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Si₃N₄-bonded SiC

Riser tubes

Silicon nitride bonded SiC riser tubes, gas-tight and long-lasting, with low adhesion of molten aluminium.

Guoshi riser tube
Actual product · client photograph

A 3D sketch of the outer form built from Guoshi’s photograph, not to scale. Dimensions and wall thickness follow the drawings Guoshi confirms.

01 / SPECIFICATIONS

Typical properties and sizes.

Also known as

  • riser tube
  • silicon nitride bonded SiC riser tube

Names commonly used in the industry for this product and its same-material companion parts.

Details are available on request. Please contact us.

Outline drawing

Outline drawingRiser tube
AAL · overall lengthØD1L1open endflange, open endt · wallHalf sectionØdØDSection A–A

Sketch drawn from Guoshi’s photograph, not to scale. The section shows the wall as a single layer. Dimensions are shown as symbols; values follow the drawings Guoshi confirms.

02 / MATERIAL & PROCESS

Riser tubes

  • 01Gas-tightHigh gas tightness.
  • 02Long service lifeLong-lasting in service.
  • 03Low aluminium adhesionMolten aluminium adheres little to the surface.

03 / APPLICATIONS

Where it is used.

2D drawingInstallation positions

ASealed holding furnace

Riser tubeDieAir supplyMolten aluminiumFurnace

BCrucible furnace

Riser tubeDieAir supplyCrucibleHeating element
  • Guoshi product
  • Refractory
  • Insulation
  • Steel shell
  • Molten aluminium

Sketch of typical installations, not to scale and not of a particular customer’s plant. Guoshi parts are outlined in black and marked with a red leader.

How it is used
die: the cavity fillscompressed air inriser tube: melt risesmolten aluminiumsealed holding furnace

Animated sketch of typical operating conditions, not of a particular customer’s plant. Equipment and sizes are not to scale.

ENQUIRY

Riser tube

Send the drawing, quantity or operating conditions you have, and Guoshi will reply by email.

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