Due to unique design of separately manufactured shafts and screws, many different material combinations are available, thus allowing for optimum combinations for specific applications.

This two-piece design also allows the screws and shafts to be replaced independently of one another, maximizing interchange ability while reducing maintenance cost and downtime. Shafts are made of high-quality stainless steel (DIN rating 1.4542, ANSI 630 S.S.) as standard equipment. The excellent physical properties and chemical resistance of this steel grade has been proven on thousands of Bornemann Pumps worldwide.

The screws can be supplied in a wide range of materials including cast iron, nodular iron, bronze, and various stainless steel grades - allowing numerous different material combinations to best fit the particular application at hand. For the pump casing there are various materials available including cast iron, nodular iron, or cast steel.

• Wide range of performance
• 6 sizes available

• Optimum diameter/length ratio

• High pressure ratings

• Flow rate is increased by up to 30 %*

• Total efficiency is improved by up to 15 %*

• Suction lift capacity is increased up to 8,50 m (27.8 feet)*

• Pump weight is reduced by up to 35 %*

• Space savings of up to 30 %*

• Pumps can be mounted vertically or horizontally
• Low price
• Capacity up to 4500 m³/h
• Cast housing
• Standadization

*In comparison to the standard

The optional relief valve is designed to ensure a quick response and minimum pressure increase upon opening. All relief valves are designed for 100 % of the rated capacity.

Compact pump solution for shipbuilding and industry:

• Medium for nearly all viscosities

• Aggressive pumped liquids

• Nodular cast iron (GGG-40.3)
• Cast steel (GS-C 25)

• M7N 90 (standard)
• EN 12756