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Gefa AT200 R Knife Gate Valve

BRAND : Gefa

TYPE SDR – AT 200 R

DN 50 – DN 1200
Control knife gate valve

Technical data
With optimised control plate designed for precise air volume control with almost linear control function, e.g. for ventilation tasks in sewage installation plants. Lug type knife gate valve for installation between flanges acc. to EN 1092-1 / PN 10. 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 fo...

Details

TYPE SDR – AT 200 R

DN 50 – DN 1200
Control knife gate valve

Technical data
With optimised control plate designed for precise air volume control with almost linear control function, e.g. for ventilation tasks in sewage installation plants. Lug type knife gate valve for installation between flanges acc. to EN 1092-1 / PN 10. 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.


Face-to-face dimension
according to EN 558-1 line 20 (DIN 3202 K1)
Body
GG25, EN GJL-250/GGG 40, EN GJS-400-15
Coating
EKB, both inside and outside
Colour
RAL 5010
Plate
Stainless steel 1.4301, or 1.4571
Sealing
NBR (EPDM, FPM, PTFE)

Applications & Industries
Oxygenation of sludge tanks in sewage plants
Waste water treatment plant
Paper and pulp industry
Chemical plants
Pumping stations, Storage basin