Ordinal number	Name	Main material
	Pumpbody	HT200 pad F46
	Impeller	The fluorine plastics alloy
	Airproof-ring	Fl-latex
	Pump-cover	HT200 pad F46
	Airproof-cover	1Cr18Ni9Ti
	Machine-airproof	SiC/Horniness alloy
	Nog	HT200
	Pump-axis	45# steel