01|02  Introduction
ENGINEERING YOUR SUCCESS..
www.parker.com/dhfns
aerospace
climate control
electromechanical
filtration
fluid & gas handling
hydraulics
pneumatics
process control
sealing & shielding
High quality compressed air 
from generation to application
Contents
Filtration, purification and separation is our business  ........ 1
Compressed air contamination is a real problem ................3
Sources and types of contamination  
in a compressed air system ..... .............................3
Compressed air contaminants in detail ................................5
Contaminant removal ............................................................7
A solution for every contaminant ..........................................9
Are all compressed air filters and dryers the same? ......... 11
The Parker domnick hunter design philosophy .................. 12
After sales service ............................................................... 13
A dedicated solution for every application .......................... 13
01|02  Introduction 01|02  Introduction
Filtration, purification and  
separation is our business
Parker domnick hunter is a world leader in the filtration, 
purification and separation of compressed air and gases.
Operating an efficient production facility allows 
increased volumes and better quality products  
to be manufactured at a lower cost. Downtime 
and unreliability are not acceptable. 
Fundamental to most modern production 
environments is the compressed air network, 
often referred to as the 4th utility. This must  
be totally reliable and effective.
To guarantee maximum performance and 
reliability, Parker domnick hunter protects your 
entire compressed air network, providing the  
best quality compressed air, exactly where  
it is needed.
These world class compressed air treatment 
solutions will improve production performance 
and reliability whilst lowering energy 
consumption, CO
2
 emissions and operational 
costs to deliver 100% manufacturing uptime and 
total peace of mind.
Compressed Air - The 4th Utility
Compressed air is a safe and reliable power source that  
is widely used throughout industry. Known as the 4th 
utility, approximately 90% of all companies use 
compressed air in some aspect of their operations. 
Unlike gas, water & electricity which is supplied to site  
by a utility supplier to strict tolerances and quality 
specifications, compressed air is generated on-site  
by the user. The quality of the compressed air and the  
cost of producing this powerful utility is therefore the 
responsibility of the user.
03|04
Compressed air contamination  
is a real problem for industry
In todays modern production facilities, the use of compressed 
air is often pivotal to manufacturing processes. Irrespective of 
whether the compressed air comes into direct contact with the 
product or is used to automate a process, provide motive power, 
packaging, or even to generate other gases on-site, a clean, dry, 
reliable compressed air supply is essential to maintain efficient 
and cost effective production.
Sources and types of contamination 
in a compressed air system
Understanding the sources of compressed air contamination and 
the types of contaminants which must be reduced or eliminated 
is a key factor in planning an efficient compressed air system. In a 
typical compressed air system, there are ten major contaminants 
that have to be removed or reduced to protect the consumer 
and provide a safe and cost effective production facility. These 
contaminants come from four different sources.
Source 1  
Atmospheric Air 
Compressors draw in huge amounts 
of atmospheric air which continuously 
fills the system with invisible 
contaminants such as:
 Water vapour
 Atmospheric dirt
 Oil vapour
 Micro-organisms
Source 2  
The Air Compressor 
In addition to the contaminants 
drawn in from the atmosphere, oil 
lubricated compressors will contribute 
small amounts of oil from the 
compression process. The oil will be 
in the form of:
 Liquid oil
 Oil aerosols
 Oil vapour
After the compression stage, 
the after-cooler will cool the air, 
condensing water vapour and 
introducing it into the compressed 
air as:
 Liquid water
 Water aerosols
Sources 3 & 4   
Compressed air storage 
devices & distribution piping
As the air leaves the compressor it now 
contains eight different contaminants. 
The air receiver (storage device) and 
the system piping that distribute the 
compressed air around the facility 
can store large amounts of this 
contamination. Additionally, they cool 
the warm, saturated compressed air 
which causes condensation on a large 
scale adding more liquid water into the 
system and promoting corrosion and 
microbiological growth:
 Rust
 Pipescale
05|06
Water vapour
Water enters the compressed air 
system through the compressor intake 
as a vapour (or gas). The ability of air 
to hold water vapour is dependent 
upon its pressure and its temperature. 
