Rotary Trommel screens are used in a variety of industries for liquid / solid filtration, separation, and grading. Fax:0086-0318-7589020Multotec is very proud to announce that the Wedge Wire is assembled locally, significantly shortening delivery times. High quality 0. view. See full list on multotec. Both Ends: Male / Female threaded ends. Well Screen Length: 2 m x 20 pieces. Wedge Wire DSM Screen is also referred to stainless steel sieve bend screen, side hill screens, parabolic screens, run down screens, gravity screens. Sometimes this is at the cost of quality and also service. Flat wedge wire screens are excellent for using to de-water, de-slim, drain and rinse, wet classify, dry classify, filter, dry and cool. view. Wedge wire mesh screens and panels suitable for solid and liquid filtration, grating, sieve bends, trommel drums. 70mm to 4. Tel:0086-0311-83289301. The numerous combinations allowed by wedge wire screens allow for exact matches to technical specifications. Filter Cartridges; Filter. The SAG mill trommel screen provides a simple mechanism to classify large volumes of mill product. 35mm Slot Wedge Wire Screen factories, producing high quality SS304 Trommel Screen products. Wide choice. For more than 20 years' experience, we are serving customers from a wide range of industries from all over the world. Shop Screen & Storm Door Hardware top brands at Lowe's Canada online store. 080 ) Wire diameter 72 inch x 100 foot roll. Back. Cross Belt Sampler - Mechanical Design of. The continuous and self-cleaning effect of the rotating screens makes it. Welding of the metals 7. Wedge Wire Screens are available in a large range of profile wires with varying head widths, heights and relief angles, as well as a variety of support rods which cater to light and heavy loads. BBB Start with Trust ®. Trommel Screens. PUNCHED PLATE SCREENS. mobile, with wheels and light in weight 3. CONTACT WITH BT WIRE MESH TEAM WE ARE READY TO SERVE YOU, CALL US NOW! Address： No. trommel screens: wedge wire trommel screens and rotary screening drums are mechanical. Stainless Steel 304. Wedge Wire Screens. Flat wedge wire panel. In addition, we manufacture all our products. co. Contact centre. What is Wedge Wire Screen? Wedge Wire Screen is produced through the method of electric resistance welding, wires with profile profiles are welded to support rod at 90 degrees. Wedge-wire screen – It features a V-shaped profile designed to reduce the risk of clogging. Wire Mesh Demister Pad Vibrating Screen Wedge Wire Perforated Sheet . The Harpscreen finger screen (grizzly finger system / scalping deck) is designed specifically for the waste disposal, recycling, topsoil, compost and also gravel industries. Trommel screen is a type of wedge wire rotary screens as sifting element used in Rotary Trommel Drums, for screening and sizing in mining, municipal solid waste and resource recovery. Advantages of the rotating Trommel Screen are that large flows can be pumped over a range of screen drum aperture sizes. Carbon Retention Screens Centrifuge Baskets. Send Inquiry Details. Wedge wire lateral assemblies are a typical screen type used in draining. water well screen bridge slot screenWastewater Treatment Slot Trommel Rotary Drum Wedge Wire Screen Basket Cartridge, Find Details and Price about Cylindrical Wedge Wire Screens Filter Screen from Wastewater Treatment Slot Trommel Rotary Drum Wedge Wire Screen Basket Cartridge - Hengshui Guangxing Screens Co. Minimal Clogging and Downtime: Thanks to their design, wedge wire intake screens are less prone to. These products are fabricated with the help of latest technology to make sure their adherence. BBB Directory of Door Screens near Victoria, BC. Steel recycling and reuse programme engages customers and suppliers to drive circularity in manufacturing. 25,0. Simply give us a call, or click the Let Us Help button, and we will be in touch to discuss your request. Our screen media can be tailored to suit a range of machinery and common fixing systems such as pin and bolt-on systems, as well. Our company is counted among the well known manufacturers, suppliers and exporters of Welded Wedge Wire Screens. trommel screen. The. Sand and Gravel Classification Wedge Wire Trommel Screen for Solid Waste Separation is composed of several circular screen, thte whole body is slant on the ground. Capping rubber / cushion rubber is the most important area of consideration when fitting a new screen mesh. Presentation of Interim Report Q3 2023. Corrosion and rust resistance. Trommel Screens