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บทความ เกจวัดแรงดัน

Pump retrofitting: New Lease of Life for Old Pumps

For all the dedication of a mine’s service staff to the beneficial best practice in pump management, someday, encountering cases of pump part wear and tear is inevitable – a matter of when and never if. And when it does happen, part wear inhibits pump performance. เกจวัดแรงดันปั๊มลมpuma is at that point where, timeously, mines may have to seriously contemplate retrofitting as a possible option.
A rational enterprise decision
In this setting, where prices of capital equipment costs are growing, replacement may be a sensible business decision. In an advisory targeted at mines and other industries, pump OEM, KSB Pumps, recommends retrofitting as a rational business choice: “Retrofitting is a superb various to purchasing a brand new product and can be carried out on pumps no matter their intended use. It is equally appropriate for industrial, water provide and waste water disposal functions in addition to for the ability provide trade.”
It is simply natural for mine operators to ponder buying new pumps. New pump models meet contemporary requirements like improved power efficiency, compliance with new legal requirements (relating to emissions and safety), extended service life and know-how which produces working data. But this may not necessitate changing an previous pump mannequin, KSB Pumps says, as retrofitting might give an previous pump a brand new lease of life, specifically within the following methods:
Save upkeep costs
Reduce energy consumption
Achieve longer service life
Increase system availability
Comply with authorized necessities (e.g: TA-Luft, ATEX)
READ: Full-service functionality important for reliable pump provide
Core areas in Retrofitting
The core focus areas in retrofitting are: hydraulic and mechanical modifications to the supplies, above and beyond modifications to the supplies.
Hydraulic modifications
Some of the hydraulic modifications could involve:
Remachining of present impellers
Installation of new impellers for off-design conditions
Optimisation of volute casing for off-design situations
Adjustment of the number of levels (on multistage pumps)
Mechanical adjustments
The following are some of the mechanical modifications:
Closed bearing brackets improve the smoothness of operation and extend the bearing life
Installation of mechanical seal systems
Employment of cellular surface put on rings to enhance effectivity, rotor dynamics and dry working properties
Use of optimised materials
The following are its a number of the materials that a few of the optimised supplies that may be used:
Super duplex stainless steel grades or nickel alloys
Ceramic mineral castings for impellers, put on plates, cover and casing – for use with finely dispersed, extremely abrasive options
Non-metallic rings and bushes
Ceramic plain bearings
Surface coatings


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