EN
INDUSTRIAL CASE|METALLURGY|PUMP · SLEEVE BEARINGS

IE B004PUMPING STATION No. 8 · 24.12.2000 – 10.01.2001

series of 2 acts

Water supply pump D 6300: bearings now run cooler with no shutdown or teardown

Plain bearing stopped overheating, oil temperature dropped, the shell did not need replacement. 25 °C — oil sump housing temperature, 60–65 → 35–40 °C; 3.28 UAH — effect per 1 UAH spent, water supply shop calculation (2000–2001).

OJSC MMK im. Ilicha, water supply shop, pumping station No. 8  ·  report approved by V. N. Redya, head of the water supply shop; treatment carried out by Promelektrotekhpostach

Mariupol, Ukraine  ·  treatment on 24-26.12.2000 · monitoring until 10.01.2001

PRODUCTXADO RVS technologyunits treated under normal operation, without teardown and without spare parts
TEST OBJECTPump D 6300 No. 16babbitt sleeve bearings (shaft-and-shell pair) and the oil sump, pumping station No. 8 of the water supply shop
DOCUMENT TYPEWater supply shop report
and economic effect calculation

What the water supply shop recorded

↓25°C
oil sump housing temperature,60–65 → 35–40 °C
↑3.28UAH
effect per 1 UAH spent, water supply shop calculation
PUMP AND UNITCONDITION BEFORE TREATMENTWHAT WAS MEASUREDTREATMENT
Pump D 6300 No. 16, station No. 8 — babbitt sleeve bearingsBearing was due for replacement, oil sump housing at 60–65 °CSump and bearing oil temperature, repair costs24-26.12.2000

Bearing unit temperature — by measuring point

PUMP AND MEASURING POINTBEFORE TREATMENTDURING OPERATIONAFTER STABILIZATIONCHANGE
Pump D 6300 No. 16 — oil sump housing60–65 °C50–55 °C, day 435–40 °C, day 10−25 °C
Pump D 6300 No. 16 — bearing oil65 °C—35 °C−30 °C

Ambient air temperature in the pump house did not change over the monitoring period — the drop relates to the units themselves.

Sleeve bearing repair on pump No. 16 — water supply shop calculation

ITEMCONVENTIONAL REPAIRXADO RVS TREATMENT
Cost of repairing one bearing411.77 UAH96.12 UAH
Bearing replacementrequirednot required
Economic effect—3.28 UAH per 1 UAH spent

The water supply shop calculation was signed jointly with the contractor; plant prices are from the year 2000, the effect per 1 UAH spent does not depend on them.

Conclusion of the water supply shop commission

The pump was treated while running — without shutting down the station, without dismantling and without spare parts. The bearing of pump D 6300 No. 16 was queued for replacement, and its oil sump housing heated up to 60–65 °C. After the treatment the sump temperature dropped to 35–40 °C and the oil temperature to 35 °C, and the shop calculation records: “Bearing replacement is not required”. The commission recorded in the report: “The positive results achieved indicate reduced friction in the sleeve bearings and optimization of the shaft-to-shell clearance, which ultimately led to the temperature drop”. Equipment repair by this technology is recommended by the shop for further rollout at OJSC MMK im. Ilicha.

Current equivalent

How such units are treated: PumpBearings

About this result: Temperature

Limits of this report: The results relate to the bearing unit of the D 6300 water supply pump at pumping station No. 8 of OJSC MMK im. Ilicha and to its operating conditions; on other equipment the figures may differ. RVS is an obsolete XADO designation, the zero-generation compounds; the current product generation is revitalizants.

Request a pilot for this unit

XADO Pilot Testing Programme

Application submitted by

Pilot treatment on the enterprise's equipment

  • any oil- or grease-lubricated assemblies: gearboxes, engines, compressors, bearings and others;
  • treatment within the regular operating cycle, without halting production;
  • instrumental measurements before and after: vibration, temperature, power consumption or current;
  • procedure for the specific assembly, dose calculation and support from a XADO engineer.

After the application, a XADO engineer will agree the units and the list of measurements with you.