Perforated Plate Sieves for Screening Materials
Perforated Sieves or perforated plate sieves are made of perforated stainless steel plate with round holes or square holes, and brass or stainless steel as the frames. Perforated sieves are used where accurate screening materials are needed. We can offer a wide range of perforated plate sieves in round hole or square hole. Perforated plate sieves are in diameter sizes of 200, 300, 315, 350, 400 and 450mm. Aperture sizes range from 125mm to 4mm in square hole and 125mm to 1mm in slotted round hole. They are widely used in many fields for its different materials and types.
Three Major Types of Perforated Sieves
There are mainly three kinds of perforated sieves. They are perforated grain sieves, mid-point test sieves and extra depth sieves.
Perforated Grain Sieves
This kind of sieves are used by government agriculture sectors and grain organizations from all over the world to test gains and cereals grades. They are usually made of stainless steel or brass perforated plate for sieving mesh and the same material plate for the frame. Commonly diameter of the sieves are 200mm.
Extra Depth Sieves
Extra Depth Sieves are perforated stainless steel sieves in extra depth. They are widely used in the construction and cement industries. The diameter size is commonly 450mm and the sieve depth is 300mm. Made from stainless steel perforated plate; the sieves are tough and rigid and ensures a long service life.
Mid-Point Test Sieves
When a process requires a high level of repeatability, mid-points can be used on all sieve tests. However, the predominant application for the mid-point sieves are as master stack. A master stack is used to check and recalibrate sieves used in everyday testing. It can be also used for the screening of sand.
Besides, there are some special designed perforated sieves, such as air jet sieves, pocket sieves and other sieves used for testing small samples either in the lab or on site.
Several sieves with hole type of round and square, materials of brass and stainless steel.
Perforated plate can be used as sieves to separating and screening the materials.
Two stainless steel perforated sieves with square holes.
Perforated sieves with square holes can be used as gains sieves to test gains and cereals grades.
Two pieces of specially designed perforated sieves: air jet sieves
We also supply special sieves such as air jet sieves.
Features
Good stainless steel for corrosion resistance.
Good filtering ability.
Easy to clean and maintain.
Easy to use and transport.
Different sizes, materials and types available.
Long service life.
Applications
Perforated plate sieves are widely used in many fields with their different types and materials. Our sieves are general used in food, paper, processing industry, stones and powders, research lab, construction and building industry, mining and the oil chemical and more industries.
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Perforated mesh This feature makes perforated mesh popular for making of rigid filter discs, cylinders, filter element support metal pipe and perforated test sieves. Material: Stainless steel 304/304L/316/316L/321/310, aluminum, brass or alloy. Hole style: Round/square or custom. Hole Pattern: The hole are arranged in straight line or stagger line Mesh Opening: 0.6mm--10mm Pitch: 1mm--30mm Perforated Plate thickness: 0.34mm--5mm Features: Anti-corrosive, anti-abrasive, long-lasting life span, easy application, economical, etc. Application: Perforated metal discs can be used as filters or test sieves. We also supply perforated metal cylinders or tubes to support the filter media. It can be processed into the forms of tube, cylinder, sheet and conical as filter mesh, filter cartridge, cylinder or filters for filtration in petroleum, chemical, oil cooler, food and pharmacy.
1.The pressure screen basket is composed of a sieve perforated plate, an overflow bucket and a non-perforated plate. 2. There are many small holes distributed on the screen plate, and the vapor passes through the small holes from bottom to top, transfers heat and mass through the liquid layer on the tray, and then rises. 3. The liquid flows through the tray according to a certain route, and the liquid is held by the vapor with a stable flow rate, and flows through the overflow hopper to the non-porous plate (liquid receiving tray) of the next tray. 4. The thickness of the liquid layer is determined by the height of the inlet baffle and outlet baffle on the tray.
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