Spray Nozzles Spray Control Spray Analysis Spray Fabrication

Air Atomizing Nozzles
Variable Spray Air Atomizing Options
Allow Fine-Tuning of Spray Performance
Spangling/Cold Strip Mill
Our VAU and VMAU Air Atomizing nozzles allow you to adjust the atomizing air, fan
air and liquid flow independently. For example, you can reduce the atomizing air to
produce a larger drop size. Or, you can adjust the fan air line to regulate the spray
pattern and coverage without affecting the drop size or flow rate. Independent control
of the liquid flow also allows you to achieve various distribution patterns with
the use of just one nozzle. An additional inlet/outlet port allows for liquid recirculation
that effectively maintains the flow of viscous liquids such as oils.
The VMAU allows for a slightly finer adjustment of the spray for applications requiring
high precision. It also features a modular design approach for maximum flexibility.
Other unique features of the VMAU include:
• O-ring sealed air cap on the fluid tip for positive alignment and sealing
• Patent-pending modular body and threadless fluid tip design
• Available with anti-bearding set-ups
• Use of a baffling system for supplying the atomizing and fan air. This system distributes
both the fan and atomizing air equally, providing a more uniform spray
pattern.
Current VAU customers can easily change to the VMAU since the centerline distance
and mounting thread is the same on both nozzles.
VAU nozzles are available with seven different spray set-ups with flows ranging
from 0.74 to 47 gph (2.8 to 179 l/h). For complete performance data, request data
sheets 37459-V67B, 37459-V67A, 37459-V67, 37459-V113A, 37459-V113, 37459-128
and 37459-V152.
VMAU nozzles can utilize any of eight different spray set-ups that provide flow rates
ranging from 0.74 to 73 gph (2.8 to 276 l/h). The following chart provides liquid
capacity data for each of the available set-ups. Refer to the data sheets listed for
additional details and spray performance data.
Performance – VMAU Nozzles
Spray Set-up Number
Ordering Info
1/4VMAU – 316SS
Model # Material
Code
VMAU Air Atomizing Nozzle
Note: body, actuator and spray set-up must be ordered separately.
67
Liquid Capacity (Gallons per hour)*
3 20
SUVM113A – 316SS
Spray Set-up Material
Code
Data Sheet Number
SUVM67A-SS 0.74 2.9 52530-001
SUVM67B-SS 1.1 1.9 52530-002
SUVM67-SS 2.2 5.6 52530-003
SUVM113A-SS 3.6 9.4 52530-004
SUVM113-SS 4.9 12.8 52530-005
SUVM128-SS 10.8 28 52530-006
SUVM152-SS 19 50 52530-007
SUVM189-SS 28 73 52530-008
*At the stated pressure in psi.
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