Grear Quality Carbon Steels High Efficiency Horizontal Cryogenic Pump

Product Description

Product DescriptionHot Sale Stainless Steel high-efficiency automatic industrial centrifugal pump
HBE liquid-ring vacuum pump is an energy-saving product developed by our company, and is used to pump gas which carries no solids undissolved or just slightly dissolved in working liquid, to form vacuum and pressure in the closed container.
Working Principle
The impeller is assembled eccentrically inside the casing. When the impeller revolves as the indicated direction in above figure, the liquid is thrown outwards under centrifugal force to form a liquid ring rotating concentrically with the casing. As a result, a crescent pocket area is developed between hub and the inner surface of the liquid ring. As rotaion proceeds from point A to point B, the pockets area between adjacent wanes becomes progressively larger, i.e vacuum is set up and gas is drawn in via the suction port. And as rotation proceeds from point C to point A, the pocket becomes smaller and smaller, the gas is compressed to be as much as outside pressure, then it is finally ejected out though discharge port.
Pump StructurePump Seal
1. Packing Seal
Packing seal is an economical and practical shaft seal way that pumps, especially large-sized ones, often adopt.
There are two ways of cooling shaft seal, one of which is internal water supply way, another is external water supply one. Different cooling ways require different installing direction of the packing sleeve, so when the change of cooling way is needed, the direction of packing sleeve should be rotated, meanwhile, water supply way should be also changed. When external water supply way is adopted, pump should be connected with cooling water before operating.2. Single Mechanical Seal
Single mechanical seal possesses the advantages of sealing reliability and long service life. Due to low sealing pressure, non-balanced mechanical seal is adopted, with compact structure. When single mechanical seal is used, the cooling way for shaft sealing adopts internal water supply, pump operates without external cooling water, and adopts self cooling way.
3. Dual Mechanical Seal
The goal to apply dual mechanical seal is to create an artificial environment in seal chamber to enable seal to operate without trouble for a long time. When toxic, volatile, combustible or explosive liquid is pumped. It is very necessary to create such an environment. An external reservoir with pressure must be used to supply clear isolating liquid which circulates in an internal cyclic loop or external flush system. The pressure of isolating liquid should be greater than that of medium. Dual mechanical seal can mate carious seal piping systems to make seal plans recommended by API682, for example typical seal plan 52, 53 or 54.
Order Related TestsThe order related tests, confirm the performance of pump conform.
The company carries out the tests below as standard:
Hydrostatic pressure test:
Hydrostatic pressure test based on clean water at ambient temperature,test pressure is 1.5 times on design pressure.
Performance test:
Measurement according to ISO9906,accuracy class∥,acceptance class2B.
NPSH test:
According to ISO5199 standard.
Vibration test:
According to ISO5199,vibration lightness level is controlled at class A.
Temperature test:
Test the temperature rise of bearing,and keep records.
Raw material inspect:
Spare and casting parts inspection,to ensure the reliability of the whole machinery.
Detailed Photos

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