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Castrol Tribol 890/22合成空气压缩机油详细说明 (浏览622次)
Castrol Tribol 890
Synthetic Compressor Oil
Description
Castrol Tribol? 890 compressor oils are fully synthetic ester based lubricants formulated for long service life and
clean deposit-free operation. They are manufactured in several viscosity grades to satisfy the lubrication needs of
the most demanding air compressor applications (as well as many other process gases).
Application
Rotary vane and rotary screw compressors: Tribol 890/32 and 890/68 are designed for vacuum pumps and
rotary compressors where circulation systems inject oil directly into the air stream to lubricate, cool and seal the
compressor. The Tribol 890 range performs better than petroleum oils in flooded rotary vane and screw
compressors. By minimizing varnish and carbon deposits, it can extend drain intervals from 1,000 hours to more
than 5,000 hours in most vane compressors. Under normal use flooded screw compressor drain intervals can be
extend to well over 8,000 hours with maximum air discharge temperatures =/< 100°C, as defined by ISO 6743-
3:2003. Tribol 890 can also be used under severe conditions with maximum air discharge temperatures > 100°C,
however drain intervals could be reduced.
Reciprocating compressors: Tribol 890/100 is used for both crankcase and upper cylinder lubrication in
reciprocating compressors for either normal or severe duty lubrication, as defined by ISO 6743.
Normal duty is defined as:-
? discharge temperatures =/< 165°C
? differential pressures =/< 2.5 MPa (25 bar)
? discharge pressures =/< 7.0 MPa (70 bar).
Severe Duty is defined as:-
? discharge temperatures > 165°C
? differential pressures > 2.5 MPa (25 bar)
? discharge pressures > 7.0 MPa (70 bar)
Crankcase drain intervals can be greatly extended and significant reduction in valve inspections and cleaning are
possible. Lower volatility permits lower feed rates to reduce carryover and deposit formation.
Hydraulic and circulating systems, gears, bearings: where rust and oxidation inhibited (R&O) turbine type
circulating oils are specified. Tribol 890 is particularly well suited where operating temperatures ranges too
extreme for petroleum oils.
Tribol 890 is classified as follows:
DIN 51506 classification - VBL, VCL and VDL.
ISO 6743/4 - DAG, DAH and DAJ for rotary air compressors also DAA, DAB for trunk pistons at high pressure and
high temperature (Viscosity grade 100)
Advantages
Excellent thermal and oxidative stability leads to longer operating life and reduce lubricant costs. Can last
up to 4 to 8 times longer than mineral based compressor oils depending on operating conditions.
 ?
Natural cleansing action prevents the formation and build-up of varnish, sludge or deposits, which in single
or multiple-stage reciprocating compressors, prevents valve wear or sticking. This allows more efficient
recompression and provides clean intercoolers. The resulting benefits are less heat generation, reduced
fire potential as well as reduced energy input required for constant discharge capacity and overall
improved compressor efficiency.
 ?
Low volatility means less oil contamination of plant air, greater demister efficiency, less maintenance of
filters and separators and reduced oil consumption.
 ?
Natural oil film strength and lubricity with additional load carrying and antiwear additives providing
excellent wear protection and reduced downtime from unscheduled maintenance.
 ?
Page 1 / 2 10 February 2009, Version 1Typical Characteristics
Subject to usual manufacturing tolerances.
Additional Information
Changeover from petroleum oils to Castrol Tribol 890 should always be preceded by a very thorough cleanout.
Although 890 oils are compatible with petroleum, any residual mineral oil will soon oxidize and contaminate Tribol
890, shortening the anticipated service life.
Tribol 890 oils soften polycarbonate and should not be used with this material.
These fluids should not be used where neoprene seals and E.P.D.M. elastomers sealing materials
上一产品: Shell Corena S4 R32,R46,R68
下一产品: 道达尔TOTAL DACNIS SH100合成空气压缩机油
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