MBN Medium Pressure Stage Casing Pumps Brochure

MBN Multistage Ring Section PumpsSulzer PumpsThe Heart of Your Process2Sulzer PumpsExtensive Knowhow for Many ApplicationsThe development of the MBN pump type was driven by stringent needs from the power generation, the water and the pulp and paper industries.The MBN multistage ring section pump is ideal for a wide range of applications such as:• Feed water supply in boiler plants• Condensate supply in power sta-tions and industrial plants• Desalination (Reverse Osmosis)• Shower water in paper mills• High pressure pumps in various industriesMBN Global Manufacturing FacilitySulzer Pumps Kotka, FinlandSulzer Pumps is one of the world leaders in state-of-the-art pump-ing solutions. Combining engi-neering and application expertise, our solutions add value and strengthen the competitive posi-tion of our customers. Thanks to a global network of manufacturing facilities, sales of-fices, service centers and repre-sentatives, we can provide fast responses to customer needs.Sulzer Pumps is a well-recognized player in the following industries:• Oil and Gas• Hydrocarbon Processing• Pulp and Paper• Power Generation• Water• General Industry• Chemical Process Industry3MBN Multistage Ring Section PumpsMBN type pumps are horizontal, radially split, ring section pumps with modular design.They are suitable for pumping clean or slightly polluted, hot or cold, chemically neutral or aggressive liquids. Wherever a robust pump for highpressure applications is needed, the MBN fulfills all requirements.Materials50 HzSuction casing Stage casingDischarge casingChromium steel, Duplex, SuperduplexShaft seal housing Chromium steel, Duplex, SuperduplexImpellers Chromium steel, Duplex, Superduplex Shaft Shaft sleeves Duplex, SuperduplexBearing bracket Cast iron4Design Features and BenefitsHydraulics• Special suction impeller for low Net Positive Suction Head Requirements (NPSHr)• High quality investment cast impellers and stage casings for better efficiencyMechanical Design• Keyless polygon shaft torque transmission to the impellers• Split ring fixing for impeller stack to accommo-date thermal expansion• Innovative journal bearing design for better internal alignment and lubrication• Axially fixed shaft assembly5Polygon Impeller Mounting• Allows a fast and easy mounting of the impeller on the shaft.• Maintains straightness of the shaft• Decreases deflection and stress points• Eliminates the need of standard keyed designBearing Unit• 4 bearing units serve 6 hydraulics• Same bearing housing for both oil and grease lubrication• Increased oil sump for better heat dissipation• Inpro™ metallic bearing isolators• Constant level oiler maintains optimum oil level• Grease lubrication for temperatures up to 120 °C (240 °F)• Oil lubrication for temperatures up to 180 °C (350 °F)• Bearing unit can be serviced without disassembling the pumpShaft Sealing• Separate seal chamber enables the seal type to be changed without having to replace the suction casing• Mechanical seal (single and double), dynamic seal and gland packing are available• Shaft sealing only required on the low pressure suction side• Shaft seal can be serviced without disassembling the pumpBaseplate• Fabricated steel, painted or hot-dip galvanized• To be grouted at installation site6Different suction and discharge flange orientations (left-up-right) allow individual customer flexibility during installation and simplify piping design.Flange Connection Options1 2 3 4 5 6 7 8 9Shaft Sealing OptionsSingle Mechanical SealThe standard mechanical seal is an integrated design for increased reliability.A large variety of other mechanical seals with different fittings gives the flexibility to choose the right seal according to the application and customer’s specification. • MS 11 unflushed: up to 90 °C (194 °F)• MS 12 + Plan 11: up to 140 °C (280 °F)• Plan 23 with pumping ring: up to 180 °C (350 °F)Dynamic SealDynamic seals do not need external sealing water or sealing water piping thus reducing instal-lation, operating and maintenance costs.• up to 100 °C (210 °F)Double Mechanical SealDouble seal minimizes the need for sealing liquid. New sealing control equipment for double mechanical seals can save more than 90 % of the sealing liquid required by conventional equipment.• MS 21 + Plan 54: up to 180 °C (350 °F)71 10 100 1,000Capacity Q (m /h)3100101,000Head H (m)Capacity Q (USgpm)330304 40 440 4,4403,200Head H (ft )Operating DataPerformance Ranges50 Hz60 Hz50 Hz 60 HzPump sizes from 25 mm to 150 mm from 1 to 6 inchesCapacities up to 700 m3/h up to 3,080 USgpmHeads up to 900 m up 2,950 feetPressures up to 100 bar up to 1,450 psiTemperatures up to 180 °C up to 350 °FE00657 en (6) 10.2012 (1,000), Copyright © Sulzer PumpsThis brochure is a general presentation. It does not provide any warranty or guarantee of any kind. Please, contact us for a description of the warranties and guarantees offered with our products. Directions for use and safety will be given separately. All information herein is subject to change without notice.www.sulzer.com