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TECHNICAL REQUIREMENTS ABOUT INDUSTRIAL WIRE SCREENS (ISO 14315): 1) Aperture Width (w): The distance between two adjacent warp or weft wires, measured in the projected plane at mid positions. 2) Wire Diameter (d): The diameter of the wire in the wire screen. 3) Pitch (p): (i) Distance between the middle points of two adjacent wires. (ii) Nominally the sum of the aperture width (w) and the wire diameter (d). 4) Warp: All the wires running lengthwise in the screen as manufactured. 5) Weft: All wires running crosswise in the screen as manufactured. 6) Number of apertures per unit length: The number of apertures which are counted in a row, one behind the other on a given unit length. 7) Open Screening Area (Ao): (i) Percentage of the surface of all the apertures in the total screening surface. (ii) Ratio of the square of the nominal aperture width (w) and the square of the nominal pitch (p) , i.e p = (w+d), rounded to a full percentage value: A0 = 100 x (w x w) / (w+d) x (w + d) 8) Firmness of industrial wire screen : Tension existing between the crossing of warp and weft wires and which, together with the interlocking, determines the firmness of the wire screen. Also note, that it is affected by the tensile strength of the material, by the relationship of (w) to (d), and by the type and the depth of the crimp. 9) Major blemishes: Production defects which significantly affect the aperture size or surface quality of the wire screen.
MIST ELIMINATOR: Construction: It consist essentially of pads of multiple layers of Fabric-knitted from metals and synthetic fiber mono-filament chosen to suit the particular duty requirements. After knitting each layer is crimped and then converted into desired size or shape or pads. The pads are not entirely rigid and generally supported by open grid structure. Function: It is installed some distance above the surface of the liquid to allow some space for the natural disengagement of the coarsest natural particles and also to ensure that the gas/ vapor flow is uniform over the whole area of the mist eliminator. The droplet laden gas/ vapor then passes into Mist Eliminators at a predetermined velocity. The gas/ vapor easily finds open path though the mesh but the droplets and mist impinge on the filaments of pad where they coalesce and eventually grow to such a size to overcome surface tension of liquid and force of gravity. The drops so formed then fall down allowing the free gas/ vapor to pass out from the Mist Eliminator. Advantages: 1) Prevention of air pollution 2) Improvement in process efficiency 3) Minimize product losses in kettles, re-boilers and evaporators 4) Eliminate costly liquid lose 5) Reduces product contamination 6) Prevent carbon and metal entrainment of down stream catalyst cracker
PERFORATED SHEET: Manufactured in CRCA, Mild Steel , Galvanized Iron, SS-304/316, Johnson Screens etc. in required types - Square, Round, Rectangular, Triangular Holes. Standard specification can be supplied as per your requirement. Perforated materials are used in a number of different applications for a variety of reasons. Used mostly as screens, filters, shields, and guards, perforated materials can control the passage of air, liquid, light, solids, heat, electromagnetic waves, and sound waves. Applications: 1) Automotive 2) Furniture and Accessories 3) Filters and Screens 4) Washing Machines 5) Food Processing and Pharma
Flat Flex Wire Belting: (i) Materials: Manufactured in high tensile strength stainless or spring steel from 0.89 mm to 2.34 mm diameter wire. (ii) Belt Width: Available from 2.50 inch to 14 ft. (iii)Sprockets: Stock sizes from 1.25 inch to 30" diameter manufactured in stainless steel.. Special sprocket sizes and materials made to order.
CS 430 is a low-carbon plain chromium ferritic stainless steel. The steel has good corrosion resistance in mildly corrosive environments and good resistance to oxidation at elevated temperatures. In the annealed condition the steel is ductile, does not harden excessively during cold work and can be formed using a large variety of roll forming or mild stretch-bending operations, as well as the more common drawing and bending processes. The steel has limited weld-ability and should not be used in the as welded condition for dynamic or impact loaded structures. Being a ferritic material, 430 is liable to brittle fracture at sub-zero temperatures, and cannot be used in cryogenic applications. As the steel does not contain nickel or molybdenum, it is cheaper than any of the 300 series steels. Typical Applications: 430 is a simple corrosion and heat-resisting grade and finds application in areas where mildly corrosive conditions occur or where scaling resistance at moderate temperatures is required. Typical applications include: Automotive trim, architectural applications such as industrial roofing and wall cladding, kitchen utensils, sinks, washing machine parts and industrial pipe and tube. Material handling equipment in the mining and sugar industry. Heat resisting applications up to 759oC.
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