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Model DN Series -End suction Frame Mounted Centrifugal Pumps
Rotech’s DN Series end suction centrifugal pumps are frame mounted pumps coupled with electric motors by flexible type of coupling. DN series end suction pumps are designed for pump applications in accordance with standards developed by the Hydraulic Institute (HI) and the National Electrical Manufacturers Association (NEMA). These pumps are designed for applications in medium duty service, in heating and air conditioning, booster and general circulating services.
These centrifugal pumps are also used for city water, municipality, irrigation, HVAC, apartment building, effluent treatment, cooling tower, circulation water, chillers, petrochemicals, refineries and pharmaceutical applications amongst others.
DN Series centrifugal end suction pump is available in cast iron bronze fitted and all iron Materials of Construction (MOC) with type 21 mechanical seals. All stainless steel Materials of Construction can be supplied upon request.
DN Series end suction pump casing is fitted with a bronze replaceable wear ring. The pipe connection flanges are equivalent to 150# ANSI flanges rated for 175# Maximum Working Pressure (MWP). Rotech can supply end suction centrifugal pump with 200# or higher rated ANSI flange connections if required.
DN Series horizontal end suction pumps are furnished with enclosed dynamically balanced impellers for smooth and low vibration operation. DN Series end suction centrifugal pump delivers variety, durability, standardized options and configurations.
Rotech designs tough and versatile DN Series end suction pumps to meet your pumping needs. Please contact us to find out more about DN Series options and prices.
- DN Series Pumps are available in cast iron bronze fitted and all iron Materials of Construction with type 21 mechanical seals. All stainless steel MOC can be supplied upon request.
- Pump casing is fitted with a bronze/cast iron replaceable wear ring . Suction and discharge connection flanges are ANSI rated 150# maximum working pressure. Rotech can supply 200# or higher rated ANSI flanges connections if required.
- Motor bearings are grease lubricated and are sized for a minimum of 20,000 hours L10 basic rating life or 100,000 hours median bearing life. Shaft is designed to limit the shaft deflection to no more than .022" at the seal faces.
DN series pumps are frame mounted pumps available in various Materials of construction such as all Iron, Cast Iron Bronze fitted, all stainless steel construction.
- City water, Municipality
- Water & waste water
- Irrigation
- HVAC
- Apartment Building
- Effluent Treatment
- Cooling Tower
- Circulating water, Chillers
- Petrochemical
- Refineries
- Pharmaceutical
- Capacities - Up to 3000 GPM
- Head - Up to 400 feet
- Pressure - Up to 175 PSI
- Horsepower - Up to 200 HP