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Gefa AT200 Knife Gate Valve

BRAND : Gefa

TYPE SD 7 – AT 200

DN 50 – DN 1500

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.


Face-to-face dimension

Details

TYPE SD 7 – AT 200

DN 50 – DN 1500

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.


Face-to-face dimension
according to EN 558-1 line 20/16 (DIN 3202 K1/K3)
Body
GG25, EN GJL-250/GGG 40, 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.
Sealing
NBR (EPDM, FPM, PTFE, ceramic fibre etc.)

Applications & Industries
Bio gas plants (organic fermentation)
Sewage plants
Waste water treatment plant
Ship construction
Paper and pulp industry
Coal mining, Brown coal strip mining
Chemical plants
Pumping stations, Storage basin
Coal-fired power plant
Sugar industry
Food industry
Bitumen manufacturing and subsequent processing
Steel manufacturing industry
Silo-Trucks
Breweries