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01.12.2004Paul Bungartz GmbH&Co.KG, Germany www.bungartz.com 1 Special Centrifugal Pumps Proved for over 60 years in Fertilizer Industry Chemical / Pharmaceutical.

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Presentation on theme: "01.12.2004Paul Bungartz GmbH&Co.KG, Germany www.bungartz.com 1 Special Centrifugal Pumps Proved for over 60 years in Fertilizer Industry Chemical / Pharmaceutical."— Presentation transcript:

1 Paul Bungartz GmbH&Co.KG, Germany 1 Special Centrifugal Pumps Proved for over 60 years in Fertilizer Industry Chemical / Pharmaceutical Industry Power Plants

2 Paul Bungartz GmbH&Co.KG, Germany 2 Special Centrifugal Pumps Bungartz system since 1930 Contactless hydrodynamic shaft seal by back vanes or additonal seal expeller

3 Paul Bungartz GmbH&Co.KG, Germany 3 Advantages of System Bungartz Sealing of shaft clearance (rotating shaft – standstill casing) hydrodynamic by additional vanes During operation no extra seal required (for example stuffing box or mechanical seal)  Saving of a maintenance part

4 Paul Bungartz GmbH&Co.KG, Germany 4 Hydrodynamic sealing HSHS H2H2 H2H2 vanes Back vanes

5 Paul Bungartz GmbH&Co.KG, Germany 5 Comparison Bungartz-Pump No friction between packing and shaft No lubrication required No wear No leaking during operation Pump with packing Friction between packing and shaft Lubrication required wear Leaking not avoidable

6 Paul Bungartz GmbH&Co.KG, Germany 6 Comparison Bungartz-Pump Maintenance-free  Safety operation during long operation Pump with packing Regular check

7 Paul Bungartz GmbH&Co.KG, Germany 7 Type: MOR for small suction head < 3-4 mCl with one impeller vanes < back vanes

8 Paul Bungartz GmbH&Co.KG, Germany 8 Type: UMOR For high suction head Up to 30 mCl With additional seal expeller

9 Paul Bungartz GmbH&Co.KG, Germany 9 Heavy duty bearing bracket Big shaft Bearing design for worste case  There are pumps in operation, we have delivered 40 years ago

10 Paul Bungartz GmbH&Co.KG, Germany 10 Model M-UMOR vanes Back vanes Seal expeller Stuffing box Circula- tion port Centrifugal governor

11 Paul Bungartz GmbH&Co.KG, Germany 11 Design: M-MOR wearing plates with simple geometry wearing plates are cheap spare parts wearing plates are also available in materials with high hardness

12 Paul Bungartz GmbH&Co.KG, Germany 12 MOS (without flight governor)

13 Paul Bungartz GmbH&Co.KG, Germany 13 Design: SK-MOR Welded construction Materials available, which are not castable for example Zirconium, Titanium, Tantal Using of homogeneous milled materials

14 Paul Bungartz GmbH&Co.KG, Germany 14 Design: E -MOR Cast iron coated with rubber

15 Paul Bungartz GmbH&Co.KG, Germany 15 Design: P-Si-MOR Pump of Silicon Iron For very corrosive fluids (80%H2SO4, t = 160°C) additional amoured with grey cast iron

16 Paul Bungartz GmbH&Co.KG, Germany 16 Example for Applications Fertilizer Industrie Ammoniumnitrat Phosphoric Acid Sulphuric Acid Urea Melt

17 Paul Bungartz GmbH&Co.KG, Germany 17 Ammoniumnitrat (96-98%) With heating With heat detector connections With drain device With Connections for flushing

18 Paul Bungartz GmbH&Co.KG, Germany 18 Ammoniumnitrat (96-98%)

19 Paul Bungartz GmbH&Co.KG, Germany % AN - Melt Liquid near the boiling point Special pump with low NPSH

20 Paul Bungartz GmbH&Co.KG, Germany ,6% AN-Melt T = 175°C

21 Paul Bungartz GmbH&Co.KG, Germany 21 Ammoniumnitrat (max 70%) With mechanical seal Throttle bushing

22 Paul Bungartz GmbH&Co.KG, Germany 22 Sulphuric Acid Horizontal Pump –Type MOR (98% Sulphuric Acid, tmax 90°C) –Type P-Si-UMOR ( Sulphuric Acid, t > 100°C, with solids) Vertical Pumps –With bearing in the liquid –Without bearings in the liquid

23 Paul Bungartz GmbH&Co.KG, Germany 23 Sulfuric Acid Duplexmaterials Nickel based alloys Silicon Iron

24 Paul Bungartz GmbH&Co.KG, Germany 24 Sulphuric Acid Hydrodynamic shaft seal T > 100 °C No problems with solids

25 Paul Bungartz GmbH&Co.KG, Germany 25 Sulphuric Acid

26 Paul Bungartz GmbH&Co.KG, Germany 26 Phosphoric Acid Horizontal Pumps Type M-UMOR Vertical Pumps Type T (without bearings in the liquid Material depending on the concentration and the solids (for example Gypsum)

27 Paul Bungartz GmbH&Co.KG, Germany 27 Phosphoric Acid M-MOR or M-UMOR With wear plates similar Sanicro28 also for gascontaining liquids

28 Paul Bungartz GmbH&Co.KG, Germany 28 Phosphoric Acid Without bearings in the liquid lenght up to 1,2m

29 Paul Bungartz GmbH&Co.KG, Germany 29 Nitric Acid For high suction heads (middle concentration) (high concentration)

30 Paul Bungartz GmbH&Co.KG, Germany 30 Nitric acid

31 Paul Bungartz GmbH&Co.KG, Germany 31 Urea Solution and Urea Melt T = 140 °C Vacuum 0,3 bar abs

32 Paul Bungartz GmbH&Co.KG, Germany 32 Urea Melt with stuffing box with heating

33 Paul Bungartz GmbH&Co.KG, Germany 33

34 Paul Bungartz GmbH&Co.KG, Germany 34 Slurry pump with mechanical seal

35 Paul Bungartz GmbH&Co.KG, Germany 35 Mechanical seal for slurry OUT IN

36 Paul Bungartz GmbH&Co.KG, Germany 36


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