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        Tabletop Refractory

        TabletopRefractory2

        Overview

        Pyrotek tabletop refractory includes precast refractory components used to distribute molten metal to mould positions in a vertical direct chill (VDC) billet casting tables. The shape, size and configuration of the components depends?on the equipment manufacturer and their specific design preferences. Shapes can be categorized as either trough or feeder components. Trough sections typically include entries, tees, troughs and elbows. Feeder parts are commonly described as cross feeders, half feeders (tee feeders) and end feeders.?All feeder?shapes?contain an aperture in the bottom that delivers metal to the casting and is concentric to the mould. The?tabletop refractory assembly are joined using mastic, mastic and ceramic rope, or mastic and ceramic paper gaskets.?Typically, a thermal insulation layer is added between the refractory and the casting table weldment?in the form of pourable backup insulation refractory?or ceramic packing wool. Below the parts, a thin layer of ceramic paper is commonly installed. To deliver repeatable casting performance,?tabletop refractory?should?have a low thermal conductivity?to resist heat transfer from?molten metal and a high thermal capacity?to remain hot between casting cycles?while?resisting wear, erosion, corrosion, and thermal shock with high hardness,?inertness to?aluminium and high fracture toughness respectively.

        Pyrotek Offerings

        Pyrotek offers a variety of tabletop refractory products. Pyrotek's shell-insulated tabletop refractory utilizes a hard-wearing refractory (Pyrocast FS73 AL) that is cast inside a highly insulative refractory (Wollite 45) to increase thermal performance over monolithic shapes. Monolithic tabletop refractory made from Insural 140 refractory delivers very low thermal conductivity and has been the preferred solution for years by many customers. Other ceramic options are available to serve unique customer requirements.

        • Improve safety with non-RCF refractory
        • Lower thermal gradients across the casting table with insulative design options
        • Extend service life with high wearing and thermal shock resistant refractory
        • Reduce joint maintenance with low thermal expansion
        • Optimize performance with custom shapes

        Gallery

        Base-Insulated Tabletop Refractory Tee Feeder Before Shipping Shell-Insulated Tabletop Refractory Cross Feeders Shell-Insulated Tabletop Refractory Cross Feeders Before Shipping Tabletop Refractory After Casting Tabletop Refractory At The Start Of A Cast Tabletop Refractory Bake-out Manifold Tabletop Refractory Bake-out Manifold Detail Tabletop Refractory Ceramic Paper Underlayment Tabletop Refractory Headers Tabletop Refractory Installed Tabletop Refractory Set Installed Base-Insulated Tabletop Refractory Cross Feeder Before Shipping Base-Insulated Tabletop Refractory Tee Feeder Monolithic Insural 140 Tabletop Refractory Monolithic Insural 140 Tabletop Refractory Corner Monolithic Insural 140 Tabletop Refractory Cross Feeder Monolithic Insural 140 Tabletop Refractory Cross Feeder Monolithic Insural 140 Tabletop Refractory Cross Feeder Interior Surface Monolithic Insural 140 Tabletop Refractory Cross Trough Monolithic Insural 140 Tabletop Refractory EntryTrough
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