High Pressure Centrifugal Pumps LHK & MHK & HK

High Pressure Centrifugal Pumps LHK & MHK & HK

2 Applications Technical Design Fields of Application Handling of corrosive and abrasive liquids with up to 5 % solids Design Horizontal, radial split, ring section multistage pump with radial impellers and single flow entry Connections Pump with one or two connective shaft ends Flange dimensions according to DIN or ASME standards Pump nozzle location rotatable in 90 steps Materials of Construction DÜCHTING PUMPEN High Pressure Pumps are built in several different material combinations. We can offer the pumps from cast iron with bronze impellers, over high quality stainless steel, up to DUPLEX stainless steel or even SUPER DUPLEX stainless steel Mining applications mostly require corrosion and abrasion resistant materials Pump types LHK DN 32 to DN 250 Capacity: up to 1500 m³/h Pressure: up to 40 bar Manufacturing Machining and balancing using latest multiple axis machines to achieve superior precision and Precision Casting Impellers und diffusers are cast by using ceramic patterns to get smooth surfaces for outstanding hydraulic MHK DN 150 to DN 250 Capacity: up to 1200 m³/h Pressure: up to 64 bar Quality Assurance HK DN 40 to DN 300 Capacity: up to 2160 m³/h Pressure: up to 160 bar acc. to ISO 9906-I To ensure highest quality, every pump is tested and certified on our test bed according to international standards 3

4 Sectional View Suction Chamber with advanced design for constant inlet velocities Discharge Casing optimizied by numerical calculations to achieve best outflow conditions Diffuser with reduced impact losses due to CFDoptimized flow channels Balancing Device axial thrust compensation by balancing discs or balancing drums Wear Rings for minimizing flow losses and for outstanding reliability Bearings supplied with grease - or oil-lubricated anti-friction bearings for long-life Impeller design in consideration of optimal specific speed cast in ceramic patterns. Different impeller sets available for every pump size 5

6 Performance Data Life-Cycle Costs 1485 rpm (50 Hz) 440 Capacity [US Gallon/Min] 2200 4400 In order to meet the current demand for highly efficient and reliable products, DÜCHTING PUMPEN offers optimized high-pressure pump units. HK 150-350 HK 150-450 HK 200-580 HK 200-750 HK 250-970 HK 250-1250 HK 300-1400 HK 300-1800 To minimize total project costs, we are at your service during LHK 125-185 LHK 125-240 LHK 150-315 LHK 150-410 LHK 200-535 LHK 200-700 LHK 250-915 LHK 250-1200 CONSULTANCY 100 Total Head [Meters] 200 Total Head [Feet] DESIGN 10 100 Capacity [Meters³/Hour] 1785 rpm (60 Hz) 440 Capacity [US Gallon/Min] 2200 4400 OPERATION HK 150-350 HK 150-450 HK 200-580 HK 200-750 HK 250-970 HK 250-1250 HK 300-1400 HK 300-1800 LHK 125-185 LHK 125-240 LHK 150-315 LHK 150-410 LHK 200-535 LHK 200-700 LHK 250-915 LHK 250-1200 100 Total Head [Meters] 200 Total Head [Feet] Low lifecycle costs due to wide range of high efficiencies by using different impeller sets each pump size 10 100 Capacity [Meters³/Hour] selection of high quality materials high reliability / mean time between failure up to 25.000 working hours short down-time when changing typical wear parts wear-indicator (manual and / or automated) to advise when the pump has to be maintained 7

DÜCHTING PUMPEN 70 years quality through experience DÜCHTING PUMPEN is a privately owned German company with more than 70 years of experience in the field of advanced centrifugal pumps for use in the mining and process industries. Our motto Quality Through Experience forms the basis of our sophisticated product range. The capabilities of our company in the construction, manufacturing, testing and commissioning of our products is highly respected in the industries we serve. Our reputation is based on a sustainable company policy, focusing on efficiency, reliability, innovation and through customer after-sales service, which is established through partners in the countries where our products are installed. Having supplied high-pressure pumps for the mining industry since more than 70 years, DÜCHTING PUMPEN can look back on a large number of references. DÜCHTING PUMPEN Maschinenfabrik GmbH & Co. KG Wilhelm Düchting Str. 22 58453 Witten, Germany Web: www.duechting.com Phone: +49 2302 969 0 Fax: +49 2302 69 04 43 email: info@duechting.com