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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
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Materials
Body:Ductile iron(GGG50)
Disc:Ductile iron(GGG50)
Shaft:Stainless steel(420)
Counterweight:Cast Iron
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