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MANIFOLDING SPRAY BOOTH DUCTWORK AND IMPROPER AIRFLOW

Spray booth exhaust ductwork

In this photo, an installer has chosen to manifold three spray booth exhaust duct runs. (A manifold is a pipe or chamber branching into several openings.)

This layout probably looked great on paper and reduced the number of roof penetrations from three to just one.

Reality is such as nasty teacher.   The static pressure (resistance to the flow of air) was greater in the top portion of the ductwork than in the spray booths.  The ductwork downstream from the manifold point (above the joints) should be much larger than what is in the photo.   The air ventilated out of one booth actually flows into its neighbor.

Our booths are designed to meet specific airflow needs and we design them with ductwork. The spray booths in the photo were designed to have individual exhaust ductwork runs; they were not installed according to the design or instructions provided by Standard Tools.

Manifolding of exhaust ductwork is allowed by NFPA-33 only if devices exist in the ductwork that detect improper airflow.  The static pressure within the spray booth will change as the overspray builds up in the exhaust filters and as the obstruction within the booth changes (based on size and shape of parts in the spray booth).  This can be very technical and overly-complex.  The simple rule, and what Standard Tools recommends, is no manifolding of exhaust ductwork.  Keeping ductwork simple is the least expensive and best performing strategy in the long run. We suggest that you install your booth, and your ductwork, according to our recommendations to ensure proper airflow within your booth.

A Bigger State-Of-The-Art Air Makeup Unit

Leading North Carolina paint booth manufacturer announces the big brother to their Sure-Cure® Air Makeup Unit Line

SureCure26K-500February 20, 2015 – GREENSBORO, N.C.—Standard Tools and Equipment Co. has been designing and manufacturing paint spray booths since 1997 and has built over 18,000 paint spray booths. In October of 2013, the company announced the release of their own air makeup unit (AMU), the Sure-Cure® AMU Ignite, available in 10K – 14K CFM with ETL certification.

Standard Tools and Equipment began 2015 with the release of the Ignite’s big brother, the Sure-Cure® AMU Inferno. Available in 17K – 26K CFM, it is also ETL certified and available for larger paint booths and truck booths.

Both units are designed, manufactured and sold by Standard Tools and Equipmen­­t from the Greensboro, North Carolina plant.

“The launch of the Sure-Cure AMU Ignite in 2013 was successful, we were selling units before we even announced the development. We got such positive feedback from our customers on our unit and our shipping times, that we got right to work designing the larger unit,” said Standard Tools and Equipment Co. CEO Michael Kestler.  “We continue to offer products to our customers that meet our high standards of excellence at an affordable price. Our AMU line provides them a safe and reliable unit with all the bells and whistles included in the marketed price. With the addition of the Inferno unit, we can provide a unit for any size booth they may have.”

One of the gaps in the market that the company noticed was the extremely long production times in ordering an AMU. We could design, customize, build and ship a paint booth in less than 10 days but our customers were waiting months for their air makeup units, which were sourced out at the time.

After some research, Standard Tools and Equipment decided that they wanted to start developing their own units. They were determined to make their air makeup units safer and quicker …  to meet the needs of their customer.

“We have built an extraordinary unit that can be built to the customer’s specifications, and shipped within just 2-3 weeks,” John Mauney, Director of Manufacturing at Standard Tools and Equipment Co. “We’re offering our customers the opportunity to be up and running quicker. We understand that they have a business to run and we want to help them do that.”

For Standard Tools and Equipment, that’s exactly how they began to make paint booths back in 1997. “We noticed a major need and as a player in the industry for many years, we already had all the right components to meet that need,” Kestler said.  “We have used our experience to develop over 18,000 booths that are unsurpassed in performance and value for our customers.”

As one of the largest Paint Booth manufacturers in the United States, Standard Tools and Equipment Company pulled together everything they had learned over the last 15+ years to develop air makeup units. Safety was important as the company started to plan out how their unit would be different than others on the market. Many safety features complete this AMU, including flame failure reset, multi-service disconnect and a low-flame auto setting at the loss of power. Their units are designed to be the safest available on the market today.

For more information on the Sure-Cure AMU products, visit https://www.paint-booths.com/category/paint-booth-air-make-up-units.html

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