The higher the temperature, the more 
water vapour that can be held by the 
air, the higher the pressure, a greater 
amount of water vapour is squeezed 
out. As large volumes of air are draw 
into the compressor and compressed, 
the temperature of the air increases 
significantly. This allows the heated air 
to easily retain the water vapour in the 
atmospheric air.
Condensed liquid water  
and water aerosols
After compression, compressed 
air is normally cooled to a usable 
temperature by an after-cooler. This 
cooling reduces the airs ability to 
retain water vapour, resulting in a 
proportion of the water vapour being 
condensed into liquid water. The liquid 
water is then removed by a condensate 
drain fitted to the after-cooler water 
separator.
The air leaving the after-cooler and 
entering the compressed air system 
is now 100% saturated with water 
vapour. Any further cooling of the 
compressed air will result in more 
water vapour condensing into liquid 
Oil vapour
Atmospheric air also contains oil in 
a gaseous form (oil vapour) which 
comes from inefficient industrial 
processes and car exhausts. As with 
other contaminants, oil vapour is 
drawn into the compressor intake 
and passes through the intake 
filter. Typically concentrations can 
vary between 0.05 and 0.5mg per 
cubic metre, but these can increase 
significantly should the compressor    
be sited near highways and heavy 
traffic. Additionally, lubricants 
used in the compression stage of a 
compressor can also be vaporised 
and carried into the compressed air 
system. This oil vapour will then cool 
and condense into a liquid. Oil vapour 
can also taint products and packaging 
with an oily smell and / or make 
workers feel unwell.
Atmospheric contamination  
entering the compressor
 Water Vapour
 Micro-organisms
 Atmospheric Dirt
 Oil Vapour
Contaminant Source 
No. 1
Ambient Air
Contaminant Source 
No. 2
The Air Compressor
Contaminant Source 
No. 3
The Air Receiver
Contaminants and sources  
in a compressed air system
Compressor Room
water. Condensation occurs at various 
stages throughout the system as the air 
is cooled further by the air receiver, the 
distribution piping and the expansion 
of air in valves, cylinders, tools and 
machinery.
Saturated air, water aerosols and  
liquid water cause:
 Corrosion to the storage and  
distribution system 
 Damage to valves, cylinders, tools 
and production equipment 
 Damage to products and packaging 
in direct contact with the air
 Increased microbiological  
  contamination
 Reduction in production efficiency 
 Increased maintenance costs
Liquid oil and oil aerosols
The majority of air compressors in use 
today still use oil in their compression 
stage for sealing, lubrication and 
cooling. The oil is in direct contact 
with the air as it is compressed, 
however due to the efficiency of 
modern air / oil separators built 
into the compressor, only a small 
proportion of this lubricating oil is 
carried over into the compressed 
air system as a liquid, an aerosol 
(typically no more than 5mg/m
3
 for  
a well maintained screw compressor) 
or as oil vapour. Liquid and aerosols 
mix with water in the system to form  
a thick, acidic condensate. 
Compressor condensate causes 
damage to the compressed air storage 
and distribution system, production 
equipment, products and packaging.
Atmospheric dirt
Atmospheric air in industrial and 
urban environments will typically 
contain 140 - 150 million dirt particles 
in every cubic metre. As 80% of these 
particles are less than 2 microns in  
size, they are therefore too small to be 
captured by the compressor air intake 
filter and will travel unristricted into 
the compressed air system.
Micro-organisms
Atmospheric air can contain up to 100 
million micro-organisms per cubic 
metre. Bacteria, viruses, fungi and 
spores are drawn into the intake of 
the air compressor and due to their 
size; will pass directly through the 
compressor intake filters and into the 
compressed air system. The warm, 
moist compressed air provides an ideal 
environment for their growth.
Many critical applications require 
Rust and pipescale
Rust and pipescale can be directly 
attributed to the presence of water 
in the compressed air system and 
is usually found in air receivers and 
distribution piping. Over time, the 
rust and pipescale breaks away 
to cause damage or blockage in 
production equipment which can 
also contaminate final product 
and processes. Rust and pipescale 
problems often increase for a period 
of time after the installation of dryers 
into older piping systems which were 
previously operated with inadequate 
or no purification equipment. 