Installed at the end of grinding mills and scrubbers, trommel screens are rotary drum material separators for screening and grading without process vibration. WEDGE WIRE FOR GENERAL INDUSTRY. Our products are fully customizable to fit most applications, including capacity requirements. Trommel screens are often used for the removal of stones, soil, clay, and other large materials from mined ore and other material stockpiles. Rotary Drum Screens are designed to self clean, with wedge wire tubes supporting and reinforcing the structure. Making extra-ordinary. about us. Wedge Wire Trommel Screen (46 products available) Professional Wedge Wire Filter Manufacturer $69. Centrifuge Baskets. Trommel screens. 3. More operators rely on our BT Single Drum. 6. wedge wire screen plate water nozzle filter pipe Water Lateral system Tower Internals. Sievebends & Statics Sievebends and statics utilise both polyurethane and wedge wire materials designed to reduce your overall cost per ton. Back. 35, 0. 002") up. It's flexible and can be supplied in a range of sizes and profiles. Sometimes this is at the cost of quality and also service. Our female washer also ensures the side plate of your screen is not damaged by over tightening of the nut with a conventional tensioning bolt. +61 (0)8 9256 3311 screenproducts@intergroup. Specifications of Wedge Wire Screen Centrifuge BasketHigh quality 0. Suitable for a range of screening media such as stainless steel wedge wire or polyurethane. Rotary drum screens, also known as rotary drum filters or trommel screens, play a crucial role in wastewater treatment. Metal Wire Cloth. List of wedge wire trommel drum screen companies, manufacturers and suppliersCharc：. The rotating screen is a mechanical self-cleaning device that was developed to meet the growing need and demand for an efficient and economical method of removing suspended solids from mixed liquid streams. Material of Construction: Our profiles are available in SS 430,304 and 316 stainless steel. 5mm. Their rotating drums roll larger pieces of material to allow all fines to flow down and through the trommel screen plates. High-quality Rotary Drum Screens Filter please contact our factory. Now our in house facilities allow us to make the following process on the screens: 1. 3. Wedge wire screen lateral distributors, also called header lateral assemblies, are assemblies of. 30 - $42. Specialist Manufacturers of Wedge Wire Screens Custom built to specification for industries ranging from mining to food production to water treatment VIEW PRODUCTS Wedge Wire Industries is a small privately-owned company based in Tongaat, KwaZulu-Natal. Features of Wedge Wire Pressure Screen Basket Cylinder for Paper Pulp • Each filter constructed of 316 stainless steel and features a permanent handle for easy installation,. Advantage of our Wedge. The distance between two profile wires is the slot opening, which is the filtration rate. Wedge wire screen. These wedge wire screens are designed to remove solids from liquid wastewater streams, ensuring the smooth operation of downstream treatment processes. However, I’m amazed and impressed when we choose Harpscreen, we see quality, service and cost delivered every time without compromise. 15mm,0. Johnson Screen Filter pipe, also known as the filter pipe, uses low alloy steel as the material, by dozens of support bars and trapezoidal section of the winding wire for spot welding processing. The trommel screen comprises the rubber lined steel frame and replaceable screening surface. Multotec manufactures a complete range of wedge wire cylinder screens for CIP and CIL tanks. The support wire can be triangular wire or square wire. High quality Rotary Drum Stainless Steel Wedge Wire Screen / Trommel Screen 1200 X 2600mm from China, China's leading wire cylinder basket product, with strict quality control water filter basket factories, producing high quality water filter basket products. Rate = 354. REQUEST QUOTE WE ARE PROVEN SPECIALISTS IN LOOPED WEDGE WIRE SCREENS AND WELDED WEDGE WIRE SCREENS. Discover. Multotec has supplied a number of trommel screens for 38 to 40-foot SAG mills that required 500 to 600 mm high weir bars to create sufficient retention time. This is then pressed into a deep wedge shaped section. Back. Pakkret Nonthaburi 11120 THAILAND Tel : (662) 159-6206-9 Fax : (662)159-6210 E-mail : info@vismec. 35mm Slot Trommel Rotary Drum Wedge Wire Screen from China, China's leading Rotary Drum Wedge Wire Screen product, with strict quality control 0. 