Air Showers

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The CleanPro® Advantage

Superior Performance

Some air showers have a small blower/motor, low airflow and low pressure. CleanPro® air showers have a high velocity and a large air volume rate for fast, efficient cleaning. Our air showers offer the highest velocities combined with a large airflow rate to provide an air shower that quickly and efficiently cleans particulates from the surface of clean room garments.

Superior Construction Materials

CleanPro® standard air showers are constructed of an all-metal, painted steel shell with no wood or plastic laminate and is entirely silicone-free. The standard shower has a 16-gauge steel shell, heavy-duty glass door and door closer. The shell and concealed air ducts are finished with a white powder coat paint which provides a strong, durable cleanroom-compatible finish. The all-steel shell design will stand up to the rigors of shipping, installation, use, and the occasional abuse of a high-traffic entry system. The steel construction also reduces the chances of biological growth and contamination caused by systems using laminated particle board in the construction.

Superior Service Access

Service to the mechanical equipment, blower, motor, HEPA filter and prefilter is easily done from the inside of the air shower through a hinged access panel located in the interior ceiling of the air shower. This is desirable because you don’t have to penetrate the clean room ceiling surrounding the air shower for maintenance. Often the area around the air shower is not accessible because of ceiling filters, lights, ducts, pipes, walls or other equipment. Exterior-mounted service panels would make maintenance difficult or impossible in those cases. Our electrical control panels are conveniently mounted on the outside of the air shower above one of the entrances, and is serviced from outside the air shower.

Popular Air Shower Designs

CleanPro CAP701KD_ST Air Shower

Standard Air Showers

Air showers quickly and effectively remove particles so that they will not be carried into your cleanroom. These decontamination air showers feature rugged construction and adjustable, high velocity air jets.

CleanPro CAP701LP-ST Air Shower

Low-Profile Air Showers

Low-profile air showers have a side-mounted blower assembly, HEPA filter and electrical components, making them ideal for retrofits or where ceilings can’t be penetrated.

CleanPro Pass-Thru Air Shower

Pass-Through Air Showers

Pass-Through Air Showers offer an effective way to remove surface-deposited particles from large materials as you transfer them into the clean room. They can be used with carts, conveyors, pallets and continuous-part operations.

How to Specify an Air Shower

By answering the questions and providing your contact information below, one of our experts can help you find an air shower tailored to your application, and send you a detailed price quote. Need assistance faster? Contact one of our sales representatives Monday through Friday, 8:00 a.m. to 5:00 p.m. CST at (888) 903-0333.

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Air Shower Application (What does this mean?):

Air showers are not limited to cleanroom use. Other common applications include contaminate dispersal outside of production areas, and spray booth exits, where large amounts of powders and dusts are generated. These application use air showers in similar ways to cleanroom environments, only in the opposite direction. Any dust or airborne debris can be trapped in a filter and prevented from being tracked into non-production areas.

Air Shower Throughput (What does this mean?):

We refer to the number of people to be processed at a single time as throughput. For most cleanrooms, a single person air shower with a 30 second cycle time is adequate for efficiently getting people on and out of the cleanroom.

For larger cleanrooms where several people need to enter the cleanroom, a single person air shower may be impractical. For these applications, we can create a tunnel air shower. Tunnel designs allow people to pass through the air shower in a single file while continuously moving, as multiple air shower sections have cycles triggered. The dwell time for each person is the same as the single person air shower, allowing many people can enter the cleanroom in the same amount of time.

Approx. Space Available (How do I determine this?):

Air showers are closed-loop, self-contained devices. There must be enough room to install them. A standard, single person steel air shower is roughly 50" wide x 54" deep x 120" tall, with the blower installed on the top. Low profile air showers with a blower installed on the side are also available, reducing the height to roughly 96". Steel air showers are not easily customized with respect to size. For older buildings with tighter space constraints, we can custom build air showers out of plastic laminate that will precisely fit the space you have.

Specify Layout (How do I determine this?):

The most common type is straight through, where people simple enter in one size and exit on the other. To accommodate other requirements, we can make 90° turn air showers, or air showers with three doors. We can also build air showers approved for ADA applications.

Air Shower Designs Air Shower Designs
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Optional Features

Although most air shower applications just require the basics: enter, cleaning cycle and exit, there are a large number of customizations available to suit any application. Examples include stainless steel shells for pharmaceutical applications, explosion-proof blower cabinets, key card access, fire alarm integrations, and motion sensor starts.

