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Butterfly type swing check valve with counterweight,PN10/16

Design standard:BS EN12334

Flange :EN1092-2,BS4504,JIS 10K or ANSI B16.1

Face to face:DIN3202 F4,(ISO 5752 S14)

Test standard:BS 6755

Working Pressure:PN10,PN16

Working Temperature:0-80℃

Size :DN200-DN600


Body:Ductile iron(GGG50)

Disc:Ductile iron(GGG50)

Shaft:Stainless steel(420)

Counterweight:Cast Iron

Butterfly type check valve with counterw
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