12/18 Moo 10 Kanchanaphisek Rd. 35mm Slot Wedge Wire Screen factories, producing high quality SS304 Trommel Screen products. Wedge wire screen cylinder with large diameters is used in mine, coal, mineral and other heavy duty applications for screening, filtering and sizing. This means a more streamlined, efficient screening system that reduces overall equipment costs and maintenance requirements. Carbon Retention Screens. Filter Cartridges ; Filter Disc. Stable structure. Harpscreen punched plate trommel screens working well. Back. 27. This type of wire screen is made from round wire looped at regularly pitched intervals. Johnson Screen; Sieve Bend Screen; Wedge Wire Screen Manure Separator; Centrifuge Screen Basket; Wedge Wire Screen Panels Lauter Tun False Bottom; Self-cleaning Wedge Wire Cylinders; Wedge Wire Filter Drum; Wedge Wire Trommel Screen; Resin Traps; Wedge Wire Lateral Assemblies; Wedge Wire Screen Strainer Filter; Wedge. 35mm Slot Trommel Rotary Drum Wedge Wire Screen from China, China's leading Rotary Drum Wedge Wire Screen product, with strict quality control 0. As the name specifies, these Automatic backwash filters automatically take care of the backwashing and filtering. Over the next five years, the revenue of the wedge wire screen market will grow at a CAGR of 2. 2mm,0. The screen surface can be supplied in 304 or 316 stainless steel. High quality 0. Equipped with stainless steel wedge wire screen. Rotary drum screens, also known as rotary drum filters or trommel screens, play a crucial role in wastewater treatment. 35mm Slot Wedge Wire Screen factories, producing high quality SS304 Trommel Screen products. The V wire is welded to the rods and produces a rigid unit that has high strength and minimum weight. We offer a 35 years of combined experience and our products have applications in mineral processing, mining, water treatment, food industry, architectral,shower grates and building. view. Easy to install. Wedge wire welding 3. Wedge Wire wedge wrapped Wedge Wire trommel screen cylinder filter consist of V shape profile wire and the longitudinal support rods. Water Flow-150,000 LPH. Wedge Wire Filter Drum is a kind of strainers that flow from inside to outside filtration,with smooth working surface inside. Advantages of the Flat Panel Wedge Wire Screens - flatness to within tight tolerancesA Trommel screen, also known as a rotary Trommel screen, is a mechanical screening machine extensively used in separation processes. LUDODECK® KOKO™ Modular Panel Systems. Compare products, read reviews & get the. Wedge Wire Screen Flat Panel Filter Material. Back. 5. Wedge Wire Screen. Trommel screens are often used for the removal of stones, soil, clay, and other large materials from mined ore and other material stockpiles. A Trommel screen also known as a Rotary Trommel Screen is a versatile piece of equipment that is used for a variety of applications across different industries. 3/8 inch square opening number 14 ( 0. • Smooth internal screen surface • Facilitates cleaning with an internal axial-movement scraper • The flow moves across the wire edges for effective dewatering Product • Trommel screens with internal feed • Systems with an internal rotor or screw • Dewatering systems • Baskets • Automatic filters Inverted BT WIRE MESH will continue to give full play to its comprehensive advantages in the field of wire mesh products, constantly meet customer needs, to provide high-quality products and services for global partners. Slot size: 1mm. 4mm ID to 1324mm ID and can accommodate a range of apertures from as low as 0. The company manufactures high quality looped wedge wire screens which are manufactured according to the requirement of the customer. Products include: Standard Aperture, Endless Aperture and Open Cast modules. High quality 0. Tube diameter: 25mm - 1500mm. Manufacturer: 120" Wastewater Stationary Screen; 120" Wastewater Stationary Screen No MFG tag, with 1/8" Wedge Wire Screen, with (3) 8" Flanged Inlets / (2) 8" Flanged Bottom Outlets, with other various inlets / outlets, 94" O. Wedge wire or profile screen half cylinders can be added to an auger or screw press to separate solids from liquids in food, waste water, minerals and industrial grit/chips from coolant. Wedge wire is typically more robust and can sometimes be cleaned easier, so these filters will typically have a longer service life. 4. Full W mesh was made from high tensile carbon steel and stainless steel, wear and abrasion resistant, which was exported Saudi Arabia , Australia,Tukey etc. Maximum sheet size is 