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  1. Hydraulics - Pneumatics
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Knife gate valve AT 200
pneumatically-operatedfor wastewaterfor sludge

Knife gate valve - AT 200 - GEFA Processtechnik - pneumatically-operated / for wastewater / for sludge
Knife gate valve - AT 200 - GEFA Processtechnik - pneumatically-operated / for wastewater / for sludge
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Characteristics

Type
knife gate
Operation
pneumatically-operated
Media
for wastewater, for sludge, biogas
Body$
flange, lug type, 2-piece
Applications
for the chemical industry, for the food industry, for the petroleum industry, for water treatment, for shipbuilding, pump, for the paper industry, cement, sludge
Material$
stainless steel
Associated function
sewage
Other characteristics
DIN, compact, bidirectional, ATEX
DN

Min.: 50 mm
(1.969 in)

Max.: 1,800 mm
(70.866 in)

Pressure

10 bar, 16 bar
(145 psi, 232.1 psi)

Temperature

Min.: -30 °C
(-22 °F)

Max.: 200 °C
(392 °F)

Description

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/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 (zone 0/20), SIL

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