Description

Description of XA Bare Shaft Centrifugal Pumps

XA series bare shaft single stage centrifugal pumps, which is a back-open type pumps, dismantle the pump cover and the impeller without to take out the suction and discharge piping, in the bearing bracket, there are two ball bearings which lubricated by oil or grease. The mechanical seal and packing universal external installed are optional upon request,  the pump is driven through the flexible coupling from a motor direct.

The volute casing, foots and both suction and discharge flanges are cast integrally in one piece.

Bare Shaft Centrifugal Pumps Performance Range

Bare shaft centrifugal pumps XA main performance range:

Discharge size: 32 to 250mm
Flow rate up to 200 l/s
Head up to 120m

Operating Limits:

Liquid temperature: -10 to 85 Cent. Degree
Working Pressure: 1 Mpa (1.6 Mpa is available upon request)
Standard: EN 733 /DIN 24255
Flange opening and other dimension confirm to standard ISO 2084 PN16

Back-Pull-Out Design
Feature allows the whole rotating element to be removed for maintenance without disturbing pipework.

High Interchangeability
Most of the parts are interchangeable, reduce the cost of operation.

Excellent Bearing Housing Design
Incorporated with lifting eye to simplify removal of the rotating element during maintenance, safe guards are installed to prevent rotating shaft from human reach while in operation.

Application:
General purpose water transfer and pumping
Pressure boosting and water supply
Chilled & condenser water circulation in central air-conditioning system
Circulation in hot water systems
Machine cooling water circulation
Swimming pool
Fire-fighting & fire sprinkler applications
Irrigation and drainage
Water treatment and process industry

Main materials
Volute casing: Cast iron
Pump Cover: Cast Iron
Shaft: Carbon Steel or stainless steel
Impeller: Cast iron or Bronze or Stainless steel
Shaft seal: Gland packing seal or Mechanical Seal

 

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