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Vacuum/ Mud Filter Screens
These are used to de-sweeten and dewater the mud that is separated from the juice in the clarifier. Rotary screens allow for large flows to be pumped over the screen inside, which separates the liquids and the solids as the system rotates.
Rotary Drums/ Dorr Oliver/ Mud Filter Drums are normally available in various sizes as
8’X12’ or 8’X16’ or 10’X16’ or 14’X30’ or 16’X36’. Further there are various other sizes available depending on the required filter area. The vacuum filter screens are installed to these drums as 2 or 3 or 4 pcs per face or length of drum.
Screens- Round Hole Perforation in Stainless Steel
The size primarily used- Hole Dia-0.51MM in 0.30MM Thickness with 625 Mesh per sq. Inch giving an open area of 19.60% (approx.). We supply screens for all sizes and specification as per the requirement.
S.S. Stationary wedge wire screen for sugar juice filteration
DNT make wedge wire screens are suitable for variety of applications such, as sugar coal, mining processing cement etc. The screen surface is either made of looped wires assemble on cross rods or all welded constructions.
A high open area, non clogging filter surface & high precision slots are typical of wedge wire filtration products. These screens are available in slit opening starting from 0.25mm & can be delivered as per customers requirement
We are leading suppliers and Exporter of Nickel Screen used in Continuous Centrifugal Machines by Sugar Mills and refineries all over the world. Moreover, we are proud to inform you that we are "ISO" 9001:2015 certified company.
We proudly present our Nickel Screen for Sugar Centrifugals to the service of sugar manufacturing industries. It is made by Highly Experienced Technocrats with the precise and latest manufacturing facilities. The quality parameters are strictly controlled and accurately maintained at every stage of production.
Technical Specifications of Nickel Screen:
Mesh type: 16/4
Slot opening: Conical
Hardness: 1000-1100 HV
Slot width: 0.04 to 0.12 mm
Surface finish: mirror smooth
Chrome Plating : 14 to 16 Micron
DNT offers selection of screens which provide excellent support to working screen & maximum flow of molasses. a) Wire mesh of brass & stainless steel 304 They are usually used as supporting screens & can be made though wire in stainless steel & brass. They can be made as per customer specification. Wire mesh or wire netting is a process of knitting the wire to form an inter-link that forms a net type product which is primarily used in filtration process. b) Stabbed liner of stainless steel & brass stabbed liner are made with round & triangular holes parallel. Stabbed liner gives complete output of material.
Working screens / Centrifugal screens
DNT offers various types of centrifugal screens in high quality materials with precision slot and round hole perforations. The DNT Working screens are supplied with precision aligned lock-lap joints for easy installation.
Brass, Copper and SS Screens – Round Hole – Slot Hole
These are used as working screen with lock-lap joints and middle screen liners. These screens are available as to be fitted to basket (Liners) for Continuous type and with lock-lap joints for Batch Type machines as required.
Brass, Copper and SS Screens – Conical Slot Hole – These are used frequently for batch type as working screens or for continuous type as middle screens/liners.
Middle & Backing Screens- SS or Brass Dovex screens are used in accordance with the basket size as a middle screen (Batch) and as a backing screen (Continuous & Batch). The screens are slightly different from normal wire-mesh.
DNT offers selection of screens which provide excellent support to working screen & maximum flow of molasses. a) Wire mesh of brass & stainless steel 304 They are usually used as supporting screens & can be made though wire in stainless steel & brass. They can be made as per customer specification. Wire mesh or wire netting is a process of knitting the wire to form an inter-link that forms a net type product which is primarily used in filtration process. b) Stabbed liner of stainless steel & brass stabbed liner are made with round & triangular holes parallel. Stabbed liner gives complete output of material.
DNT offers selection of screens which provide excellent support to working screen & maximum flow of molasses. a) Wire mesh of brass & stainless steel 304 They are usually used as supporting screens & can be made though wire in stainless steel & brass. They can be made as per customer specification. Wire mesh or wire netting is a process of knitting the wire to form an inter-link that forms a net type product which is primarily used in filtration process. b) Stabbed liner of stainless steel & brass stabbed liner are made with round & triangular holes parallel. Stabbed liner gives complete output of material.
Flexible shaft for boiler tube cleaning
Features :-
Whether used for technical or decorative applications, round hole perforations are the most frequently used in perforated products. Geometrically, a round hole is the most solid shape.
Round hole perforations provide the possibility of a large open area and strength and comes in triangular, diagonal, straight or staggered rows and also with decorative holes.
Our perforated sheets with round hole perforations are used in many applications for example:
Sieves
Round holes are often used for acoustics and safety for the IT industry, as well as machinery construction for protection and ventilation panels.
