AT400 / AT416

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Description

DN 40 – DN 1200

Technical data
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.


Face-to-face dimension
according to e.g. EN 558-1 line 16/25/16 (DIN 3202 K1/K2/K3)
 
Body
GGG 40, EN GJS-400-15, steel,  stainless steel
 
Plate
Stainless steel 1.4301, 1.4571,  1.4462 etc.
 
Sealing
NBR (EPDM, FPM, MVQ, etc.)
 
Applications & Industries
Tunnelling
Waste water treatment plant
Coal mining, brown coal strip mining
Chemical plants
Pumping stations, storage basin
Coal-fired power plant

 

product information - series Domino (2.23 MB)