Gefa AT200 F Knife Gate Valve
BRAND : Gefa
TYPE SD 2 – AT 200 F
DN 200 – DN 1000
Solid material execution
Technical data
Lug type knife gate valve for installation between flanges acc. to EN 1092-1/ PN 10. Also applicable as wafer type and suitable for dead-end service. ATEX approved for category II 1D/2GD c. For granulated solids, such as carbon d...
Details
TYPE SD 2 – AT 200 F
DN 200 – DN 1000
Solid material execution
Technical data
Lug type knife gate valve for installation between flanges acc. to EN 1092-1/ PN 10. Also applicable as wafer type and suitable for dead-end service. ATEX approved for category II 1D/2GD c. For granulated solids, such as carbon dust. Two-piece body with conically designed plate bed milling groove. Lateral plate guidance interrupted alternately in the front and rear body. Bidirectional tight shutoff in both flow directions.
Flange
DIN EN 1092-1 PN 10
Face-to-face dimension
DIN EN 558 line 20
Body
EN-GJL-250 (GG 25), narrowed in the bore
Coating
EKB, both inside and outside
Colour
RAL 9005, electrically conductive
Plate
1.4301 or 1.4571
Scraper
PTFE with MVQ support
Sealing
Ceramic fibre, NBR, EPDM, FPM
Applications & Industries
Dosing and weighing technic
Coal-fired power plant
Chemical plants
as shut-off and dosing gates beneath silos or in down-pipes
for organic dust, as well as corbon-dust, raw flower, cement-dust etc.