Round holes offer a large ventilation opening with effective protection for the machine parts inside.
Facades
Round hole perforations offer an aesthetic decorative privacy shield and increases protection against the sun, and are also used for infill panels in balconies and balustrade panels.
Our vast experience as Europe’s largest producer and supplier of perforated products ensure we are your reliable and competent partner to process several types of raw materials.
Take inspiration offered by the vast number of possibilities and feel free to contact us for further information.
As with round holes, whether functional or decorative, perforated sheets with square holes can be used in many different ways.
Square holes can be supplied with parallel rows, diagonal rows or staggered rows. In addition, square hole perforations allow a high open area for applications such as ventilation and guards.
Some examples of applications for perforated sheets with square hole perforation.
Safety and ventilation sheets
Facades
Our vast experience as Europe’s largest producer and supplier of perforated products ensures we can produce these patterns in many different materials.
Take inspiration offered by the number of perforation possibilities and be guided by our experts.
Slot hole perforations can have either round ends or square ends (rectangular holes) and are typically used for sieves.
Depending on the application requirements there are a range of slotted holes and patterns e.g staggered or straight rows, herring bone and chessboard from which to select.
Get inspiration from the numerous possibilities of perforation and please ask for any advice.
A few applications for slot hole perforated sheets
Sieves for seed processing machinery are used in both the pre-cleaning and main cleaning of grain, maize, oil seeds, legumes, malt, rice, coffee and soy beans. The cleaning and sorting of seeds (malformed, discoloured, germinated, broken, contaminated with other species or mouldy grains in seed lots) can severely impact seed quality, viability and vigour and therefore the market value.
When used for this application DNT sieves achieve high quality cleaning and accurate sorting of seeds.
Sieves for sorting machines
Sieves for revolving screen machines
Food processing industries
Recycling industries
DNT's screens for malting floors are manufactured to high quality standards giving reliability and effectiveness. For all processes, from drying-kiln to germ-hutches, perforated sheets incorporating slot hole perforation are predominantly used.
Brewery and Winery/Others
Achieve high open areas with hexagonal perforation from DNT.
Maximum ventilation
The need for effective cooling is increasing for many technical products. Flexible solutions and innovative products like our hexagonal perforation patterns are the answer.
Our hexagonal perforation provides an extremely high open area of up to 85%. Sheets with holes of this configuration are very lightweight. The stability of the parent material is of the utmost importance to maintain the shape of a honeycomb structure. This pattern produces an appealing, timeless design suitable for current and future product applications.
The ability to control airflow can be used not only for cooling, but also the opposite effect using a targeted heat supply.
IT
Whether it is racks or server cabinets the heat developed from the integrated systems and components must be removed to the outside efficiently, which is usually achieved by using internal fan modules. A sheet with a hexagonal perforation provides a very large open area giving optimal ventilation. Thanks to the high air flow, temperatures can be kept constant in the cabinet, whereas the other areas of the cabinet can remain obscured by non-perforated areas and are therefore protected.
Automotive
The need to cool heat producing parts of machines and engines e.g. tractors and other vehicles is a traditional application for perforated sheet metal products. Depending on the chosen open area, the heat can either be dissipated or be re-circulated. Small hexagon perforated sheets can also be used as protection against insects in the engine compartment.
Bridge slot perforation is a special perforation manufactured with exacting precision. The combination of heavy sheet thickness and very fine openings provides great resistance for filtering and ventilation.
Applications for bridge slot sheets
Bridge slot perforation is often used for water drainage shafts and drying. Bridge slot perforation is typically used for:
The open area of bridge slot perforation is variable and depends on the depth of embossing. An embossed depth of 1.5 mm (suitable for rape seed) provides an open area of 3.7 % for ventilation. Another example are sheets with an embossed depth of 3.0 mm giving an open area of 9.1%.
Ideally seed and grain need to be stored in an area with a moisture content of less than 14.5%.
If the storage area is too moist, fungus infestation and self-heating can follow. DNT Bridge slot sheets offer you a drying solution with appropriate optimised ventilation.
With their open area DNT Bridge slot sheets allow permanent free flowing ventilation.
Our service for you
If you want to secure first choice solutions for ventilation you will always find the right partner for service, ideas and quality in DNT. We are your experienced partner for industry and agriculture.
DNT Trieur sheets are used for cleaning and sorting particularly grain and seeds.
The size of the “pockets” depend on your requirements, however the shape of the “pockets” is the most important consideration for the performance of the machine. DNT Trieur sheets are cut to size according to your specific requirements and then rolled or welded into a cylinder.
These products offer you the highest quality for sorting and separating seeds to minimize your waste. DNT Trieur sheets are made of steel or stainless steel.
FLARED HOLES With such perforation sheets are not simply drilled but the holes are then "pressed down".