Important Installation Considerations

Most common air showers have a blower cabinet that must be suspended at 8' while the side wall air chases are attached. That means there will have to be some lifting mechanism to hold it in place, most often a forklift. You must account for not only installing the air shower in its final location, but also having a device capable of accessing that area.

How are Air Showers Shipped & Installed?

Air shower can be shipped fully assembled (on its side on the skid) or knocked down with the wall panels off from the upper blower cabinet, allowing the components of the air shower to fit through a standard 3' x 7' door opening when removed from the shipping skid. If the components are required to fit through a different size door, please indicate so in the quote request.

Air showers can be installed so the entire air shower sticks through the wall, with space around the air shower. This space is filled with an optional trim angle. The shower can also butt up against a wall with an opening large enough for the door and related end-mounted hardware (approximately 48" x 90"). Please request a quote before planning cut-outs, as different configurations and sizes may require different cut-out sizes. When the unit is butting against the wall, the contact point between the air shower and the framed opening is typically caulked or a small trim molding is applied. The exterior of the air shower would also have a trim angle.

What is the Typical Installation Process?

When shipped fully assembled on its side, the weight for an air shower is approximately 1,300 lb. Two eye bolts located on the top of the air shower can be used to assist in lifting. After standing up the unit, it is then moved into position and leveled using shim stock and is anchored to the floor (anchors to be provided by the installer).

When the unit is shipping knocked-down, the air shower upper blower cabinet is 650 lbs. The wall panels are 250 lbs. The knocked-down air shower needs room on the sides of the unit during the assembly process to install the 3/8" mounting bolts. To assemble the unit, the blower section is taken off the skid and raised into position. The two wall sections are then bolted from the outside onto the upper blower housing. At this point, the assembly is self-supported. The doors are attached, power is connected, and the unit is ready to run. Assembly is fast and uncomplicated. Each unit is shipped with a detailed manual. We do recommend using mechanical lifts to assist in the assembly process. Once the unit is assembled, no space is required on the sides of the unit. After the unit is assembled, moved into place, and the mounting is complete:

  1. An electrician needs to connect power to the air shower, start the unit, and check blower rotation.
  2. A sprinkler contractor needs to install the sprinkler.
  3. The installer touches up the paint (if needed).
  4. The installer adjusts the doors and door closers (if needed).
  5. The installer adjusts the magnetic door interlocks (if needed).
  6. The installer confirms that high-velocity air is flowing out the nozzles at approximately 90 MPH. If the blower is running backwards, air will still come out of the nozzles, but only at about 15 MPH. Blower rotation can also be confirmed by looking at the blower itself.
  7. The installer cleans the inside of the air shower and the interior floor space.
  8. The installer seals any seams with caulk (provided by the installer) as required.
How does Garment Type Influence Cleaning Effectiveness?

Types of garments, size, shape and type of contamination affect the cleaning effectiveness of the shower. Lint, hair, dander, skin flakes and other large, light particles are the easiest to remove. Contaminating particles adhere to garments in two ways: Either by mechanical entrapment, or an electrical attraction. You can reduce mechanical bonds between the garment and particulate by using smooth surface, cleanroom designed garments made form synthetic materials like Tyvex, Gortex, polyester and nylon. These low shedding materials minimize the mechanical bond, making it easier to blow surface contamination off the garment. Natural fibers like cotton, tend to shed particles and have a higher mechanical bond with particulates making them harder to clean. Synthetic garments can develop a static charge, that can hold particles.

Laundering your garments with "anti-static" agent in the final rise will reduce the level of static charge, allowing particles to be more readily removed. Some garments are available with special built-in conductive fibers that can assist in keeping the surface charge to a minimum. Consult your garment supplier for details. Installing point ionization (static neutralization) on the inside walls dissipates some of the charge on garments, reducing the holding charge of the garment, making it easier for the air to blow off particulates. Much of the contamination of a cleanroom is carried in on the garments of people working inside the room, bringing it into the most critical area. With out air showers, people are often cleaner when leaving the cleanroom because a large portion of contaminates that were on their garment, have fallen off. Using an air shower effectively removes that contamination, that would have otherwise come off in the cleanroom.