Performance range:Size:1-18inchesCapacity:3-5000m3/hHead:5-95mMaterial:Cr27,Cr28,CD4MCu,rubber liner materialSeal:packing seal,expeller seal,mechnical seal.Design featuresType HHD pump are cantilevered,horizontal,centrifugal slurry pumps.They are suitable for delivering low density slurries for metallurgical,mining,coal and building material departments.The shaft seal adopts both gland seal and centrifugal seal.Type HHDpumps operate in high speed with small volumes to save floor area.The frame plates have changeable,wear-resistant metal liners rubber liners and the impeller are made of wear-resistant metal or rubber.It applies to the high head duty .