These pumps are made out of Cast steel,CF8M, CF8 and special material like DSS, Alloy20 etc. Pump Housing and Cast Iron Bearing Housing. Rotors of Hard Chrome Plated Alloy steel , Tool steel , SS 304, SS 316 and the rotating part are of Alloy Steel or Stainless Steel. These pumps are with rugged gear-type universal joint which is the effective solution to handle heavy radical thrust loads. This design ensures best performance with very minimal maintenance, low wear & Tear rotating parts and longer life of pump.