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Alphaloc Panels

Personnel Enclosure

Personnel Enclosures - prefabricated or custom panels may be applied to establish "quiet areas" within harsh, acoustical environments.


Custom Enclosure

Custom/OEM Enclosures - these systems reflect an optimum design to balance cost and performance for volume production.


Test Chamber

Test Chambers - high performance acoustical doors, windows and panels are ideally suited to both new construction or upgrading of existing test facilities.


Aerodynamic/Thermodynamic Acoustics

Aerodynamic/Thermodynamic Acoustics - the reduction of airborne noise, while maintaining the desired airflow and heat transfer may be achieved with acoustically treated air foils and turning vanes.


Process Machine Enclosure

Process Machine Enclosures - ASI Aeroacoustic designs process noise abatement systems with product logistic and accessability in mind.

Engineered Solutions for Noise

Fabricate custom walls, barriers and enclosures from pre-fabricated panel modules. Modular construction makes the project quick, economical and effective.

Light weight, high performance panel modules are ideally suited for use in walls, barriers and enclosures. Direct interchangeability of each module permits rapid assembly into rugged structures. Generic flexibility allows user to swiftly and easily alter or expand the configuration to meet changing needs. Two people using ordinary hand tools can assemble a complete system in a matter of hours. Variety of options will adapt the basic structure to meet environmental requirements and material logistics.

Features

  • Simple, rapid assembly with ordinary hand tools

  • Each panel is independently accessible without disturbing the adjoining sections

  • Total interchangeability of panel module permits alterations to enclosure layout without degrading acoustical performance

  • Fully demountable

  • Durable, light interior finish

  • Full exterior priming

  • All assembly hardware supplied - nothing else to buy

  • Single glazed, acoustically-sealed windows

  • May be skid-mounted for portability

Options

  • Complete factory assembly

  • Forced ventilation and/or air conditioning

  • Lighting

  • Electrical wiring and/or plumbing

  • Weather proofing

  • Acoustical floor

  • Vibration isolation (available with floor option)

  • Custom finishes

  • Double leaf doors

  • Acoustical labyrinths and ports

  • Speech designs for custom applications

  • Disposable air filters

Panel Enclosure
  1. Base angle - when secured to floor, provides attachment and positive acoustical seal for panel buttons.
  2. Corner module - seamless corners minimize noise leaks and adds structural rigidity to the system.
  3. Wall panel - standard panel module being utilized as wall section.
  4. Ceiling panel - standard panel module forming a ceiling section.
  5. Door module - interchangeable with standard panel module but includes a complete, preinstalled acoustical door and seals.
  6. Window module - directly interchangeable with standard panel module but contains a factory installed and acoustically-sealed window assembly.
  7. Panel connector - provides an acoustically-sealed structural joint between panels and decorative appearance.
  8. Panel cap - covers panel lip and provides structural alignment of panel tops.
  9. Ceiling trim - provides an additional acoustical seal and decorative facade.
Floor and Ceiling Attachment

Floor and ceiling
attachments provide
excellent acoustical
sealing and structural
rigidity. The floor
mounting angle may be
located inside or outside
the enclosure. All
attachment connectors
provide a smooth and
clear appearance to both
the interior and exterior
of the structure.


Reinforced Corner

A reinforced, seamless
corner assures acoustical
integrity while adding
overall rigidity of the
structure. Our unique
approach to the
interconnection of each
module permits individual
access to all elements
for placement or structural
modification.


Window Module

The window module may
be specified in lieu of a
standard panel. Each
window module is
available in either single
or double glazing,
consistent with the
performance criteria for
the enclosure. Although
the window assembly
is factory sealed, each
pane is removable for
cleaning or replacement.

Door Module

The door module is
totally interchangeable
with standard panel
modules. Each door
module is furnished
complete with the
acoustical jambs, seals
and safety latches. The
entire assembly is as
easily installed as a
panel module.



Panel Modules
Widths (W) Lengths (L) Panel Module
  8 Ft. 10 Ft. 12 Ft. 14 Ft. 16 Ft.
2 Ft. P28 P28 P28 P28 P28
3 Ft. P38 P38 P38 P38 P38
4 Ft. P48 P48 P48 P48 P48
Example:
  • A 3′(W) × 16′ L) standard panel module – P316
    A 4′(W) × 14′(L) standard panel module with acoustical vent –P414V
Other lengths and widths available upon request.

