Chemical Standard Pumps
(ISO 2858 / DIN 24256)
Application
Chemical industry, food industry, water treatment and manufacture of apparatus.
Applicable for any kind of liquids which do not tend to crystallize and do not contain a very low percentage of solids. The material combinations are selected under these aspects.
Design
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horizontal
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single stage
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single flow volute casing centrifugal pump in back pull-out design
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process pump acc. to DIN 24256
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the closed impeller is provided with double curved blades
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casing pressure 16 or 25 bar
Connection
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Suction socket: axial
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Discharge socket: radial upwards
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flanges acc. to DIN PN 16 or 25 (British standard or ANSI possible)
Temperature
Capacity range
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5-500m³/h (special sizes: up to 2000m³/h)
Delivery head
Sealing
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cooled or uncooled stuffing box, mechanical seal
Materials
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Casing: cast iron, spheroidal graphite iron, cast steel, bronze, stainless steel, duplex, super duplex, titan or different kinds of plastic materials
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Impeller: cast iron, spheroidal graphite iron, cast steel, bronze, stainless steel, titan or different kinds of plastic materials
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Shaft: chrome steel, chrome / nickel / steel
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shaft sleeve: selected in accordance with shaft and sealing
Driver
Direction of rotation
Bearings
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on drive-side double ball bearings grease lubricated
Power transmission
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flexible coupling or spacer coupling, V-belt drive is also possible.
Special executions
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vertical inline
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design acc. to API 610
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as exhaust gas boiler circulating pump with mechanical seal without cooling up to 175°C
Chemical standard pump acc. to DIN 24256
Details of some options
Example for special executions
Exhaust gas boiler circulation pump with mechanical seal up to 185 °C without external cooling