Contamination introduced  
by the compressor
 Water Aerosols
 Condensed Liquid Water
 Liquid Oil
 Oil Aerosols
Contamination introduced by the air 
receiver and distribution piping
 Rust
 Pipescale
Total contamination entering the 
compressed air distribution system
 Water Vapour
 Microorganisms
 Atmospheric Dirt
 Oil Vapour 
 Water Aerosols 
 Condensed Liquid Water
 Liquid Oil
 Oil Aerosols
 Rust
 Pipescale
Contaminant Source 
No. 4
The Distribution Piping
Compressor Room
sterility and if contaminated compressed air 
can directly or indirectly contact products, 
packaging or production machinery, then 
sterility will be compromised. 
Loss of sterility can cause enormous 
financial damage for a company as  
micro-organism can:
 Potentially harm the consumer
 Diminish product quality 
 Render a product entirely unfit for use 
 Lead to a product recall
 Cause legal action against a company
07|08
Contaminant removal
To operate a safe and cost effective compressed air system, 
contamination must be removed or reduced to acceptable limits.
  Microbiological contamination
 Corrosion within storage vessels  
and the distribution system
 Damaged production equipment
 Blocked or frozen valves, cylinders  
air motors and tools
 Premature unplanned desiccant  
changes for adsorption dryers
In addition to problems associated with the 
compressed air system itself, allowing contamination 
such as water, particulate, oil and microorganisms to 
exhaust from valves, cylinders, air motors and tools, 
can lead to an unhealthy working environment with 
the potential for personal injury, staff absences and 
financial compensation claims.
Compressed air contamination  
will ultimately lead to:
 Inefficient production processes 
 Spoiled, damaged or reworked products
 Reduced production efficiency 
 Increased manufacturing costs
Failure to remove contamination can cause numerous problems in the compressed air system, such as:
It is important to look at each contaminant in detail, as due to the diversity of the contamination present, a number  
of purification technologies must be employed for its removal.
Compressed air contaminants
To many compressed air users, the realisation that there 
are ten major contaminants in a compressed air system is 
somewhat of a surprise. It is often thought that only three 
contaminants are present (Dirt / Water / Oil), however, 
upon closer examination, these three contaminants can  
be broken down further as: 
Dirt
 Micro-organisms 
 Atmospheric Dirt & Solid Particulate 
 Rust
 Pipescale
Water
 Water vapour
 Condensed Liquid Water
 Water Aerosols
Oil
 Oil Vapour
 Liquid Oil
 Oil Aerosols
Contamination Reduction / Removal
Purification 
Equipment 
Technologies
Bulk 
Condensed 
Water
Water Vapour
  Water 
Aerosols
Atmospheric 
Dirt & Solid 
Particulate
Micro-organisms   Oil Vapour
  Liquid Oil & 
Oil Aerosols
Rust & 
Pipescale
Water  
Separators  
Coalescing  
Filters              
Adsorption  
Filters  
Adsorption  
Dryers  
Refrigeration  
Dryers  
Dust Removal  
Filters        
Microbiological  
Filters*  
* To ensure the highest level of food safety and shelf life, Parker domnick hunter recommends that all contact and non-contact high risk air is treated 
with a sterilising grade filter to remove all microbial contamination.
09|10
Water separators
Water separators provide bulk 
condensed water and liquid oil 
removal and are used to protect 
coalescing filters against bulk liquid 
contamination (for example where 
excessive cooling takes place in air 
receivers and distribution piping 
installed prior to purification 
equipment).  
Water separators will only remove 
liquids and will not remove water  
or oil in either an aerosol or vapour 
phase.
Designs using centrifugal action 
provide the most efficient method  
for bulk liquid removal as they use  
a combination of directional change 
and centrifugal action to optimise 
separation efficiency and reduce 
energy costs.
Coalescing filters
When considering purification 
equipment, coalescing filters are vital 
for the cost effective operation of any 
compressed air system, regardless  
of the type of compressor installed.
