Suguna SWH31 - 7.5 HP Centrifugal Monoblock Pump - An arrow cast on the pump casting indicates the direction of rotation. It is recommended to fill the pump casing with water before starting the operation. User should not run the unit gate valve closed. To avoid the rusting issue of the pump casing, it is suggested to run the unit for some time regularly. The pump is a single or three-phase self-priming type with cast iron impellers. Suguna Centrifugal Monoblock pump is hydraulically tested. It is suitable for working the machine with fresh water or fluids that are not chemically violent towards the components of the pump. 7.5 HP Centrifugal Monoblock Pump is mostly used for agriculture, industrial, civil, etc. as the pump have high consistency and strength.