Devair DRD 400 Specifications Page 3

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Introduction
Why Compressed Air ?
- 3 -
Compressed air is a very widely used form of power, second only to electrical power. (A third form of power that is very
popular is hydraulic.) When a suitable and properly sized compressed air system is used, compressed air has many
benefits over other forms of power.
Why choose compressed air over electrical or hydraulic power? There are several advantages of compressed air and
compressed air systems. These include:
A) compressed air is clean and safe, posing no electric shock or fire hazard.
B) air tools run relatively cooler, as they do not generate heat while operating.
C) air tools are relatively light (having a high power to weight ratio), therefore contributing to less worker
fatigue and strain.
D) air tools generally have variable speed and torque controls.
To follow is a brief comparison of each. (Though this by no means is a complete listing, it reflects what we feel to be the
major points.)
Type:
Safety:
Costs:
Flexibility:
Compressed Air
Redu ces the dang er of
electrical shock or fire hazard.
This is critical in some
applications such as painting
and mining.
A single air source in a
compressed air system allows
for many separate systems.
Also, as there are fewer
moving parts and because of
their simplicity in design, air
t o ol s p r o v i d e l o w c o s t
operation and maintenance.
Portable Compressors can be
used where other power
sources are not available ie
gas or diesel powered Units..
Electric
May cause shocks or sparks,
resulting in personnel and
workplace safety issues.
More costly due to complicated
componentry.
Limited to areas where
electrical power is available.
Hydraulic
H y d r a u l i c s y s t e m s a r e
somewhat more complicated
w i t h r e g a r d s t o i n i t i a l
installation, and the frequent
c h a n g i n g o f t o o l s i s
cumbersome.
A hydraulic system may be
complicated and costly when
compared to a compressed air
system.
W i t h o u t e x p e n s i v e f i r e
retardant fluids being used,
exposure to fire or high
temperatures may create fire
hazards. Any leaks may result
in contamination
General Information
Why Compressed Air ?
Information Bulletin IFB-01
March ‘07
For Sales & Service contact:
CENTRAIR Air Systems & Supplies 705-722-5747 [email protected] www.centrair.ca
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