Spare Parts Name: Impeller Brand: Tech macro Original: China The pump impeller is made of rubber or metal,and the metal liner and rubber liner are interchangeable .The back vane can reduce the sealing pressure ,and it can also cut down backflow to the largest extent at the same time . On the other hand ,cast-in impeller threads are more suitable for slurry . Spare parts Name: Bearing assembly Brand: Techmacro The shaft sleeve possesses high hardness which makes it suitable for high abrasive slurry ,and O shaped seal rings are set at both ends to protect the shaft .Sliding fit is used between shaft and sleeve,and it facilitates both assembly and disassembly.On the other hand ,the shaft is designed with large diameter and shortcantilever,and this design can mini mize deflection as well as vibration .In addition ,the heavy duty roller bearing is installed inside the movable bearing cylinder . Spare parts Name: Cover plant liner Brand: Techmacro Original: China The cover plate is produced using elastomer or hard metal ,such as natural rubber,high -chromium alloy,etc. It has various sizes and styles ,and the installation is very easy .Additionally,OEM design is accepted. Spare parts Name: Cover plant liner Brand: Techmacro Original: China The cover plate is produced using elastomer or hard metal ,such as natural rubber,high -chromium alloy,etc. It has various sizes and styles ,and the installation is very easy .Additionally,OEM design is accepted. Package:Standard export plywood case Delivery date:30 days for pump available at factory by receipt of prepayment. Packaging Details:The normal package is wooden box(Size: L*W*H). If export to european countries,the wooden box will be fumigated.If container is too tigher,we will use pe film for packing or pack it according to customers special request.