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Pneumatic flange desulfurization butterfly valve
Product model: D641F
Nominal diameter: DN50~1200mm
Nominal pressure: PN0.6 ~ 1.0mpa
Applicable media: gypsum slurry, limestone slurry, recycled water, process water, waste water
Applicable temperature: ¡Ü100¡æ
Operating temperature: normal temperature
Connection type: flange
Main materials: gray cast iron, ductile iron, carbon steel
Product details


Key performance specifications

Suitable temperature Applicable medium
Natural rubber¡Ü85¡æ Gypsum slurry, limestone slurry, recycled water, process water, wastewater
EPDM¡Ü100¡æ

Main parts material

Name Material
valve body Gray cast iron, ductile iron, carbon steel
Butterfly plate Carbon steel coated rubber, carbon steel coated fluoroplastic, stainless steel duplex stainless steel plate 1.4529, C276
Seat Natural rubber, EPDM
Stem Stainless steel, 2Cr13,304




Main external dimensions and connection dimensions (mm)



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