Water glycol fire resistant hydraulic Fluids
This product range covers fluids based on water-glycol solutions.
The polyglycol is a water-soluble polymer thickener, which can be formulated to cover a wide range of viscosities. The resulting viscosity-temperature properties are Newtonian and give water glycols good low-temperature cold-start pump wear protection as well as minimizing cavitation. The additive package imparts corrosion resistance, metal passivation, seal and hose compatibility, oxidation resistance, antimicrobial properties and antiwear properties. With a density of about 1.0, mineral oil contaminants may float on the fluid surface and be skimmed off. Finally, water glycol fluids have better thermal transfer properties over other fire-resistant fluids.
Water-glycol fluids (ISO HFC) are compounded of:
>35 percent to 45 percent water to provide resistance to burning.
>A glycol (a synthetic chemical of the same family as permanent anti-freeze ethylene or other glycols).
>A water-soluble thickener to improve viscosity.
Applications:
Water glycol fluids usually have an operating range up to 2000 psi at less than 150°c. Their lubricating quality is very good where loads are moderate and where only hydrodynamic lubrication is involved. When the application has high bearing loads and extreme boundary lubrication conditions, higher wear rates should be expected. Typical applications include:
1.Diecasting Machines
2.Coke Furnace Door Openers
3.Ladle-tilting Mechanisms
4.Furnace Chargers and Dischargers
5.Basic Oxygen Furnace Hydraulics
6.Fork Lifts
7.Straddle Trucks
8.Electric Welders
9.Rod, Tube and Strip Mills
10.Hot Metal Shears
11.Aircraft Carrier Catapults
12.Airport Air Bridges
13.Continuous Metal Casters
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