FAQ

The Atomizing Spray Nozzles come pre-set from the factory in a fully open position. To reduce or stop flow, turn the stem clockwise. Be careful not to over tighten the stem as damage to the stem or liquid cap can occur. Once completely closed, 3-4 turns counterclockwise will result in a fully open flow.

The Reversible Drum Vac has no moving parts. Degradation in performance is most likely due to contamination from the compressed air supply. Maintenance on the Reversible Drum Vac is not normally required if it is provided with the proper air filtration. Disassemble the unit and clean according to the Installation and Maintenance instructions that came with your unit.

Also, large pressure drops are possible across filter separators if the element is clogged with dirt. Check filter and replace element if needed.

A troubleshooting guide is available for the Reversible Drum Vac.

The Line Vac has the potential to produce a static charge caused by the material being transported.

Static Eliminators are not designed to de-magnetize objects. Magnetic attraction and static attraction are two different phenomena that have nothing to do with each other. EXAIR Static Eliminators work to reduce static charges by providing positive and negative ions to the surface of a material to bring the total static charge back to neutral. Magnetic attraction is caused by lines of force created by the alignment of atoms in magnetized material.

The Reversible Drum Vac has the potential to produce a static charge which is caused by the material being transported.

Yes, EXAIR is a manufacturer, and we have the ability to alter the product for specific requirements (odd lengths of Air Knives, preset Vortex Tubes, special ionizers, etc.). We can also make a completely new design for a product. Please contact one of our Application Engineers to discuss your application.

EXAIR has two groups of products that are not for use around flammable materials, the conveying products and the static eliminators. The Line Vac, Drum Vac and Chip Vac conveying products all have the potential to produce a static charge caused by the material being transported. The static eliminating products all use high voltage technology to eliminate a static charge and could possible produce a spark by the high voltage emitter points.

The Chip Vac has the potential to produce a static charge which is caused by the material being transported.

The longest one piece Super Air Knife that we stock is 108". For applications requiring Air Knives longer than that, multiple Super Air Knives can be connected end to end with the Super Air Knife Coupling Bracket Kit, which produces a laminar, even, uninterrupted flow of air, from end to end, as long as you need. If you require a non-stock length Super Air Knife, EXAIR will make Air Knives in any length you want. We ship most orders for special length Air Knives in 3 Days after receipt of order.

The air exits the Air Wipe and Super Air Wipe at a 60° included angle. The airflow will impact the target material at a 30° wiping angle.

Air Knife with plastic shim: 180°F (82°C)

Aluminum Air Knife with stainless steel shim: 400°F (205°C)

Stainless Steel Air Knife with plastic shim: 180°F (82°C)

Stainless Steel Air Knife with stainless steel shim: 800°F (427°C)*

*Temperatures that exceed 800°F (427°C) may produce intergranular corrosion that can eventually plug the air gap opening.

No, blowers are not a source of air for Air Knives. Air Knives are designed to use compressed air. Blowers are large, expensive and noisy with 3" to 6" outlet connections. They do not produce enough pressure to operate an EXAIR Air Knife.

Air Knife with plastic shim: 180°F (82°C)

Aluminum Air Knife with stainless steel shim: 400°F (205°C)

Stainless Steel Air Knife with plastic shim: 180°F (82°C)

Stainless Steel Air Knife with stainless steel shim: 800°F (427°C)*

*Temperatures that exceed 800°F (427°C) may produce intergranular corrosion that can eventually plug the air gap opening.

No, blowers are not a source of air for Air Knives. Air Knives are designed to use compressed air. Blowers are large, expensive and noisy with 3" to 6" outlet connections. They do not produce enough pressure to operate an EXAIR Air Knife.