Construction 21

Description:
Construction 21 pumps are single-stage, normal-priming spiral
casing pumps in to short-type design.
Operating data:
Flow rate Q: up to 42 m3
/h
Delivery height H: up to 29 m
Medium temperature: 0 °C up to +80 °C
Operating pressure: up to 5 bar
Range of application:
• Filter systems engineering
• Water treatment
• Shipbuilding
• Industry
Pumping media:
Depending on material selection: clean and slightly soiled liquids,
cold and hot water, oils, weak leaches and acids.
Benefi ts:
• Sealing with rotation independent high-quality mechanical seal of
bellows type. Other kinds of sealing on special request.
• Also inline design and submersible version available
• Very space-saving and compact construction
• Best value for money
• Inlet and outlet with threaded connection
Materials:
The standard materials for pump casing and impeller are cast iron or
bronze. Materials can be customized according to individual demands.
Drive:
Low noise IEC-standard three phase motor according to efficiency class
IE2 or IE3. Other executions and types of engines on special request.