rectangular section volute spring
A volute on a Corinthian or Ionic capital.
A method to determine low noise fan volute structure is provided.
It is found that vane diffuser restrains the influence of the volute on the impeller.
The volute suction shall contain a replaceable 400 Series stainless steel wear ring to match the impeller wear ring.
The unit shall be field convertible to a portable pump by means of removal of the guide bracket from the pump volute, without modification.
