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RX High Temperature Low Cavitation Water Pump

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未标题-13

RX High Temperature Low Cavitation Water Pump

Type RX recirculating pump for hot water is the new type that improved by Type R series pump, which is a low cavitation and high reliability product, based on  market requirement, independent R&D and well designed by our company.
未标题-13
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Description
Construction description
Structure
Data sheet

Products overview:

Type RX recirculating pump for hot water is the new type that improved by Type R series pump, which is a low cavitation and high reliability product, based on  market requirement, independent R&D and well designed by our company.
On the basis of the advantages of similar products domestic and overseas, this series product adds production experience accumulated over the years, which keep the continuous improvement. The hydraulic design, structure design and manufacturing technique adopted a number of advanced technology, the product has outstanding features of national leading cavitation performance, stable and safe operation, easy installation and maintenance. 
It is widely used in metallurgy, power station, plastics, rubber, textile, chemical industry, wood and paper making, which is suitable for transmission of high pressure hot water with no particles below 250℃ or 230℃.

Model meaning:

yatai

The material where liquid pass:

Type

Material/Property

Range of Application

Ⅰ

Nodular cast iron/Non-corrosion resistant

For delivery of neutral liquids after water treatment.

Temperature≤230℃

 

 Inlet pressure 0.3MPa≤Pg≤3MPa

Ⅱ

Carbon steel/Non-corrosion resistant

For delivery of neutral liquids after water treatment.

Temperature≤250℃

 Inlet pressure 0.5MPa≤Pg≤5MPa

Ⅲ

Stainless acid resistant steel/acid corrosion resistant

For delivery of high temperature liquid that dissolve oxygen ions and gases such as CO ₂, H ₂ S, NH ₃

Temperature≤230℃

 Inlet pressure 0.3MPa≤Pg≤3MPa

 

RX type hot water circulation pump is single stage single suction horizontal centrifugal pump.
The pump body has a supporting plate in the direction of the horizontal center line of the impeller, which supporting is on the support. The inlet of the pump is horizontal while the outlet is vertical. After static balance check, the impeller is fixed on the shaft with nut and shaft sleeve。The pump shaft is supported in the bearing bracket by a pair of single row radial thrust ball bearings and a single row radial cylindrical roller bearings (or a single row radial ball bearings) The pump body and the bearing bracket are connected by bolts, and the pump shaft is connected to the motor by an elastic coupling. The pump and motor are both fixed on a matching base. 
Pump shaft with floating ring seal forms a sealed structure. Floating ring seal achieve radial seal by the connecting between the end face of floating ring and the end face of floating sleeve, and axial seal realize radial seal by producing throttle from narrow gap formed through the shaft sleeve outer circle surface and floating ring inner circle surface. The gap size and length between the floating ring and the sleeve are the important factors of affecting the leakage. A cooling chamber is provided outside the sealed chamber, and industrial water is used for cooling. There is a pressure relief hole at the outer end of the sealing chamber. The liquid discharged from the pressure relief hole outside the floating ring must be connected to the low-pressure area which can be drained or re-used by the open cooling pool.
Pressure relief hole cannot be blocked, the leakage amount cannot be adjusted too small, otherwise it will increase the pressure of sealing chamber, damage the seal, and cause accidents. There is a pressure relief hole on the floating seal. The user shall connect and install the inlet and outlet pipelines by himself, and install a 3/8 plug in the outlet pipelines to control the leakage of the sealing chamber. The coolant must be soft water to prevent scaling.

 

 

 

 

 

yatai

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