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Knife gate valve SD1 - AT100

Wafer type knife gate valve

Knife gate valve SD1 - AT100

Technical data

Wafer type knife gate valve for installation between flanges, from DN 250 onwards also available as a lug type execution for flanges according to EN 1092-1 / PN 10.

Two-piece body, bidirectional tight shutoff, metal-guided gate locked when closed, self-adjusting COMPACT cross seal to atmosphere, no gland packing required – maintenance-free, self-cleaning flush-out corners with cutting edge in the lower body area.

  • Sizes: DN 100 to DN 400
  • Pressure ratings (depending on nominal size): up to PN 10
  • Flange: DIN EN 1092-1
  • Face-to-face dimension: according to EN 558-1 line 20 (DIN 3202 K1)
  • Temperature range: -10°C to +250°C
  • Coating: EKB, both inside and outside
  • Colour: RAL 5010
  • Certifications: CE-Marking, FDA approval (seals only), ATEX (zone 0/20)

Applications and industry

  • Biogas plants
  • Sewage plants
  • Waste water treatment plant
  • Pump stations
  • Organical fermentation plants
  • Recycling of waste
  • Wast incineration plants
  • Chemical industry
  • Coal-fired power plant
  • Power plant industry
  • Paper and pulp industry
  • Petrochemistry
  • Cement industry
  • Sludge treatment
  • Water treatment
  • Breweries

Materials

Body

Grey cast iron (GG25/EN GJL-250)

Gate

Stainless steel 1.4301, 1.4571

Seal

NBR, EPDM, FPM, PTFE, PU, ceramic fiber, graphite, etc.

Scraper (in sealing groove)

Brass, FRP, PTFE etc.

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

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