Numerous Impeller and Casing Designs allows the hydraulics to be tailored to the service requirements.

Front and Rear Repelling Vanes replace erosion-prone wear rings.

A Sparger System with it’s agitation ring around the pump casing keeps coke particles in suspension to prevent silting-in of the pump. The ring is fed by either water from an outside source or through a filtration system.

Sleeve Bearing Flush System prevents coke fines from entering the column pipe.

Multiple Corrosion- and Abrasion-resistant Materials are available to suit application needs. Hard facing is avaialble on critical shaft areas.

Typical Operating Parameters (custom designs available for limits exceeding those listed)

• Flows to 1500 m³/h (6600 gpm)
• Heads to 150 m (492 ft)
• Speeds to 1800 rpm

Numerous Impeller and Casing Designs allows the hydraulics to be tailored to the service requirements.

Front and Rear Repelling Vanes replace erosion-prone wear rings.

Sleeve Bearing Flush System prevents solids from entering the column pipe.

Deep Sump Settings in excess of 6 m (20 ft) available.

Multiple Corrosion- and Abrasion-resistant Materials are available to suit application needs. Hard facing is avaialble on critical shaft areas.

Numerous Options allow the pump to be customized to precisely fit site and performance needs:

• Inducer
• Suction tailpipes
• Packing or mechanical seals
• Drivers (direct, V-belt, VFD, steam turbine and gear)

Typical Operating Parameters (custom designs available for limits exceeding those listed)

• Flows to 1500 m³/h (6600 gpm)
• Heads to 150 m (492 ft)
• Temperatures to 593°C (1100°F)
• Speeds to 1800 rpm

Vertical, Top-Entry Tank Mounting eliminates potentially hazardous side or bottom connections.

A Gas Mechanical Seal provides the lowest fugitive emissions without complex piping, instrumentation or regulation. A complete instrumentation package is available to control the flow of buffer gas to the seal chamber and monitor critical operating parameters.

An Optional Emergency Seal isolates the storage vessel from the atmosphere should a packing or mechanical seal failure occur.

An Optional Excess Flow Check Valve operates independently to stop the flow of liquid chlorine should a downstream line rupture occur while the pump is running.

Numerous Materials of Construction are available to suit application requirements.

The Diffuser Casing Design completely balances the radial thrust. Regardless of the number of stages used, or the head developed by the pump, the radial load carried by the sleeve bearings is minimal.

An Optional Inducer can be added to reduce NPSHR to minimize tank inventory.

Typical Operating Parameters (custom designs available for limits exceeding those listed)

• Flows to 182 m³/h (800 gpm)
• Heads to 244 m (800 ft)
• Temperatures from -51°C (-60°F) to 52°C (125°F)

Elbow Axial Flow Pump Typical Operating Parameters (custom designs available for limits exceeding those listed)

• Flows to 34 065 m³/h (150 000 gpm)
• Heads to 11 m (36 ft)
• Pressures to 10.3 bar (150 psi)
• Temperatures to 149°C (300°F)

High-Pressure Loop Reactor Pump for Polyethylene Production Features

• High-pressure Elbow Casing is designed, fabricated, and tested per ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 and applicable international standards.
• Propellers are engineered with steep pump head curves to ensure process performance requirements are met while allowing superior process control.
• Tripe Seal Arrangement is standard on large pumps, providing added safety and increased reliability over alternative design.
• API Plan 32/53C/52 seal support systems ensure adequate seal face lubrication and cooling for proper operation.
• Other seal arrangements and support systems are also available.
• Internal Anti-Friction or Sleeve Bearings are self-aligning and support radial and axial loads.
• Cantilevered shafts are typically utilized on pumps with discharge sizes up to 12 inches.
• Standard Flanges are ASME B16.5 or B16.47, Class 600 weld neck, but alternative ratings and type may be specified.
• Custom flanges are also available.
•  Drive options include: direct, variable speed, cardan shaft and V-belts.

Typical Operating Parameters (custom designs available for limits exceeding those listed)

• Flows to 18 180 m³/h (80 000 gpm)
• Pressures to 100 bar (1450 psi)
• Temperatures to 349°C (660°F)
• Heads up to 40 m (131 ft)

Custom Engineered Slurry Hydraulics ensure safe, reliable and efficient performance.

Heavy-duty Stainless Steel Construction is typically utilized to equalize thermal growth and resist distortion without an external cooling system. Alternative materials, including carbon steel and nickel-based alloys, are also available to suit service needs.

The Impeller is keyed to the pump shaft and secured using an impeller nut. Clearances are easily adjustable at the thrust bearing location. Repelling vanes reduce wear and recirculation.

