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American Turbine Inc. HVLP Paint Spray Systems

What is HVLP and LVLP

HVLP - High Volume/Low Pressure

HVLP systems allow larger amounts of material to be delivered at lower pressure. These systems deliver air generated by a turbine to the spray gun via a flexible hose. The spray gun takes the high volume of air and reduces it to 4-10 psi (pounds per square inch) at 46-62 cfm (cubic feet per minute) allowing an even flow of the material with very little over-spray. The spray pattern of the HVLP gun can be set by adjusting the air cap in or out, thereby providing the amount and/or the fineness of the spray.

A turbine is similar to a vacuum cleaner motor. Turbines are rated by stages, or the number of fans they have. There are typically two to four stages. The fans operate at about 20,000 rpm. Turbines are normally smaller than compressors and weigh considerably less.

HVLP guns have larger passageways than compressor guns and airbrush guns. This is needed to accommodate the high volume of material passing through the fan under lower pressure.

Sprays of Rays LVLP - Low Volume/Low Pressure

Like HVLP, an LVLP system is turbine driven (1-stage), but it operates at 1 psi pressure at the gun with 41 cfm. The fine spray is quick drying and has very little over spray. LVLP was designed specifically for applying tanning solutions and exfoliants. The HVLP gun is the same as with HVLP systems to give you the spray pattern options, cool grip, material flow adjustment, and trigger adjustment. It takes approximately 5-10 minutes to spray an entire person in comparison to airbrushing which takes approximately 35-50 minutes.

Comparison of psi of spray systems:

Conventional compressor (airbrush) 35-45 psi
HVLP 4-10 psi
LVLP Sprays of Rays 1 psi

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Weight Sound Pressure Levels

DBA

Rocket at lift-off at close range
188
50 HP Siren at 100'
140
Jet takeoff at 100'
130
Thunderclap
120
Chain saw
100
Shop Vac at 1' (1.5 hp 6 gallon)
93
3/8" drill at 1'
92.4
Subway at 10'
90
100 watt hair dryer blow drying hair - high setting
84.1
3/8" drill at 5'
82.2
Garbage disposal
80
100 watt hair dryer on low setting
74
Sprays of Rays, Rheostat setting #6 at 3'
72.4
Sprays of Rays, Rheostat setting #6 at 10'
70.7
Speech at 1'
68
Sprays of Rays, Rheostat setting #4 at 3'
67.8
Sprays of Rays, Rheostat setting #4 at 10'
60.8
Large Store
60
Residence
48
Whisper at 5'
30
Sound Studio
25
Faint Whisper
20
Threshold of hearing
0

Recommended rheostat setting for spray tanning 4-5

Tests conducted using EXTECH Model 407736
Digital sound level meter. 1.5 dB accuracy, meets ANSI
And IEC 651 Type 11 standards.

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