3600×3900, with the slot running in the 3600 direction. A curved screen has greater capacity than a. Jagtap wedge wire screens are available in Wedge Wire Trommel, rotary screen drum, drum screen, cylindrical drum screen, rotating drum screen, trommel screen, flat panels, conical baskets, centrifuge basket, cylinders, tubes, sieve bend and also complete structures for salt, coal & ore, sugar, food, mineral, waste processing, petrochemical and. The global market will grow from $665. Contact Us. 52 / each. Screw press screens are used in a wide variety of dewatering applications, often in the same applications as belt presses, centrifuges, and filter presses. Milwaukee, WI Manufacturer*, Custom Manufacturer $1 - 4. Inter-Screen wedge wire is a versatile sizing screen product. For over 30 years, Guangxing Screens has continuously produced metal products for customers seeking a competitive advantage in their industry. Corrosion and rust resistance. Chemical Photo Etching. com. False Bottoms. Standard: Non-standard, OEM, ODM. Customer story. We are pleased to introduce JAGTAP Engineering Works as one of the leading manufacturers and suppliers of Wedge Wire Filtration products. Knitted Mesh/Mist Eliminator. Centrifuge Screen Basket is centrifuge dewatering equipment of key components, screen basket is mainly used in centrifugal machine dehydration, widely used in coal, chemical industry, metallurgy industry, etc. 50mm, 0. Above is the summary info about DSM Screen, here shows the specifications about profile wire and the screen. 1. They are mainly used for food processing, pulp and paper, waste water cleanup, surface water intakes, corn wet milling. Flat, framed or unframed wedge wire screen panels are used for:. Back. Usage. The Wedge Wire Pressure Screen Basket Cylinder for Paper Pulp is composed of rod strips and V shaped wires through manufacturing on the specialized welding machines. Each intersecting point of these wires is fusion welded, so stainless steel all-weled wire wrapped Screen has sturdy constriction and good mechanical property. 0086-0311-83289301Now our in house facilities allow us to make the following process on the screens: 1. SCREEN SYSTEMS (WIRE WORKERS) LIMITED. Steel recycling and reuse programme engages customers and suppliers to drive circularity in manufacturing. Resin trap has high mechanical strength,can bear large pressure drop. co. You can see Trommel screens perform after the mills and scrubbers or in recycling plants. The more delicate nature and finer wires within woven wire mesh could lead to a shorter service life when compared to wedge wire. For the wedge wire screen panels, stainless steel with different grades is the most common selection as a material, such as 304 316 316L 321, Duplex, Hastelloy, etc. Wedge Wire DSM Screen is also referred to stainless steel sieve bend screen, side hill screens, parabolic screens, run down screens, gravity screens. The specifications laid down by EN 10270-1/SL, BS481 and ISO 4873 were achieved as an absolute minimum. 00. Home; About Us. Back. Leveling of the materials 6. The consecutive slot have more open area ,and it can reduce the speed of the water entering to of these. 25,0. However, I’m amazed and impressed when we choose Harpscreen, we see quality, service and cost delivered every time without compromise. Wedge wire slot 1. 50 - $15. For recycling screening media call Harpscreen on 0845 2020 300. Show more Design: Our technical team can provide customers with professional product design services. 35mm Slot Wedge Wire Screen products. Depending on the industry, flow rate, and material to be separated, Trommel/Cush Cush Screens can be manufactured in a large range of diameters, lengths, apertures and wedge wires. Welded wedge wire oil well screens are designed for the typical oil well depths and consist of a perforated LCS base pipe and an outer wedge wire "jacket" in galvanized or stainless steel. Your Reliable Manufacturer and Supplier of Johnson wedge wire Screen filters in China, more custom filter strainer, pls contact us now. Arc Curved Wedge Wire Screen. Wedge wire screens are manufactured either by loop or welded. UK:. Woven Wire Mesh. 750” to 38”, and up to 48” diameters in fabricated sections. Our factory is mainly engaged in various kinds of wedge wire fitler screen strainer, etc. Looped Wedge Wire Screens & Welded Wedge Wire Screens, for general industry Curved Screens & Cylinders. The resin trap screen has a continuous slots and smooth surface. H. 1mm,0. Ideal for coarse, heavy-duty or ultra-fine