A purification system will normally 
consist of two coalescing filters 
installed in series to remove water 
aerosols, oil aerosols, atmospheric 
dirt, micro-organisms, rust and 
pipescale.
Suppliers of oil-free compressors will 
often state that one of the coalescing 
filters is a particulate filter and  
the other is an oil removal filter, 
therefore, in oil-free compressor 
installations, there is no need for the 
oil removal filter.
In reality, both filters remove  
exactly the same contaminants.  
The first filter is a general purpose 
filter which protects the second, 
high efficiency filter from bulk 
contamination.
Omitting one of the filters in the 
belief that it is an oil removal filter 
will result in poor air quality due  
to contaminant bypass (carryover), 
high operational costs due to the 
pressure loss across the filter and 
more frequent filter element 
changes. Most importantly, omitting 
one of the filters will invalidate 
performance guarantees.
The dual coalescing filter installation 
ensures a continuous supply of  
high quality compressed air with  
the additional benefits of lower 
operational costs and minimal 
maintenance compared to a single 
high efficiency filter.
Compressed air dryers
Water vapour is water in a gaseous 
form and will pass through water 
separators and coalescing filters just 
as easy as the compressed air. Water 
vapour is therefore removed from 
compressed air using a dryer. The 
water vapour removal efficiency of a 
dryer (its performance) is expressed 
as a Pressure Dewpoint or PDP.
  Dewpoint refers to the 
temperature at which 
condensation will occur.
  Pressure Dewpoint or PDP  
refers to the dewpoint of air above 
atmospheric pressure. 
  Dewpoint is written as a  
temperature (but this is not the  
airs temperature).
  Compressed air with a PDP  
of -20C, would need the 
temperature to drop below  
-20C for any water vapour to 
condense into a liquid.
  A PDP of -40C is recommended  
for all food applications where air 
is in direct or indirect contact with 
production equipment, 
ingredients, packaging or 
finished products because a 
PDP better than -26C will not 
only stop corrosion, it will also 
inhibit the growth of micro-
organisms.
Compressor Air Receiver 
and Drain
Water 
Separator
Coalescing 
Filters
Adsorption 
(Desiccant) Dryer
Adsorption 
Filter
Dust 
Removal  
Filter
Dust 
Removal  
Filter
A solution for  
every contaminant
Compressor Room
Adsorption dryers
Water vapour is removed from 
compressed air using an adsorption 
dryer. Adsorption dryers remove 
moisture by passing air over a 
regenerative desiccant material 
which strips the moisture from the 
air. This type of dryer is extremely 
efficient. A typical pressure dewpoint 
specified for an adsorption dryer  
is -40C as it not only prevents 
corrosion, but it also inhibits the 
growth of micro-organisms. A 
pressure dewpoint of -70C is often 
specified for critical applications.
Refrigeration dryers (not shown)
Refrigeration dryers work by cooling 
the air, so are limited to positive 
pressure dewpoints to prevent 
freezing of the condensed liquid. 
Typically used for general purpose 
applications, they provide pressure 
dewpoints of +3C, +7C or +10C. 
Refrigeration dryers are not suitable 
for installations where piping is 
installed in ambient temperatures 
below the dryer dewpoint i.e. 
systems with external piping, or 
critical applications such as food, 
beverage or pharmaceuticals as  
they do not inhibit microbiological 
growth.
Dust 
Removal  
Filter
Dust 
Removal  
Filter
Dust 
Removal  
Filter
Transair  
Piping
Dust 
Removal  
Filter
Sterile  
Filter
Sterile  
Filter
Adsorption  
(Activated Carbon) filters
Oil vapour is oil in a gaseous form 
and will pass through a coalescing 
filter just as easily as the compressed 
air. Therefore, oil vapour removal 
filters must be employed which 
provide a large bed of activated 
carbon adsorbent for the effective 
removal of oil vapour, providing the 
ultimate protection against oil 
contamination.
Dust removal filters
Dust removal filters are used for the 
removal of dry particulates. They 
provide identical particulate removal 
performance to the equivalent 
coalescing filter and use the same 
mechanical filtration techniques  
to provide up to 99.9999% particle 
removal efficiency.
