face of each slot is delicately smaller than the inside. This intelligent design significantly minimizes the risk of clogging, allowing for uninterrupted performance.
- Consistent Slot Uniformity
Precision-crafted using advanced CNC machine tools, our product maintains a meticulously controlled and even gap between wires. This uniformity guarantees exceptional performance and reliability.
- Robust Corrosion Resistance
Constructed from premium stainless steel 304, our screen tube boasts superior corrosion resistance, providing longevity and durability even in the harshest environments.
- Enhanced Flow EfficiencyOur screen pipe is engineered for minimal resistance, which vastly increases the flow area compared to similar-sized plastic filter elements. This enhancement enables a higher flow rate while maintaining the same resistance level, ultimately reducing the need for multiple filter elements to achieve desired output.
- Customizable Gap SettingsRecognizing the diverse needs of our users, we offer adjustable gap settings to cater to various filter equipment and media requirements. The seamless, continuous welding allows for precise adjustments of the gap between stainless steel trapezoidal wires, ensuring perfect compatibility for your applications.
Machining and Welding Excellence
Through our exacting quality control processes, we ensure that each product not only meets but exceeds the highest standards. Our commitment to excellence guarantees you receive a product you can trust for consistent performance.
Our products are extensively utilized across diverse industries for their excellence in filtration, screening, dehydration, and sewage treatment, among many other applications.
- Water Treatment
- In the realm of water treatment, our screens serve as indispensable filters and separators, expertly removing suspended solids and particulate matter. They are pivotal in enhancing processes for drinking water purification, wastewater management, and a multitude of industrial water applications.
- Our screens function as critical filtration mediums within desalination, descaling, and softening systems, considerably boosting treatment efficiency and performance.
- Chemical
- Within the chemical domain, our products shine as vital filtration components in sophisticated equipment like reactors, distillation towers, and centrifuges, facilitating the seamless separation of liquids and solids.
- They are indispensable in ensuring sterile filtration across pharmaceutical and food processing sectors, maintaining the highest levels of product purity.
- Mining
- Our products are essential in mining applications, performing robust solid-liquid separation and filtration to expertly extract concentrates from slurry, and are highly sought after in both mining beneficiation and coal washing industries.
- They are also adept at extracting and filtering slurry from tailings ponds, ensuring efficient resource recovery.
- Oil & Gas
- In the oil and gas sector, our screens are relied upon as filters in drilling, oil extraction, and pipeline operations, effectively separating oil, water, and impurities to maintain system integrity.
- Our products provide precision filtration in oil and gas processing units, safeguarding exceptional product quality at every stage.
- Power
- Within the power industry, our screens are utilized as essential filters for turbine generators and boilers, adeptly removing suspended solids and impurities from water to protect equipment and optimize performance.
- They are also integral to the cooling water systems of nuclear power plants, ensuring their safe and reliable operation, thus playing a critical role in energy production.

Hebei Slot Filter Technology CO.,LTD Established in the year 2014, Hebei Slot Filter Technology Co., Ltd. is a pioneering entity that seamlessly integrates industry and trade. We are equipped with state-of-the-art international welding processing equipment, backed by a team of seasoned professionals dedicated to excellence in production.
With a decade of specialized experience, we are experts in the production of top-tier filtration and solid-liquid separation products, ensuring that you receive unparalleled quality and service. Our extensive product range 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 metal, among others. We work with a diverse array of raw materials such as SS304, SS316L, duplex steel, super duplex, Monel 400, and Hastelloy. Our products are essential in sectors where solids and liquids need to be separated, prominently in water treatment, starch processing, sugar mills, and the pharmaceutical, chemical, and petrochemical industries.
Our factory boasts over ten dedicated production lines, each equipped with advanced manufacturing capabilities to address a wide spectrum of custom requirements. These include CNC punching, CNC drilling, laser cutting, high-frequency resistance welding, milling, polishing, pickling, and more, all designed to deliver precision and quality.
Our unwavering commitment is to rigorously uphold product quality, continuously enhance professional expertise, and develop innovative products and solutions tailored to meet our clients' unique requirements. We are steadfast in our mission to be a solutions-oriented manufacturer, fostering long-term and mutually beneficial relationships.
cooperation with our esteemed clients.
At Hebei Slot Filter Technology Co., Ltd., we pride ourselves as a leading manufacturer and trusted supplier of premier wedge wire products. Our state-of-the-art workshop is a testament to our dedication, equipped with cutting-edge machinery and operated by a team of highly skilled artisans. Every step in our production process is underpinned by a stringent quality control system, ensuring that our products meet 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