mineral applications. Everbilt 36-inch W x 84-inch H Fiberglass Window and Door Bug Screen in Black. Wedge Wire trommel screens - Manufacturers & suppliers of looped wedge wire trommel screens (rotary screening drums). Our factory is fully equipped, advanced technology, strong technical force, all products implement strict scientific management and testing methods, and meet customer needs. The rib strips and V shaped wires will be welded by resistance welding, has enough welding strength, equally slot gap, high corrosion resistance, large filter area, good permeability, simple structure. Wedge Wire Screen Manure Separator; Centrifuge Screen Basket; Wedge Wire Screen Panels Lauter Tun False Bottom; Self-cleaning Wedge Wire Cylinders; Wedge Wire Filter Drum; Wedge Wire Trommel Screen; Resin Traps; Wedge Wire Lateral Assemblies; Wedge Wire Screen Strainer Filter; Wedge Wire Screen Strainers; Notch Wire Screen. Screening Media Accessories. 05mm,0. 0%. Back. Inquire Now. SR140 2. Back. We manufacture a variety of wedge wire and polyurethane dewatering screen panels for inclined screens, as well as sieve bends and housings. 50mm,0. 2 million in 2019 to. com. Filter Cartridges; Filter Disc; Filter. Wedge Wire Trommels are now widely used in many sugar/ethanol refining factories as an important tool in the separation of solids and liquids. Especially in mine, coal, mineral, and other heavy-duty applications for screening, filtering, and sizing. 0. It can be fitted slow side up or fast side up, depending on the needs of the application, which enables you to control the flow of materials over the screen. Our vibrating shaker screen is mainly used in oil drilling mud process, coal mine and various ore dressing and other industrial sifting screening. Centrifuge Baskets. Flange common size: 240*200mm 260*200mm 240*175mm 220*175mm. We make Cylindrical and Flat Screens from Wedge wire. Screen Types: Wedge Wire or Perforated D-Screen with Rotating Brush Wiper: Materials: Stainless Steel, Stainless Steel (304) and Stainless Steel (316) Features: No Wash Water Facility: Maximum aperture size (mm) 3: Minimum aperture size: 0. These efficient gold screening solutions are manufactured using state-of-the-art injection moulding and rubber compression moulding machines with the world’s largest press machines, automated castings and cylindrical welding machines. Sugar industry; Fruit processing industry; Mineral processing; Sewerage treatment; Fertilizer processing; Abattoirs; Water treatment;Alibaba Construction & Building Machinery Energy & Mineral Equipment Mining Machinery Vibrating Screen Wholesale wedge wire trommel screen. = DIAMETER X 3. We have specialized in industrial filtration for more than 10 years. 22SB profile wedge wire. The polyurethane screen panel, crafted from polyurethane materials, serves as a versatile mesh screen suitable for screening diverse materials. US$ 1600 / Piece. It has a 5ft X 16ft drum /. Tolerance:Wedge Wire Drum Screen consist of V-shape profile wire and the longitudinal support rods. NEWS; RESOURCES;. The h igh carbon steel and stainless steel used are vigorously controlled, therefore, ensuring a high-quality product. comWestrough and Washrock spread material for increased efficiency and better cleaning. These wedge wire screens can be built as one piece/screen or in sections to fit through any size manway and are designed to sit on a ledge within the tank/kettle. Gap Technology Ltd specialise in the design, manufacture, supply and installation of wedge wire, perforated and woven wire waste water screening machines and systems for industrial and municipal. The company is a manufacturer of wire screen, cone strainers and woven wire cloth products. wedge wire screen. Wedge Wire Filter Drum; Wedge Wire Trommel Screen; Resin Traps; Wedge Wire Lateral Assemblies; Wedge Wire Screen Strainer Filter; Wedge Wire Screen Strainers;2009 Vermeer 516 Trommel Screen. Notch Wire Screen Cylinder Descriptions. 304 stainless steel sieve bends sugar screen 0. Back. HARPSCREEN PERFORATED PLATE AND WOVEN WIRE MESH TROMMEL SCREENS. “Providing long term customer support is one of the major. Make: Vermeer/ WildCat Model: 516 Year: 2009 Hours:3600+- Engine: John Deere Hp: 100+- Screen size: 3/4” This is a nice unit for the year and hours on the machine. We protect you and your family. Wedge Wire Sieve Bend Screen ( DSM screen） is the best choose for fish and sand industry filtration. Wedge Wire Trommel Screen; Resin Traps; Wedge Wire Lateral Assemblies; Wedge Wire Screen Strainer Filter; Wedge Wire Screen Strainers; Notch Wire Screen Cylinder;Specialist Manufacturers of Wedge Wire Screens Custom built to specification for industries ranging from mining to food production to water treatment VIEW PRODUCTS Wedge Wire Industries is a small privately-owned company based in Tongaat, KwaZulu-Natal. Our Single Trommel Drum Wastewater Screen to help reduce industrial waste and increase product recovery. TROMMEL SCREENS. TROMMEL SCREENS: Wedge wire trommel screens and rotary screening drums are mechanical. 