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Knife gate valve SD8/81 - AT500 / AT510F

Solid material execution with ATEX approval II 1/2 D c TX

Knife gate valve SD8/81 - AT500 / AT510F

Technical data

DOMINO knife gate valve for solids with “ATEX approval II 1/2 D c TX”. Wafer and lug type knife gate valve for installation between flanges and suitable for end-of-line service in vertical pipelines and below silos.

One-piece body with funnel-shaped outlet to prevent product deposits, sealing on one side. Flushing connections in the body at the end of the gate stroke allow the valve to close through a standing product column.

  • Sizes: DN 200 to DN 800
  • Flange: DIN EN 1092-1 PN 10
  • Pressure ratings (depending on nominal size): up to PN 10
  • Face-to-face dimension: Manufacturer's standard and EN 558-1, Series 16 (DIN 3202 K3)
  • Temperature range: -50°C to +400°C
  • Coating: EKB, both inside and outside
  • Colour: RAL 9005, electrically conductive
  • Certifications: CE-Marking, FDA approval EU 1935/2004, ATEX

Applications and Industries

  • Pulverized coal firing systems
  • Cement plants
  • Steel plants
  • Power plant industry
  • Petrochemistry
  • Chemical industry
  • Silo installations
  • Solids (granules, powder)
  • Bulk goods technology
  • Dosing of solids

Materials

Body

Ductile iron (GGG40/EN GJS-400-15), Stainless steel 1.4408

Gate

Stainless steel 1.4301 or 1.4571

Seal

NBR, EPDM, FPM, PTFE, PU

Packing

PTFE/NBR, Graphit

* If you have any other material requirements, please contact us!

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