Shafts are designed to operate approximately 30% below the first critical speed.

Shaft Sealing is accomplished via packing with a nitrogen purge to prevent fugitive emissions and reduce heat conduction.

Heavy-duty, Anti-friction Thrust and Radial Bearings are located above liquid level and accommodate all axial and radial loads without transmitting any loads to the driver.

Many Options are available to suit site requirements. These include:

• Inducer
• Suction tailpipe
• Basket-type screen
• Several driver types

Typical Operating Parameters (custom designs available for limits exceeding those listed)

• Flows to 4542 m³/h (20 000 gpm)
• Heads to 91 m (300 ft)
• Temperatures to 593°C (1100°F)

Custom Engineered Slurry Hydraulics ensure safe, reliable and efficient performance.

High Chrome Iron Wet End resists abrasion. Heavy wall thickness on the wearing parts provides for longevity.

The Impeller is keyed to the pump shaft and secured using an impeller nut. Clearances are easily adjustable at the thrust bearing location. Repelling vanes reduce wear and recirculation.

Shafts are designed to operate approximately 30% below the first critical speed.

Shaft Sealing is accomplished via packing with a nitrogen purge to prevent fugitive emissions.

Heavy-duty, Anti-friction Thrust and Radial Bearings are located above liquid level and accommodate all axial and radial loads without transmitting any loads to the driver.

Many Options are available to suit site requirements. These include:

• Inducer
• Suction tailpipe
• Basket-type screen
• Abrasion- or corrosion-resistant materials of construction
• Several driver types

Typical Operating Parameters (custom designs available for limits exceeding those listed)

• Flows to 4542 m³/h (20 000 gpm)
• Heads to 91 m (300 ft)
• Temperatures to 593°C (1100°F)

Numerous Casing and Impeller Hydraulics are available to precisely fit performance requirements. Configurations include bottom suction, top suction, double-suction, double volute, slurry and non-clogging designs.

The Impeller is keyed to the pump shaft and secured using an impeller nut. Clearances are easily adjustable at the thrust bearing location.

The Shaft prevents is designed to operate approximately 30% below the first critical speed. The pump can operate over the complete capacity-head range without restriction.

Heavy-duty, Anti-friction Thrust and Radial Bearings are located above liquid level and accommodate all axial and radial loads without transmitting any loads to the driver.

Grease Lubrication is standard, although oil mist, forced oil, or internally circulated self-contained oil lube systems are available.

Dry-run capability with no adverse affects.

Many Options are available to suit site requirements. These include:

• Inducer
• Suction tailpipe
• Mechanical or hydraulic agitation
• Basket-type screen
• Abrasion- or corrosion-resistant materials of construction
• Several driver types

Typical Operating Parameters (custom designs available for limits exceeding those listed)

• Flows to 4542 m³/h (20 000 gpm)
• Heads to 91 m (300 ft)
• Temperatures to 593°C (1100°F)

Replaceable Mechanically Fastened Liners completely protect the pressure casing from erosion and abrasion. The cost of replacing the renewable liners is only a fraction of the replacement or repair cost of a coated ISO/API pump pressure casing.

Casing Penetrations, including the vent and drain, are protected from the effects of erosion by the renewable liners. Flanges can be machined to most client specifications.

Casing Liners are available in multiple abrasion-resistant materials and surface treatments to meet any process or operational requirement. Pressure casings are available in a variety of materials, including steel, stainless steel, CA6NM and duplex.

Multiple hydraulic sizes are available for each HPX6000 pressure shell. By changing the casing liner and impeller, pump performance can be altered without modification to the piping or foundations.

Front and Rear Repelling Vanes on the HPX6000 replace erosion-prone wear rings.

Barske-style Impeller and matching volute allows the HPXM6000 to operate at low flows near BEP while minimizing radial loads.

Inducers are available for low-NPSHA applications.

Unique Integral Jacket Design completely encompasses the wet end, ensuring even heating and protection against cold spots. The integral design is more efficient and reliable than bolt-on jackets.

Casings can be fully inspected and hydrotested before the jackets are welded in place.

The Sealing System is specifically designed to prevent the solidification in the seal face area. Seal chambers are designed to accept a broad range of mechanical seal configurations.

Back Pull-out Design simplifies internal inspection and maintenance by allowing removal of the entire rotating element and bearing frame without disturbing the piping or motor.

Inducers are available for low-NPSHA applications.

Typical Operating Parameters (custom designs available for limits exceeding those listed)

• Flows to 1816 m³/h (8000 gpm)
• Heads to 213 m (700 ft)
• Pressures to 62 bar (900 psi)
• Temperatures to 371°C (700°F)