Sterile filters
Absolute removal of solid 
particulates and micro-organisms  
is performed by a sieve retention  
or membrane filter. They are often 
referred to as sterile air filters as they 
also provide sterilised compressed 
air. Filter housings are manufactured 
from stainless steel to allow for 
in-situ steam sterilisation of both  
the filter housing and element. It is 
important to note that the piping 
between the sterile filter and the 
application must also be cleaned  
and sterilised on a regular basis.
Important Note: 
As adsorption or refrigeration dryers are designed to remove only 
water vapour and not water in a liquid form, they require the use  
of coalescing filters to work efficiently.
Application
11|12
Are all compressed air filters  
and dryers the same?
Compressed air purification equipment is essential  
to all modern production facilities. It must deliver 
uncompromising performance and reliability whilst 
providing the right balance of air quality with the lowest 
cost of operation. Many manufacturers offer products  
for the filtration and purification of contaminated 
compressed air, which are often selected only upon their 
initial purchase cost, with little or no regard for the air 
quality they provide, the cost of operation throughout 
their life or their environmental impact. When selecting  
purification equipment, the required air quality, 
the overall cost of ownership and the equipments 
environmental impact must always be considered.
Air Quality 
Parker domnick hunter has been 
instrumental in the development  
of both ISO8573 and ISO12500,  
the international standards for 
compressed air quality and 
compressed air filter testing 
respectively. All Parker domnick 
hunter products are designed to 
provide air quality in accordance 
with all editions of ISO8573-1, air 
quality standard.
Energy Efficiency  
In these times of increasing energy 
costs, an efficient and cost effective 
manufacturing process is a major 
factor in maintaining the profitability 
and growth of your business. All 
Parker domnick hunter products are  
designed to not only minimise the 
use of compressed air and electricity 
in their operation, but also to 
significantly reduce the operational 
costs of the compressor by minimising 
pressure loss. 
Low Lifetime Costs  
Equipment with a low purchase cost 
may turn out to be a poor investment 
in the long term. By guaranteeing 
air quality and ensuring energy 
consumption is kept to a minimum,  
Parker domnick hunter purification 
products can reduce the total cost 
of ownership and help improve 
profitability through improved 
manufacturing efficiencies.
The Parker domnick hunter  
design philosophy
Parker domnick hunter has been 
supplying industry with high 
efficiency filtration and purification 
products since 1963. Our philosophy 
Designed for Air Quality & Energy 
Efficiency ensures products that 
not only provide the user with clean, 
high quality compressed air, but also 
with low lifetime costs and reduced 
carbon dioxide (CO
2
) emissions.
Reduced CO
2
 Emissions 
Many countries worldwide are 
looking closely at their manufacturing 
industries in an effort to reduce the 
amount of harmful greenhouse gases 
released into the atmosphere. The use 
of electricity has a direct impact on  
the generation and release of CO
2
. 
By significantly reducing the energy 
consumption of its products, Parker 
domnick hunter can help you to 
reduce your carbon footprint and 
protect the environment.
15|16 
After sales service
Compressed air equipment users demand much more than the supply 
of high quality products in order to maintain a competitive edge.
Modern production technology is increasingly demanding the 
provision of a higher purity and more reliable compressed air 
supply. Products and solutions that are manufactured by Parker 
domnick hunter are designed to provide air quality that meets with 
and often exceeds international standards. 
As well as the requirement for air purity and reliability, there are 
additional factors to consider when choosing the right service 
provider for your compressed air and gas purification system.  
For example, knowledge of the many regulations regarding the 
management of industrial waste, energy efficiency improvement 
programs and consideration of any environmental impact. It is 
anticipated that future legislations will demand further in-depth 
technical and knowledge based support from service providers. 
Our commitment to industry does not stop with the supply of 
high quality products. We are also committed to ensuring that our 
equipment provides high performance by providing a trouble-free 
service from a bespoke maintenance and verification package  all 
tailored to your own specific requirements. 
We offer a wide range of valuable services that will impact positively 
on your drive towards improved production efficiency and product 
quality with reduced production rejections and  operational costs. 
