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Application
In the high pressure circuits of hydraulic and lubricating oil systems.
Performance features
Protection
against wear: By means of ultra-fine filter elements that meet even
the highest demands regarding cleanliness classes and
dirt-holding capacity.
Protection against
malfunction: By means of permanent filtration in the off-line circuits
excellent cleanliness classes can be achieved.
Special design features
Cover: The cover can be opened without special auxiliary tools.
Because of the cover design the filter element can be
changed almost without losing any oil.
Flow control valve: Over the flow control valve the FNS off-line filters are
connected directly to the high pressure pipe. The surplus
volume (e. g. in circuits with fixed displacement pumps)
from the high-pressure circuit is cleaned by the ultra
fine filter element.
Dirt
retention valve: Ensures that dirt accumulated in the filter is removed
together with the element. Settled dirt cannot return
into the system.
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Off-line filtration is in many cases the only feasible principle to achieve the required system cleanliness in fluid power systems. Off-line or kidney loop filter units consist of a circulation pump coupled to an appropriately sized and selected oil filter. The oil is circulated through this external filter system independent from the existing or non existing flow in the main system.
The programme comprises small compact standard units as well as customised subsystems of variable sizes.
Off - Line filter BNF series
Interchangeable DIN filter elements
Low noise emissions
Easy installation
May also be used for filling and draining the reservoir
Compact dimensions and easy to install either on the tank top or side. DIN elements provide qualified system cleanliness.
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The DUO3 off-line oil filter increases the availability and reliability of hydraulic and lubricant oil systems. For optimum oil filtration performance, more often than not filtering takes place in off-line circuits, where the oil filter can operate 24 hours a day independently of the main system, avoiding any changes in pressure and flow.
Fields of application
Typical fields of application include hydraulic systems, lubricating systems, hydraulic presses, injection moulding machines and machine tools. When rebuilding a system we recommend installation of an off line oil filter.
Design
Its low noise level and compact size make the DUO3 ideal for use in many different machines and working environments. For uniform and good circulation and oil filtration, the DUO3 has been fitted with a low pressure pump from our QPM range. This pump has few moving parts and is designed to have a long service life and consume little power.
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CJC™ Fine Filters are offline oil filtration systems with integrated circulating pumps for off-line installation. The filters are recognized around the world as highly efficient purification systems for applications involving hydraulic oil, lubrication oil, gear oil, quenching oil, phosphate esters and more.
CJC™ Fine Filters are ideal for controlling oil contamination levels for particles, water and degradation products (oxidation resin/sludge, varnish).
The CJC™ Depth Filters have a filtration degree of 3 microns absolute and a very large dirt-holding capacity.
CJC™ Fine Filters deliver measurable customer benefits: lower operation and maintenance costs, increased productivity, and maximum lifetime for system components, in-line filters and oil.
The modular filter units are built and sized to specific customer requirements - whether the oil volume is 2 litres or 200,000 litres.
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Parker's Tanktopper Series features:
• Flows to 18 gpm
• 3 micron to 120 micron absolute
• Disposable or recleanable elements
• Visual and electrical indicators
• Microglass long life elements
• Inside-to-outside flow through the element
• Complete contamination removal during element service
• Optional magnetic prefiltration
• Optional dipstick
• Optional airbreather
• No tools required for servicing elements
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Contaminated oil is drawn into the Parker Portable Purification System (PVS) by a vacuum of 25 In/Hg. The oil passes through the in-line low watt density heater where the oil is heated to an optimum temperature of 150° F (66°C).
The oil then enters the distillation column where it is exposed to the vacuum through the use of special dispersal elements. This increases the exposed surface area of the oil and converts the water to vapor form, which is then drawn through the condenser by the vacuum pump.
The water-free oil falls to the bottom of the column and is removed by a heavy duty lube oil pump. This pump forces the dry oil through a final particulate removal filter. Clean oil passes out of the unit, back to the reservoir — and into the system.
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