PA series:Centreline-mounted single-stage overhung pumps (OH2)

BEGEMANNCentrifugal Process Pumps

®

PA series: Centreline-mounted single-stage overhung pumps (OH2)

The BEGEMANN PA range consists of single-stage, heavy duty process pumps for petroleum and gas industry services. Pumps are designed to comply with API 610-9th Edition (ISO 13709). All pumps have a back pull-out facility that allows the complete rotating assembly to be removed without the suction or discharge pipework. The Weir BEGEMANN brand has been supplying pumps to the API and petrochemical industries for over 40 years. The heavy duty, rigid and compact design, which is unique for the BEGEMANN PA range results into lower vibration levels, lower maintenance, longer MTBF and longer seal life.

Bearing BracketBearing bracket with air fins and oil bath lubrication. Stiff and conical shaped for increased rigidity, resulting in lower vibration levels.

Bearing ProtectionLabyrinth type enclosures with non-sparking deflectors, which retain oil and exclude atmospheric contaminants and moisture.

Centreline SupportHeavy duty centreline-mounted design to withstand 2x API table nozzle loadings.

Pump CasingDouble volute from 4" discharge to decrease radial forces.

Renewable Wear RingsImpeller and casing wear rings on both suction and discharge side.

BEGEMANNCentrifugal Process Pumps

®

Specification

Applications• Hydrocarbon transfer• Hydrocarbon feeding• High temperature hydrocarbon transfer• High temperature process pumps for refinery and petrochemical process• Fuel transfer• Jetty loading• Booster pumps• Lube oil pumps

Technical Data• Capacity : Up to 2000 m3/h• Differential head : Up to 350 mlc• Working pressure : Up to 65 bar• Test pressure : Up to 97,5 bar• Temperature : -100°C up to +450°C• Frequency : 50 & 60 Hz

Sealing Options• API 682 single cartridge seals• API 682 double cartridge seals• Seal support systems and vessels

Bearing Arrangement• Thrust: duplex, angular contact ball• Radial: roller element bearing to increase lifetime

Optional Features• Low NPSH impellers available to avoid inducers• Flange rating 600 lbs. RF• Outboard fan cooling on bearing bracket• Inboard heat sink type flinger on bearing bracket• Finned tube water cooler on bearing bracket• Fully jacketed pump casing• INPRO type bearing isolators• Connections for oil mist lubrication• Tapered roller bearings for high suction pressures

Pump Materials• API tables S-1, S-5, S-6, C-6, A-8, D-1, D-2• Other materials and combinations can be supplied

Pump Rotation• Clockwise looking on pump drive end

ShaftA stiff and compact design to limit shaft deflection for extended seal performance. The shaft is fully protected against pump fluid (dry shaft).

API 682 Seal ChamberAPI 682 seal chamber and flush piping for improved seal life. Single or dual cartridge type mechanical seals available.

ImpellerPrecision casted impeller, for optimum hydraulic performance.

Back Pull-OutBack pull-out design to remove the rotor without disturbing the driver and the system pipework.

The BEGEMANN PUMPS range of API 9th edition (ISO 13709) OH2 design is available for hydrocarbon processing, upstream oil and gas production and special applications in the petrochemical industry.The PA pump model has a complete and extensive range of pump sizes (80 models) to ensure optimum selections between 80-110% of BEP.

PA end suction range: 2 pole 50Hz

Family curves 50 cycles/3000 RPM

PA end suction range – 4 pole 50Hz

Family curves 50 cycles/1500 RPM

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Weir: Reliably innovative

Weir delivers innovative products. Weir utilises the well-proven "lean production system". This single flow, lean manufacturing process with dedicated production units means less wastage and greater efficiency, enabling us to provide the highest standard pumps and components.

Designed to simplify maintenance and reduce whole life costs

The BEGEMANN PUMPS are designed to make maintenance straightforward, minimise operation costs and increase product life span.

When designing our OH2 pumps, special attention has been paid to maximise efficiency and lower the NPSHr values. Due to the rigid and compact design vibration levels are very low in the operating range, leading into longer bearing and mechanical seal life. This also results in low emissions to the environment and low maintenance cost.

Weir Minerals Netherlands b.v.

Tel: +31 (0)77 389 52 00 Fax: +31 (0)77 382 48 44 Email: weir@weirminerals.com www.weirminerals.com

P.O. Box 249, 5900 AE Venlo, the NetherlandsEgtenrayseweg 9, NL-5928 PH Venlo 4495Registration No.: 12032525

Copyright © Weir Minerals Netherlands b.v. 2004