From initial selection to installation, commissioning, preventative 
maintenance and extended services, Parker domnick hunter is 
redefining customer service.
A dedicated solution for every application
The quality of air required throughout a typical compressed air  
system will vary depending upon the application for which it is used.
Treatment of the compressed air at only one point alone, for 
example the compressor room; is not enough. Compressed air 
should be treated prior to entry into the distribution system (to a 
quality level suitable for protecting air receivers and distribution 
piping) and then at the point of use, with specific attention being 
placed on the application and the level of air quality required. 
This approach to system design ensures that air is not over 
treated and provides the most cost effective solution to high 
quality compressed air.
The use of the ISO8573-1:2010 Air Quality Standard provides the 
system engineer with a simple method of specifying the air purity 
required at each point in the compressed air system. Using this 
standard allows Parker domnick hunter to quickly and easily 
select products from its comprehensive range of purification 
products to exactly match your system requirements and to 
ensure that both capital and operational costs are kept to a 
minimum. 
Critical Applications
Pharmaceutical products
Silicon wafer manufacturing
TFT / LCD Screen manufacturing 
Memory device manufacturing
Optical storage devices (CD, CD/RW, 
DVD, DVD/RW)
Optical disk manufacturing (CDs/
DVDs)
Hard disk manufacturing
Foodstuffs
Dairies
Breweries
CDA systems for electronics 
manufacturing
High Quality Oil-Free Air
Blow Moulding of Plastics e.g. P.E.T. 
Bottles
Film processing
Critical instrumentation
Advanced pneumatics
Air blast circuit breakers
Decompression chambers
Cosmetic production
Medical air
Dental air
Lasers and optics
Robotics
Spray Painting
Air bearings
Pipeline purging
Measuring equipment
Blanketing
Modified Atmosphere Packaging
Pre-treatment for on-site gas 
generation
General Purpose Oil-Free Air
General ring main protection 
Pre-filtration to point of use adsorption 
air dryers 
Plant automation 
Air Logistics
Pneumatic tools
General instrumentation
Metal stamping
Forging
General industrial assembly  
(no external pipework)
Air conveying
Air motors 
Workshop (Tools)
Garage (Tyre filling)
Temperature control systems
Blow guns
Gauging equipment
Raw material mixing
Sand / bead blasting
ENGINEERING YOUR SUCCESS..
AEROSPACE
Key Markets
 Aircraft engines
 Business & general aviation
 Commercial transports
 Land-based weapons systems
 Military aircraft
 Missiles & launch vehicles
 Regional transports
 Unmanned aerial vehicles
Key Products
 Flight control systems 
  & components
 Fluid conveyance systems
 Fluid metering delivery 
  & atomization devices
 Fuel systems & components
 Hydraulic systems & components
 Inert nitrogen generating systems
 Pneumatic systems & components
 Wheels & brakes
CLIMATE CONTROL
Key Markets
 Agriculture
 Air conditioning
 Food, beverage & dairy
 Life sciences & medical
 Precision cooling
 Processing
 Transportation
Key Products
 CO2 controls
 Electronic controllers
 Filter driers
 Hand shut-off valves
 Hose & fittings
 Pressure regulating valves
 Refrigerant distributors
 Safety relief valves
 Solenoid valves
 Thermostatic expansion valves
FILTRATION
Key Markets
 Food
 Beverage
 Pharmaceutical
 Semiconductor & Electronics
 General manufacturing
 Industrial machinery
 Life sciences
 Oil, gas & Marine
 Mining
 Power generation
 Process
 Mobile equipment
 Transportation
Key Products
 Compressed air filtration
 Compressed air drying
 Condensate management
 Compressed gas filtration
 Compressed gas drying
 Condition monitoring
 Engine air, fuel & oil filtration & systems
 Hydraulic, lubrication & coolant filters
 Process, chemical, water 
