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Knife gate valve SD4/9 - AT400/416

Knife gate valve with completely round bore

Technical data

Knife gate valve with completely round bore – with a special design according to customer requests possible.

Lug type knife gate valve for installation between flanges acc. to EN 1092-1 / PN 2,5-PN 40. Special pressure classes, lengths and nominal sizes possible. Also suitable for dead-end service (SD 9). Two-piece body, bidirectional tight shutoff. Metal guided plate, locked when closed. Self-adjusting COMPACT cross seal.

Optional: secondary sealing, readjustable from the outside. Cutting edge in the lower body area.

  • Sizes: DN 40 - DN 1200
  • Face-to-face dimension: according to e.g. EN 558-1 line 20/16/25 (DIN 3202 K1/K2/K3)
  • Certifications: CE-Marking, FDA approval, ATEX

Applications and Industries

  • Tunneling
  • Waste water treatment plant
  • Coal mining
  • brown coal strip mining
  • Chemical plants
  • Pump stations
  • Retaining basin
  • Coal-fired power plant
  • Mining

Materials

Body

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

Gate

Stainless steel 1.4301, 1.4571, 1.4462, etc.

Seal

NBR, EPDM, FPM, MVQ, etc.

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

Further information

Technical data sheets available on request.

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