04mm,0. Vee wire arc sieve bend plate screen for aquaculture application. 1 mm right up to and over 10 mm. Back. UBO is specialized in producing and distributing wedge wire screen,lauter tun screens,sieve bend screen,sieve plate screen,water strainer&nozzle,screen nozzles,centrifuge screens and baskets,header-lateral etc. The wire type of surface profile is commonly triangular wire, which is also called V-shaped wire. In 1943. Home; Company Profile; Our Products. 25, 0. SELF CLEANING SCREENS. Carbon Retention Screens. Our wedge wire products suit most centrifuges such as VM, PH, TM, TWZ, FC, HSG, HF, Etc. Wedge wire screen can apply in brewing, chemical, oil, gas, food or beverage, waste water management, mining or coal separation. Durable and long service life. We pride ourselves on our ability to provide fast turnaround. net. Back. 29 KB. Back. SELF CLEANING SCREENS. 36" wide x 100' ft long. a). Material can be 304 and 316L. Stainless steel construction,anti-corrosive and long service life. Support rod specification : 38MM X 2MM. trommel screens and media retention screens. LUDODECK® Continuous Slot Aperture Panel. ) Wedge wire screens are never locked or inserted by the objects 2. For further information regarding our products. Efficiently performs liquid/solid separation for red meat, pork, poultry, seafood or vegetables. Wedge Wire Screen Panel. 15 September Mitigating fire risk with Multotec’s robust flame-resistant rubber screen panels. Also, due to their flat surface (no knuckles) self cleaning screens use a smaller wire diameter than woven wire for certain applications. 25mm,0. Wedge wire screen also named Wedge wire filter are produced as flat, arch bent, gutter type, cone and cylindrical segments. We are a manufacturer of stainless steel wedge wire screens. This maintains higher efficiency and productivity whilst at the same time minimising energy consumption. /0. Wedge Wire Trommel Screen. com. We manufacture a variety of wedge wire and polyurethane dewatering screen panels for. The product. 3. Size: Customized or Standard. Inquire Now +. Wedge wire is a welded constructed product wherein profiled wire with a triangular shape, is fusion welded to support rods at equal pitches along the underside of the screening surface. Highest-quality manufacturing standards From computational fluid dynamics and trajectory modelling to state-of-the-art manufacturing equipment, our ISO-accredited facilities deliver premium quality products. net. The plates can be manufactured in a wide range of apertures in either round, square, rectangular or hexagonal holes. With the portable design of the panel wedge wire screen, it adapts to a wide range of applications. Hardness (IRHD) 60–70. V profile : Equivalent to 91 wire. SCREENS. Fortunately, wedge wire screen can effectively meet all these requirements for water intake screen. 1 mm right up to and over 10 mm. It is classified as a type of screen wire as it is associated with a family of shapes that are utilized in the manufacture of screens, which are situated in a wide range of applications. The screw press is a simple, slow-moving mechanical device. Perforated Metal. The Notch Wire Screen Cylinder Standard slot sizes are 0. Vibroplast Screen Panels. Features & Benefits: Diameters from 2 7/8" to 13 3/8". rotating trommel screen high strength rotary drum screen. Wedge wire trommel screen are widely used in the mineral processing,sewerage treatment,food. With years of experience in the field, we have become a trusted name among contractors and operators looking for reliable, efficient, and cost-effective screening equipment. Characteristic for SS V Wire Welded Screen Support Grid. 3-Ton Belt Clamps, tested to 9 tons of tension. Manufacturer: JAGTAP. Yuanlv has been focusing on exporting high-quality wedge wire screen and filter housings since its inception. The rib strips and V shaped wires will be welded by resistance welding, has enough welding strength, equally slot gap, high corrosion resistance, large filter area, good permeability,.