  & microfiltration filters
 Nitrogen, hydrogen & zero 
  air generators (industrial & analytical)
ELECTROMECHANICAL
Key Markets
 Aerospace
 Factory automation
 Food & beverage
 Life science & medical
 Machine tools
 Packaging machinery
 Paper machinery
 Plastics machinery & converting
 Primary metals
 Semiconductor & electronics
 Textile
 Wire & cable
Key Products
 AC/DC drives & systems
 Electric actuators
 Controllers
 Gantry robots
 Gearheads
 Human machine interfaces
 Industrial PCs
 Inverters
 Linear motors, slides and stages
 Precision stages
 Stepper motors
 Servo motors, drives & controls
 Structural extrusions
PNEUMATICS
Key Markets
 Aerospace
 Conveyor & material handling
 Factory automation
 Food & beverage
 Life science & medical
 Machine tools
 Packaging machinery
 Transportation & automotive
Key Products
 Air preparation
 Compact cylinders
 Field bus valve systems
 Grippers
 Guided cylinders
 Manifolds
 Miniature fluidics
 Pneumatic accessories
 Pneumatic actuators & grippers 
 Pneumatic valves and controls
 Rodless cylinders
 Rotary actuators
 Tie rod cylinders
 Vacuum generators, cups & sensors
FLUID & GAS HANDLING
Key Markets
 Aerospace
 Agriculture
 Bulk chemical handling
 Construction machinery
 Food & beverage
 Fuel & gas delivery
 Industrial machinery
 Mobile
 Oil & gas
 Transportation
 Welding
Key Products
 Brass fittings & valves
 Diagnostic equipment 
 Fluid conveyance systems
 Industrial hose
 PTFE & PFA hose, tubing & 
  plastic fittings
 Rubber & thermoplastic hose
  & couplings
 Tube fittings & adapters
 Quick disconnects
HYDRAULICS
Key Markets
 Aerospace
 Aerial lift
 Agriculture
 Construction machinery
 Forestry
 Industrial machinery
 Mining
 Oil & gas
 Power generation & energy
 Truck hydraulics
Key Products
 Diagnostic equipment
 Hydraulic cylinders 
  & accumulators
 Hydraulic motors & pumps
 Hydraulic systems
 Hydraulic valves & controls
 Power take-offs 
 Rubber & thermoplastic hose
  & couplings
 Tube fittings & adapters
 Quick disconnects
PROCESS CONTROL
Key Markets
 Chemical & refining
 Food, beverage & dairy
 Medical & dental
 Microelectronics
 Oil & gas
 Power generation
Key Products
 Analytical sample conditioning 
  products & systems
 Fluoropolymer chemical delivery 
  fittings, valves & pumps
 High purity gas delivery fittings, 
  valves & regulators
 Instrumentation fittings, valves 
  & regulators
 Medium pressure fittings & valves
 Process control manifolds
SEALING & SHIELDING
Key Markets
 Aerospace
 Chemical processing
 Consumer
 Energy, oil & gas
 Fluid power
 General industrial
 Information technology
 Life sciences
 Military
 Semiconductor
 Telecommunications
 Transportation
Key Products
 Dynamic seals
 Elastomeric o-rings 
 EMI shielding
 Extruded & precision-cut, 
  fabricated elastomeric seals
 Homogeneous & inserted 
  elastomeric shapes 
 High temperature metal seals
 Metal & plastic retained 
  composite seals
 Thermal management
Parkers Motion & Control Technologies
Parker is guided by a relentless 
drive to help our customers 
become more productive and 
achieve higher levels of 
protability by engineering  
the best systems for their 
requirements. It means looking 
at customer applications from 
many angles to nd new ways  
to create value. Whatever the 
motion and control technology 
need, Parker has the experience, 
breadth of product and global 
reach to consistently deliver.  
No company knows more about 
motion and control technology 
than Parker. For further info  
call 00800 27 27 5374.
Catalogue: 174004401_04_EN  11/11 2011 Parker Hannifn Corporation. All rights reserved.   Parker Hannifin Manufacturing Limited
domnick hunter Filtration and Separation Division
Dukesway, Team Valley Trading Estate 
Gateshead, Tyne and Wear
England  NE11 0PZ
Tel:  +44 (0)191 402 9000 
Fax: +44 (0)191 482 6296
www.parker.com/dhfns
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