Corner Modules
  Lengths (L) Corner Module
  8 Ft. 10 Ft. 12 Ft. 14 Ft. 16 Ft.
Type I
(2 ft. × 2 ft.)		 C18 C110 C112 C114 C116
Type II
(1 ft. × 2 ft.)		 C28 C210 C212 C214 C216
Example:
  • A Type I corner module 8′ high(H) – C18
    A Type II corner module 12′ high(H) – C212
To make a 90° panel joint without a corner section, please specify Corner Joint in the applicable height.
Other lengths and widths available upon request.

Door and Window Panels
Widths (W) Lengths (L) Door and Window Panels
  1 Ft. 2 Ft. 3 Ft. 4 Ft. 5 Ft.
1 Ft.* W11 W12 W13    
2 Ft.** W21 W22 W23 W24 W25
3 Ft.*** W31 W32 W33 W34 W35
Single Glaze Safety Glass (no suffix)
Double Glaze Safety Glass (DG suffix)
  • * For P2, P3, P4 panel series and door modules
    ** For P3, P4 Panel series and door modules
    *** For P4 Series Panel only
Example:
  • A 3′(W) × 7′(H) window assembled in a 4′(W) × 14′(L) standard panel – P414 – W33
    A 2′(W) × 4′(H) double glazed window assembled in a 3′(W) × 10′(L) standard panel – P310 – W24DG
Note: Window pane center line is 4′ 6″
A door module may be specified by adding a “D” suffix to a standard panel module.
“D” suffix for P4 Module Only.
A 3′(W) &time; 7′(H) door is standard
Example:
  • Standard 3′(W) × 7′(H) door assembled in a 4′(W) × 16′(L) panel – P416D
    Standard 3′(W) × 7′(H) door with single glaze 1′ square window in a 4′(W) × 8′(L) panel – P48D – W11
Note: Window pane center line is 4′ 6″
For other door sizes or double leaf configuration, contact factory.
High performance jambs, seals and doors quoted upon request.


Panel modules are 4" thick and are framed with 14 gauge, galvannealed steel channel. One side is 14 gauge, acoustically treated, solid plate; the other is a perforated 22 gauge sheet. An inert, sound-absorbing material is compressed between the solid plate and perforated steel. The solid exterior is fully primed while the perforated exterior is finished with a durable, epoxy, ivory paint. If desired, the solid exterior may be supplied with a beige, epoxy finish.

When the panels are to be utilized in dust-free areas or exposed to atmospheric vapor such as oil or fluidic particles, or to hihgh humidity, it may be desirable to enclose the sound-absorbing material in a thin-wall, "mosture proof" barrier. Other panel finishes or materials are available for corrosive environments.

When required, forced ventilation and/or air conditioning are sized for enclosure volume and utilization. Please contact your local representative or the factory for application engineering assistance.


Standard Acoustical Panel Transmission Loss (dB)
  63Hz 125Hz 250Hz 500Hz 1KHz 2KHz 4KHz 8KHz
Type 1 18 21 28 39 52 53 56 52
Type 1A 18 21 28 39 52 53 56 52
Type 1C 20 22 31 41 51 55 53 56
Type 2 22 25 31 41 50 54 54 55
Type 3 21 23 34 44 50 56 62 60
Type 4 24 30 38 47 50 44 49 53
Type 5 28 35 47 57 62 65 65 65
Type 6 ** 42 53 62 67 70 69 **
Type 7 ** 27 41 52 59 64 67 **
Type 8 ** 21 28 39 52 53 56 **
Type 9 21 19 23 35 50 60 68 72
** Denotes ASTM Testing is Not Required at These Frequencies

Standard Acoustical Panel Absorption – Sabins per sq. ft.
  125Hz 250Hz 500Hz 1KHz 2KHz 4KHz 8KHz
Type 1 0.74 1.05 1.14 1.11 1.01 1.04 1.00
Type 1A 0.56 0.79 0.86 0.83 0.76 0.78 0.75
Type 1B 0.74 1.05 1.14 1.11 1.01 1.04 1.00
Type 1C 0.74 1.05 1.14 1.11 1.01 1.04 1.00
Type 2 0.74 1.05 1.14 1.11 1.01 1.04 1.00
Type 3 0.74 1.05 1.14 1.11 1.01 1.04 1.00
Type 4 0.74 1.05 1.14 1.11 1.01 1.04 1.00
Type 5 0.74 1.05 1.14 1.11 1.01 1.04 1.00
Type 6 1.24 1.13 1.09 1.11 1.04 0.94 **
Type 7 1.24 1.13 1.09 1.11 1.04 0.94 **
Type 8 0.30 0.70 0.90 0.99 0.90 0.80 **
Type 9 0.50 0.68 1.03 1.05 1.00 0.99 **
** Denotes ASTM Testing is Not Required at These Frequencies