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Description Material Performance Product Size Specifications

Part name	Valve body and butterfly plate	component	Gasket (valve body, butterfly plate)
Material Science	Carbon steel (nickel)	2Cr13	Nitrile rubber
	Stainless steel	Stainless steel	Fluorine rubber / nitrile rubber

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Shape and connection dimensions(mm)：

Design and manufacture	Connecting flange	Test and test
JB/T4079-91	JB/T919 GB/T6070	JB/T4079 JB/T6446

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