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3 Product Description
3.1 General description
The pump is a centrifugal, in-line, close-coupled pump. These features make the pump
easy to install, operate, and service:
• High efficiency
• Rugged stainless steel-fitted construction
• Horizontal or vertical in-line mounting
Intended applications
WARNING:
This product can expose you to chemicals including Lead, which is known to the State of
California to cause cancer and birth defects or other reproductive harm. For more
information go to: www.P65Warnings.ca.gov.
NOTICE:
• This product is not intended for potable water applications.
• This product is non-submersible. For indoor use only.
• This product has not been investigated, nor is it intended for, use in swimming pools
and marine areas.
The pump is intended for use with these pumped fluids:
• Unheated domestic and fresh water
• Boiler feed water
• Condensate
• Hydronic cooling or heating
• Benign liquids
• Pressure boosting
• General liquid transfer
Rotation
Pump rotation is clockwise when viewed from the back of the motor. An arrow is also
located on the pump to show the direction of rotation.
3.2 Operational specifications
Mechanical seal specifications
Seal type/ Parameter
Standard seal, BUNA/
Carbon/Ceramic
Operating temperature
-20 to 225 (-29 to 107)
range, °F (°C)
pH range limits
7.0 to 9.0
Resistance to dissolved
Low
solids
Table notes
1. An external flush is required on low pressure systems that contain a high concentration
of abrasives.
2. For operating temperatures above 250°F, a cooled flush is required and is
recommended for temperatures above 225°F for optimum seal life. On closed
Marlow Series e-580 INSTRUCTION MANUAL
Optional seal, EPR/Carbon /
Optional seal, FKM/
Tungsten Carbide
Carbon /Ceramic
-20 to 250 (-29 to 121)
-10 to 225 (-23 to 107)
7.0 to 11.0
7.0 to 9.0
Low-Medium
Low
3 Product Description
Optional seal, EPR/Silicon
Carbide/Silicon Carbide
-20 to 250 (-29 to 121)
7.0 to 12.5
Medium-High
9
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