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QDWF(J) Stainless Steel Horizontal Multistage Centrifugal Pumps
QDWF(J) Stainless Steel Horizontal Multistage Centrifugal Pumps

Minimum Order: 0
Quality/Safety Certification: 0.00


1. Medium temperature: -15oC ~ +120oC
2. Max ambient temperature: +40oC
3. Max ambient pressure: 10bar.
4.Cast iron or Stain

Brief Introduction:
QDWF(J) serial light-duty stainless steel horizontal multi-stage centrifugal pumps are non-priming horizontal multi-stage centrifugal ones made by absorbability of world's advanced technology and design, including subsection type and cylinder type .With horizontal motors and quickly equipped mechanical seals, it is convenient for components replacement. They can be applied to slightly corrosive medium due to the flow passage parts made of stainless steel (304) and are substitutes for CH of the same kind used in abroad, warmly welcomed by users because of their high efficiency, low energy consumption, reliable quality and wide applications.
Feature:
1. Tremendously improve performance and enhance product life due to adoption of excellent water power model and advanced making technics.
2. Enhance operating reliability and conveying medium temperature because of the use of horniness alloy and fluorin rubber mechanical seals.
3. Applied to slightly corrosive medium due to flow passage parts made of stainless steel after process of pressing and welding.
4. Compact structure, small size, light in weight, low noise, remarkable energy saving, easy for overhaul and maintenance .
5. To avoid damages from dry rotation, lack of electric phase, over-load etc because aptitude protector can be equipped on users' request.
6. Axial inlet and radial outlet, attached with long shaft electric motor.
Application:

Air-conditioning system Cooling system Industrial cleaning Water treatment(Water purification) Aquiculture Fertilizing/metering system Environmental application Other special applications


Working Condition:
1. Medium temperature: -15oC ~ +120oC
2. Max ambient temperature: +40oC
3. Max ambient pressure: 10bar.
4. Advisable to use motor of higher power in case that the density or viscosity of medium is above that of water.
Medium:
1. Thin, clean, non-flammable, non-explosive medium containing no granule or fibre.
2. Such as mineral water, softened water, pure water, clean oil and other light chemical medium.
3. Slight corrosive medium.
Motor:
Full-enclosed ventilating two-pole standard motor
Protection class: IP55
Insulation class: F

 

Definition of Model:

 

 

 

Structure:

 

 

Performance curve:

 

 

Remarks:

 

All performance curves are based on the measured values when a motor works under power of 380V, at a constant speed of 2900r/min. The capability of flow and head conforms to ISO9906. Measurement is done in 20oC air-free water of which viscosity is 1mm2/s. The operation of pump shall refer to the performance range marked in thickened curve so as to avoid damages caused by over-load.

 

 

Product Scope:

 

Minimum inlet pressure:
Figure NPSH cruve+minimum safety margin 0.5m delivery head.

Performance Parameters and Installation&Weight:

 

 

 Installation&Weight:

 

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