Impeller is the key wet part of the slurry pump. The slurry with paticles goes through the impeller. The material of impellers must be abrasion-resistant and corrosion-resisitant.

slurry pump impeller material

Part Name	Material	Specification	HRC	Application	OEM Code
Impeller	Metal	AB27: 23%-30% chrome white iron	≥56	Used for higher wear condition with pH between 5 and 12	A05
		AB15: 14%-18% chrome white iron	≥59	Used for higher wear condition	A07
		AB29: 27%-29% chrome white iron	43	Used for lower pH condition especially for FGD. It also can be used for low-sour condition and desulfuration installation with pH no less than 4	A49
		AB33: 33%-37% chrome white iron		It can transport oxygenated slurry with pH not be less than 1 such as phospor-plaster, nitric acid, vitriol, phosphate etc.	A33
	Rubber				R08
					R26
					R33
					R55

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