1.The frame plates  have replaceable wear-resistant metal liners or rubber liners. The impellers

        are made of  wear-resistant metal or rubber. The frame plate liner and impeller for HH pump

        are adoptable of hard metal .
     2.Earing assembly use cylindrical structure,adjusting the space between impeller and front liner

        easily,being removed completely when being repaired.

     3.The shaft seal could use the packing seal, expeller seal and mechanical seal.
     4.The discharge branch can be positioned at intervals of 45 degrees by request and oriented to  

        any eight  positions to suit installations and applications.
     5.There are the drive types,such asV belt drive, gear reducer drive,fluid coupling drive, frequency

        drive devices.
     6.Wide performance, good NPSH and high efficiency. The pump of this type may be installed in

        multistage series to meet the delivery for long distance .