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|Pump::||CNP NM FIRE||Casing：:||Ductile Cast Iron|
single stage end suction pump,
single stage fire pump
UL Listed FM Approved 500usgpm @288 feet End Suction Centrifugal Pumps
The end suction centrifugal pump is useful in various residential, industrial and commercial applications. Due to the fact that the pumps are highly common and readily available from many suppliers, their prices are usually very attractive.
Standard end suction centrifugal water pumps are normally close coupled and manufactured from standard iron or a variety of plastics. Pumps that are meant for more heavy duty commercial and industrial applications are often mounted on a bedplate with a coupling that separates the motor and the pump. These are usually available in stainless steel and more exotic alloys or plastics for corrosion resistance, while others are manufactured from hardened iron for mining, slurry and dredging applications.
The end suction centrifugal pump can be fitted with an open impeller for food and chemical processing applications that contain solids. Alternatively, it can have a closed impeller for clean water or oil services. The pumps can be designed to specific standards for chemical pump applications or hydrocarbon processing. The pump’s shaft can be sealed from the immediate environment using conventional packing and mechanical seals or it may be a canned motor or magnetic drive type.
NFPA20, UL, FM, EN12845,CCCF
How it Works:
The end suction centrifugal pump normally contains a single impeller and a spiral like casing. The fluid that is being pumped moves along the impeller’s vanes, which increases the fluid’s velocity. From there the fluid is moved into the spiral like casing, where the high velocity is transformed into high pressure by a diffusion process.
These types of pumps are usually powered by an A.C. electric motor, although some are D.C. motor driven, as well as air driven motors, hydraulic motors, gasoline and diesel engine driven and steam turbine driven. These pumps may be close-coupled, with the impeller directly attached to the driver shaft without a separate coupling between them. Alternatively, they may be mounted on a frame, where the pump has its own bearings and a coupling that separates the motor and the pump.
End Suction Pump Series with Hydraulically balanced impeller to extend bearing life. Available in electric motor or diesel engine driven configurations.
Capacity to 750 GPM
Pressures to 225 PSI
Features and Benefits
Top centerline discharge with foot supported casing.
Ease of installation.
Simplifies piping layout.
Reduces problems associated with piping strain.
Self-venting design eliminates the need for automatic air release valve.
Rear pullout design supplied as standard with spacer coupling.
Ease of maintenance, eliminates disturbing driver or piping when removing rotating element.
Hydraulically balanced impeller extends bearing life and assures smoother operation.
Available in electric motor or diesel engine driven configuration.
End Suction Fire Pump
First-Class testing and inspection equipment.
CNP NMFIRE End suction fire pump is the perfect solution for small capacity fire applications. Back pull-out design end suction fire pump, allows the complete rotating element to be removed for servicing without disconnecting pipe work. If a spacer coupling is fitted then driver does not have to be moved too. Simplicity of design ensures long efficient unit life, reduced maintenance costs and minimum power consumption.
End suction pumps are specifically designed and tested for fire service application around the world including:
Office Buildings, hospitals, airports, manufacturing facilities, warehouses, power stations, schools/colleges, hotels, etc.
Contact Person: Kathy Wong