Atlas Dd+Series Compressed Air Filters High Performance Oil
Coalescing Filters
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High performance oil coalescing filters
DD(+) and PD(+) filters efficiently reduce oil aerosol, wet dust
and water drops in your compressed air stream. These could come
from the lubrication of the compressor element, the intake air, and
the compressor installation itself. These innovative filtration
solutions are engineered to cost-effectively provide the best air
purity and meet today’s increasing quality demands.
YOUR BENEFITS
Maximum oil aerosol, wet dust and water droplet filtration and drainage
High-efficient glass fiber and foam media.
Significant energy savings & limited system operating costs
Optimal design and filter media allow low pressure losses.
High reliability
High-performance stainless steel cores, double O-rings, epoxy
sealed caps, and anti-corrosive coated filter housing.
Easy maintenance
External ribs on the threaded housing, or a rotating bottom cover
for the welded housings, and push-on elements.
Monitoring of energy use
Differential pressure indication (indicator for sizes 10-35 l/s,
gauge for sizes 50-8000 l/s) (optional for standard range).
Example
• Working pressure 3 bar(g), compressed air flow 35 l/s.
• Multiply the nominal capacity of the selected filter with the
corresponding correction factor at the required working pressure to
obtain the capacity at working pressure:
- Size 50+: 50 l/s * 0.65 = 33 l/s => the 50+ filter size is not
large enough.
- Size 70+: 70 l/s * 0.65 = 46 l/s => the 70+ filter size is the
size to select.
Options
• Filter connection kit for easy mounting in series (10+ - 550+ l/s
and 12-690 l/s).
• Wall-mounting kit simplifies installation (10+ - 550+ l/s and
12-690 l/s).
• Quick coupling connects the filter with a drain or oil/water
separator.
• Voltage-free contact mounted in the differential pressure gauge,
to give remote indication of cartridge replacement.
• EWD electronic drain with no loss of compressed air and an alarm
function
(EWD is optional on sizes 10+ - 550+ l/s and 12-690 l/s; standard
on sizes ≥550F).
Certification
• ISO 8573-2:2007
• ISO 12500-1:2007