We can make also zone perforation according to your drawing.
Materials: mild steel - galvanized steel - stainless steel- aluminum- etc.
Thickness: 1,0 ÷ 3,0 mm.
Applications: steps, textile & washing machines.
Company features: High flexibility in manufacturing even for small quantities and not standard measures;
The attitude of a constant improvement of the service offered to the client that has brought us to provide accurate quotations and deliveries on time;
DNT has always prepared its own equipment’s internally, ensuring to the customer the possibility to realize particular and exclusive products also for small quantities.
RASP HOLES
Materials: Mild steel - Galvanized Steel- Stainless Steel - etc.
company features:
High production flexibility for small quantities and in not-standard measures.
The consideration of the customer together with the spirit of continuous improvement of service that distinguish our company, leads us to offer punctuality and timeliness in quotations and deliveries.
DNT always prepared internally each piece of equipment thus ensuring its customers the feasibility of particular products and exclusive even for small quantities.
RASP (3 TIPS) HOLE DIAMETER : 4MM
Diameter: 4mm
Sheet thickness: 0,6÷1mm
Materials: Mild Steel.
RASP (3 TIPS) HOLE DIAMETER: 6,5MM
Diameter: 6,5mm
Sheet thickness: 0,8÷1,2mm
Materials: Stainless Steel or Mild Steel.
RASP (4TIPS) HOLE DIAMETER 8MM
Diameter: 8mm
Sheet thickness: 0,8÷1,2mm
Materials: Stainless Steel or Mild Steel
WIDE COLLECTION
As one of the faithful Perforated Sheets Manufacturers in Delhi, we offer an extensive range of Oval Hole Perforated Sheets. We provide these sheets in different types of materials including mild steel, carbon steel, stainless steel,aluminum copper and brass,etc. and in different sizes and patterns of holes. We also offer customization of products as per our patron’s stipulations.
HIGH-GRADE QUALITY
We serve as a prominent manufacturer and trader in the industry and immersed in presenting the supreme quality of oval hole perforated sheets. It is a high perennial product, which is manufactured by our expert team using highly sophisticated technologies and by utilizing qualitative grade of raw material. This can be availed by us at an affordable cost to our valuable patrons. It is the chief formula when filtering or separation of liquid and solid is needed.
CUSTOMIZATION
As a leading Perforated Sheets Supplier in India, we believe in the Patron’s satisfaction and for that, we offer customization in our products as per their requisites. We serve customization in hole size and thickness of oval hole perforated sheets. We can avail of this sheet to you in different materials including mild steel, carbon steel, stainless steel, aluminum, copper and brass, etc.
Rectangular Hole Perforated Sheets are stretched holes with square edges. Our experts utilized the revolutionary and progressive punching tool to design this sheet to maximize its effectiveness and aesthetic values. It is produced by our Experts with splendid finishing and has structural veracity. We ensure that our products are rust proof to bypass further maintenance issues.
SATISFACTORY FARE If you are looking for the
Best Rectangle Hole Perforated Sheets Supplier in India, contact us now which are manufactured by our team of experts using high persistence material and are offered by us at a reasonable industry price to our precious customers. Our manufactured products are always worth to trust and have confidence in its quality and this fact is accepted by our valuable patrons.
IMMENSE VARIETY
The Rectangle Hole Perforated Sheets are idyllic for ventilation as air can swimmingly pass through the rectangular gaps. This pattern is almost close to slotted perforated sheets having round edges. This pattern of sheet provides an appealing glimpse and is pertinent for designing and construction. We offer an extensive range of rectangle hole perforated sheets and is used for definite purposes.
FINEST QUALITY
We are notable Triangle Hole Perforated Sheets Supplier in India to our valuable patrons for years and gained their confidence in the quality of our products. Our team of experts put good use of revolutionary punching tool to specify these sheets with routinely arranged triangle framed notches in this Perforated Sheets. This sheet is corrosion-proof as we manufactured it by utilizing first-rate raw material.
WIDE ASSORTMENT
We as a leading
Triangle Hole Perforated Sheets Manufacturers in Delhi offers a wide assortment of this sheet. You can make stipulations according to your requirements. In general, we serve customization for the material, thickness, sizes, and dimensions of the sheet. This way we were able to cultivate our Patron’s faith for years in our company.
VAST UTILIZATION Triangle hole perforated sheets are more in demand because of its highly resilient strength and weight-bearing ability. It is majorly used as a sound filter as it works for noise reduction. This pattern of perforated sheets is more recommended by architectures as it provides more pleasing effects in designing.
Want To Be Different?
DNT Perfocon offers specially shaped holes that allow easy exit of particles or air through the screen. A specialist product in order to obtain a perfect result in the milling process.
