Description: Fuchs Aquacent LT 100 Fire Resistant High Quality Hydraulic & Lubricating Oil
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HFB, two phase water-in-oil emulsions developed for use in a wide variety of hydraulic systems where a high degree of fire resistancy is required and where arduous conditions are encountered. AQUACENT fluids are supplied ready for use in two viscosity grades; AQUACENT LT 68 - ISO VG 68 and AQUACENT LT 100 - ISO VG 100. Many years of field experience, coupled with ongoing product refinement has led to AQUACENT LT 68 & LT 100 being developed to meet today's ever arduous conditions. The new generation fluids demonstrate improved high temperature performance, improved anti-wear and improved elastomer compatibility over existing fluids. During use it is essential that the water content of the fluids should not drop below 35%, otherwise the fire resistancy of the products will be greatly reduced.
Application: Replace conventional mineral oil in the majority of hydraulic systems where a fire resistant fluid is required, in applications such as mining hydraulic systems and general industrial applications such as furnace hydraulic mechanisms. Applications include systems powered by gear pumps, axial, radial and inline piston pumps, rotary abutment pumps, and axial and radial piston motors.
Note: Care should be taken to avoid the indiscriminate addition of water, as this will have serious effects on the products' stability and viscosity.
FUCHS Technical Department should be consulted prior to any addition of water to your AQUACENT system.
Benefits:
Fire resistant in accordance with the approvals listed
Improved stability at temperatures up to 80ºC Suitable for operation in temperature conditions down to -10ºC and up to 80ºC approximately
Improved compatibility with elastomeric materials normally encountered in mineral oil systems
Enhanced fluid life
Increased resistance to oxidation
Superior material compatibility e.g. suitable with silver, copper, brass, cast iron, steel, aluminium
Improved anti-corrosive properties and anti-wear performance
Retain stability through freeze and thaw
Tightly controlled, low water particle size which enables more effective filtration and provides greater product stability
Unique emulsifiers allow condensation within the reservoir to be re-emulsified on contact with the bulk fluid
Reduced system maintenance costs
Specifications:
Approved by U.K. Coal Mining Ltd - approval number UKC382G.
Tested against the former British Coal specification No. 570/1981 HFB100LT.
Meets the requirements of the Luxembourg 7th Report.
Typical working pressures for differing pump types
Pump Type
Bar
lb. f/in2
Axial Piston Pumps
Up to 207
Up to 3000
Gear Pumps
Up to 138
Up to 2000
In Line Piston Pumps
Up to 207
Up to 3000
Radial Piston Pumps
Up to 138
Up to 2000
Rotary Abutment Pumps
Up to 69
Up to 1000
*Vane Pumps
Up to 138
Up to 2000
Axial Piston Motors
Up to 138
Up to 2000
Radial Piston Motors (Low speed, high torque)
Up to 193
Up to 2800
*Limitation on speed may be recommended unless the pump has been designed for use with these fluids.
When changing a hydraulic system which has previously operated on a mineral oil to AQUACENT LT 68 or LT 100, proceed as follows:- Drain reservoir.
Swab out reservoir using cloths not cotton waste.
Remove filter and clean, if fitted with paper element this should be renewed (Only approved paper elements to be used).
Uncouple pipework at lowest point and drain mineral oil from pipework.
Flush as follows:-
(a) Fill reservoir with AQUACENT Fluid to approximately 100 to 150 mm above suction pipe inlet.
(b) Flush the system by operating under no load conditions for the period of time recommended by FUCHS Technical Department.
(c) Drain off this flushing charge.
(d) Swab out tank and drain pipework.
Clean filters or renew as applicable.
Fill reservoir with the AQUACENT Fluid to be used.
Clean breather unit.
Check all pipework and joints to ensure no leakagesoccur.
The system is now ready for normal operation.
Special note: If a system which has previously operated on waterglycol is being changed to water-in-oil emulsion it is advisable, if the system cannot be thoroughly cleaned manually, to flush all pipework with a charge of low viscosity mineral hydraulic fluid. After draining follow recommendations for AQUACENT fluids above.
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