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International Processing Trade Fair for Powder, Bulk Solids, Fluids and Liquids

23 - 25 September 2025 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2023
Zoom Image LOGO_Knife gate valve AT200

Knife gate valve AT200

LOGO_Knife gate valve AT200

Knife gate valve AT200

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Technical data
Lug type knife gate valve for installation between flanges acc. to EN 1092-1 / PN 10. DN 200-DN 400 also available in PN 16. Also suitable for dead-end service. Two-piece body, bidirectional tight shutoff. Metal guided plate, locked when closed. Self-adjusting COMPACT cross seal, no necessity for gland packing – maintenance-free. Self - cleaning flush-out corners with cutting edge in the lower body area.

Sizes DN 50 - DN 1800
Face-to-face dimension according to EN 558-1 line 20/16 (DIN 3202 K1/K3)
Body GG25, EN GJL-250/GGG40, EN GJS-400-15, Stainless steel 1.4408
Coating EKB, both inside and outside
Colour RAL 5010
Plate Stainless steel 1.4301, 1.4571, 1.4462 etc.
Sealings NBR (EPDM, FPM, PTFE, ceramic fibre etc.)
Certifications CE-Marking, FDA approval, ATEX, SIL

Applications and Industries
Biogas plants
Sewage plants
Waste water treatment plant
Pump stations
Organical fermentation plants
Coal-fired power plant
Paper industry
Ship construction
Storm water holding tank
Recycling of waste
Wast incineration plants
Chemical industry
Coal-fired power plant
Power plant industry
Petrochemistry
Cement industry
Sludge treatment
Water treatment
Breweries
Food industry

https://www.gefa.com/en/products/gefa-processtechnik/valve-technology/knife-gate-valves/at200-detail

POWTECH offers concrete solutions for packaging-intensive industries. Industry guide



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