Small holes in thick material
DNT Perfocon is an exclusive product from DNT which offers specially shaped holes that allow easy exit of particles through the screen – even with a combination of small holes in thick material. DNT Perfocon is extremely durable and long lasting compared to alternative products, giving you a more cost effective solution due to fewer production stoppages.
DNT Perfocon is a specially designed product, produced with a special technique that enables us to manufacture sheets with a thickness many times greater than the hole diameter, e.g. 0.2 mm holes in 1.0 mm stainless steel. To make sheets with holes that small in a material so hard and thick is exceptional and opens the door to an entirely different use of perforated sheets.
The properties of directional perforation enable control in airflow and sieving. The design and the angle are developed specifically to reduce the possible blocking of the holes, thereby DNT Perfocon minimizes the clogging effect. These qualities make DNT Perfocon particularly suited for the separation processes.
An example of this is when selecting a stainless steel DNT Perfocon sheet that has subsequently been electro polished, it will distinctly minimize the risk of enzymes and other particles "sticking" in the holes and reducing the flow. The electro polishing process effectively de-burrs the hole and smoothes the surface eliminating the possibility of particle blockages. We offer DNT Perfocon in mild, galvanized and stainless steel.
Applications
DNT Perfocon hole sizes
Our goal is to fulfill the requirements of our customers by providing an extensive choice of high quality perforated products. With DNT Premium Perforation, we have therefore taken perforation solutions to the next level. The DNT Premium Perforation range offers perforation with hole diameters that are the same size as the sheet thickness, as well as holes that are smaller than the sheet thickness.
DNT Premium Perforation product range
With DNT Premium Perforation, we offer products with holes the same size as sheet thickness, as well as hole sizes smaller than sheet thickness, such as:
1: Perforation with holes the same size as the material thickness (1:1 perforation)
2: Perforation with hole size smaller than the material thickness
DNT is the world’s largest supplier of perforated sheets and one of the only companies to offer such an extensive range of these types of perforations from stock, as well as tailor-made solutions with other patterns and thicknesses.
DNT Premium - taking perforation to the next level...
DNT Premium Perforation gives you several advantages when compared to traditional and main-stream perforation in areas such as:
Thanks to its lightness, strength and anti-skid qualities, DNT Expanded Metal is a very popular material for today's building and industrial design.
Our many customers all over the world use DNT Expanded Metal for many different types of applications e.g for walkways, footbridges, footsteps, safety fences, reinforcing of concrete as well as for shielding in buildings and constructions.
There are many advantages in using DNT Expanded Metal. Below we have listed just a few.
Please follow this link for more information on the advantages of using DNT Expanded Metal.
We offer some DNT Expanded Metal as stock sheets with immediate delivery and in addition we can produce tailor made products exactly designed for the actual purpose
We are able to offer you a range of secondary operations for example flattening, cutting, forming, rolling and welding.
Complete solutions
As a result of the combination of our specialized machines and our network of professional partners we are able to produce prime quality products and solutions - from the custom made perforated sheet to the fully formed and coated part.
Cutting
We can cut and shape the perforated sheet to meet the needs of your final application, by shearing, water jet cutting or laser cutting.
Our punching/laser machines can combine laser cutting, punching and forming in a combined process. This offers the following competitive advantages:
Leveling
For some applications a high degree of flatness of the sheet or coil is required. We offer leveling according to your requirements.
Rolling and forming
We can roll, bend and form your perforated sheets, using special tooling where necessary, to meet your requirements. Please feel free to contact us for further information.
Welding
Depending on your specifications we are able to offer fabrications produced in our in-house welding equipment.
Other secondary operations
Above we have listed a few of the secondary operations we can provide. Please feel free to contact us for any other needs.
If protection against corrosion is required for carbon steel perforated sheets and parts, hot dip galvanising ensures the best possible solution.
By close cooperation with our subcontractors we have built up a large experience within hot dip galvanizing and knowledge of how to obtain the best results.
When to use hot dip galvanized sheets
Advantages of hot dip galvanising
Disadvantages of hot dip galvanizing
Perforated sheets suitable for hot dip galvanising
Sheets and fabrications are hot dip galvanized according to AN ISO. Please feel free to contact us for more information.
We will be pleased to arrange colour coatings of products supplied by DNT. There are many bright and opaque colours available if you choose a painted surface.
Coated surfaces ensure an excellent protection against corrosion and an individual decorative look.
Before colour coating, perforated products must be treated appropriately to ensure the proper protection against corrosion. DNT can arrange such processes as passivating or hot dip galvanising.
The advantages of powder coating are:
Contact Us
WZ-205 Ground Floor Naraina village South West Delhi New Delhi, DL 110028, INDIA
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Perforation unlimited.
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