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Our experience in the fluids industry has made INDUSTRIAL PUMPING the preferred supplier of pumps, filtration and fluid control equipment, to many world respected mines, councils, oil palm mills, sugar mills, public utilities, and factories, in Australia, Papua New Guinea, and South Pacific Islands.
SULZER AHLSTAR™ Process Pumps
The AHLSTAR™ product line offers a wide range of hydraulic sizes to guarantee minimum power consumption. Pump hydraulics, casings and impellers are designed to optimize fluid handling capabilities. Stocks are pumped like water. Particles in sludges do not accumulate in the pump, or slurries are effectively channelled so as not to cause wear. The impeller hub design ensures a smooth flow and helps to avoid spinning and plugging. The back vanes of the impeller keep the area between the impeller and the casing cover clean, and reduce the axial load on the bearings.
Features and Benefits
A double volute casing in larger AHLSTAR™ pumps reduces radial forces and shaft deflection. The self-venting, top centerline casing prevents air-lock in the top of the casing. The side plate is adjusted externally to maintain a constant impeller clearance and continuous high efficiency.
An Impeller Tailored for Each Liquid
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Open Impeller
This is designed and suitable for liquids containing solid particles, long fibers, abrasive liquids or stock up to 8 % consistency. |
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Non-clogging Closed Impeller
This is used for sludges or slurries containing big solid particles. |
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Vortex Impeller
This is suitable for liquids containing big or long solid particles or abrasive liquids.
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Wear Resistant Open Impeller
This is suitable for liquids with bigger solid particles and long fibers, abrasive liquids or stock up to 8% consistency.
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Different Seal Options
1. Dynamic Seal
Dynamic Seal is specially designed for fibrous liquids such as paper stock and other difficult liquids. The Dynamic Seal requires no external sealing water. It is essentially maintenance free and offers outstanding reliability. The well proven and highly successful Dynamic Seal has been given a new generation of additional properties. With the latest construction, we are able to enlarge its operational limits, and low or occasionally high liquid level pump suction and even light vacuums, can now be handled. This new development permits pumping liquid temperatures in excess of boiling point.
2. Mechanical Seals
Various mechanical seal configurations are available. For difficult applications “ready-fitted” seals are especially recommended. For extremely corrosive applications, a ready-fitted seal can be selected with the same exact construction material as the pump casing itself.
3. Gland Packing's
A gland packing with external flushing prevents the pumped liquid from precipitating into the sealing housing. The flushing liquid is mixed with the pumped liquid. Alternatively the external flushing has an outlet connection.
Materials Combinations Available
Performance Curves
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