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DN Centrifugal Pumps

DN series pumps are End suction Frame Mounted Pumps available in various materials of construction. DN Series pumps are designed for applications in medium duty service, providing maximum pump value in heating and air conditioning, booster and general circulating services.

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Description

Product Specifications /Features
Casing: Centreline Discharge , Flange connection , 150# Flat Face as standard , Optional : 150# RF , 300# FF , 300#RF
Impeller: Enclosed , dynamically balanced according to ISO 1940 class 6.3 . for smooth, low vibration operation.
The motor/impeller shaft is protected with a replaceable (bronze or SS) sleeve installed between the shaft and mechanical seal.
Mechanical seals: Type 21, with face type ceramic seat, carbon washer, stainless steel metal parts and Buna elastomers are designed for water service and light hydrocarbons up to 200°F. The seals can be supplied with upgraded material of construction I,e. carbon/ceramic/ viton , Sic/sic/viton and other material of construction
Parts are interchangeable within DN series
Applications
Water , Waste water
HVAC
Condensate
High Pressure Process
Sea Water
Design Specification
Capacities
Up to 3000 GPM
Head
Up to 400 feet
Pressure
Up to 175 psi
Horsepower
Up to 200 hp
Temperature
From 32°F to 200°F
Drives
Electric Motors
Liquids
Water and Light hydrocarbons
Materials
Cast Iron, Bronze, Stainless Steel
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