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RSU

Axial flow centrifugal pump in metal

Horizontal chemical circulating pump type RSU is designed for high flow rates at relatively low heads. By using specially designed screw impellers or propellers in Siguss is excellent suitability for the circulation of different acids, e.g. for the evaporation of spent and contaminated sulphuric acids as well as for the concentration of raw phosphoric acid. In order to achieve a sufficiently resistant - usually difficult to cast and machinable - materials, armoured versions are available.

Design Features

Design

Axial flow pump

Material

Metal

Size

DN 250 - DN 500

Impeller

Open

Delivery rate

Qmax. = 3.400 m3/h

Delivery head

Hmax. = 6 m

Temperature

-40 °C to 150 °C

Nominal pressure

6 bar

Circulation of acids in a wide variety of concentrations, temperatures and solids contents, old or weak contaminated acids in condensation and upgrading plants.

Norm

ISO 5199

Type

Horizontal, single-stage

Casing design

Cast pipe elbow

Impeller

Open

Bearing lubrication

Grease lubrication

Installation versions

Base plate, base frame or unfounded installation

Motor coupling

Direct coupled or with V-belt drive

Ambient temperature

-20°C to 60°C

Solid content limit value

approx. 35 %

Hydrodynamically, pneumatic stationary seal

  • SIGUSS