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IMPORTED Vs AUSTRALIAN DESIGNED SPRAY BOOTHS

 
If you’re reading this page you are probably in the market for a new booth and you may have already had quotations from a supplier who is offering an imported spray booth.
 
We realise that we won’t be successful in every sales proposal we offer.  There are always valid reasons why customers purchase from a particular supplier.
 
Price is a common reason, as is quality.  Imported spray booths quite often are good quality and low price.
 
Let’s face the facts the world is a big place and with larger production requirements than Australia but the production is to suit the requirements of those markets with their own rules and regulations. Those regulations don’t always meet ours and ours are the ones we must follow.
 
Spray Booths sold in Australia must meet the requirements of the Australian Standard AS/NZS4114.1:2003
 
There are lots of different spray booths manufactured across the world and some that make it to Australia can be offered at prices well below some Australian manufacturers’ prices; sometimes half the price.
 
That should be enough to make you think. Why so cheap? If I can buy them at that price why don’t the Australian manufacturers buy them?
 
The answer is simple. They don’t meet the Australian Standards unless they are heavily modified to do so and the real cheap ones don’t meet the quality either.
 
The rules for manufacturing spray booths in Australia are among the most stringent in the world and Australian Standards do not recognise some of the certification schemes used in other countries.
 
We recently had an industrial customer import an automatic spray painting machine to be installed with his new gas-fired spray booth. The electrical inspector would not pass the installation because the servo motors driving the machine had ATEX approval and not IECEX approval certificates which are recognised in Australia. That was not a cheap exercise!

Another customer thought they would save some money by purchasing a new spray booth from China. Nearly eight months after the booth was installed (which also took months) it sits in his workshop with an EnergySafe " Do not use" sticker attached.
 
Notwithstanding electrical certifications our basic spray booth design regulations inhibit the use of most of the common overseas designs.
 
For example.
·        Heat exchangers must be pressure tested in accordance with AS/NZS 4114.1:2003 Section 5.3.2.2 (d)

·        The heat exchanger or the tip of the flame in a direct fired booth must be at least 2 metres away from the entry to the inlet plenum in Australia. This is not the case with overseas designs so therefore virtually every booth must be modified before it will be passed.

·        Lights must be only accessible from the outside of the cabin unless they meet the requirement of AS/NZS 2381.1 for Zone 1 areas and be fitted behind           permanently fixed glass that meets AS 2208.

 We recommend that you get a “B” Type gasfitter to go over the electrical schematic (diagram) before you purchase the booth to avoid lengthy delays and costs if the schematics don’t comply.  This might cost you a few hundred dollars but it is a small cost in comparison to costs involved with purchasing a booth that does not comply with Australian Standards.
 
If you’re still thinking about purchasing an imported spray booth we’ve prepared a questionnaire for you.
Ask your proposed supplier if he can prove the answers to the following questions. If not we hope to talk to you soon.

All spray booths and ovens manufactured by Process Finishing Solutions are designed by qualified technicians and can be verified prior to purchase if required.

Before purchasing a new spray booth ask your supplier these questions and ask for written confirmation from a “B” Type gasfitter.

 
·        Does the glass meet the requirements of AS 2208?
          Certificate from glass manufacturer________________________________________________
 
·        Are the lights only accessible from the outside of the cabin and meet the requirement of AS/NZS4114.1-2003 Section 3.4.3.2?
          Approval from B Type Gasfitter____________________________________________________
 
·        Has the Heat Exchanger been tested as per AS/NZS4114.1-2003 Section 5.3.3.2(d)?
          Approval from B Type Gasfitter____________________________________________________
 
·        Is the Heat Exchanger or burner flame more than 2 metres away from the entry to the inlet plenum as required by AS/NZS4114.1-2003 Section 1.7.3?
          Approval from B Type Gasfitter____________________________________________________
 
·        Is the exhaust fan non-sparking in design as per AS/NZS 2380.1?
          Approval from B Type Gasfitter____________________________________________________
 
·        Is the exhaust fan motor in the exhaust duct and if so does it have an IECEX Exe approval?
          No - OK
          Yes – IECEX approved Certificates from Motor manufacturer___________________________
 
·        Do the exhaust fan wiring components also have an IECEX Exe approval?
          Not applicable
          Yes – IECEX approved Certificates from Motor manufacturer___________________________
 
·        Are the gas train components & burner approved by the Australian Gas Authority?
          Approval from B Type Gasfitter____________________________________________________
 
·        Does the booth recirculate air in bake cycle and if so does it recirculate over the burner or heat exchanger?
          No-OK
          Yes - Approval from B Type Gasfitter_______________________________________________
 
·        Does the booth have a failsafe exhaust monitoring system?
          Approval from B Type Gasfitter____________________________________________________
 
·        Does the booth have mechanisms for stopping the spray painting operation if a door is open as required by AS/NZS4114.1-2003 Section 3.2?
          Approval from B Type Gasfitter____________________________________________________
 
If you are purchasing a diesel-fired booth the rules still apply so don’t be misled. The only difference is you might not get inspected on installation.
 
Some insurance companies are now asking for proof of compliance with AS/NZS 4114.1:2003 before they renew your insurance policy so don’t get caught out with a non-compliance spray booth; it could cost you a lot more than the price of an Australian designed one!