Data Sheet for Product

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Siemens Industry, Inc.
Description
The Lab Room Exhaust Air Terminal consists of the
following components:
• Round duct casing, damper blade, and airflow
sensor in sizes from 4 inches to 18 inches
diameter.
• Material offerings: Galvanized steel, 316L
stainless steel, Teflon-coated cold-rolled steel.
• (Optional) Galvanized steel equipment enclosure
with exterior supply connection.
• (Optional) Factory-mounted controls.
Specifications
Materials (within air stream) – Standard
Construction
A
22-gauge Galvanized steel casing,
orifice & blade. Shaft is zinc-plated
steel. Volara Type A polyurethane
blade seal – meets ASHRAE 130.
Type A or B sensors available.
Construction
B
20-gauge 316L stainless steel
casing, orifice & blade. Shaft is
solid stainless steel. Volara Type A
polyurethane blade seal – meets
ASHRAE 130.
Type A sensors only.
Construction
C
Teflon-coated 18 ga. Cold-rolled
Carbon Steel casing, orifice, blade,
shaft, nuts, bolts. Teflon blade seal
– meets ASHRAE 130.
Type A sensors only.
Damper Shaft
Teflon shaft bushings.
1/2-inch (1.27 cm) diameter.
End marked with blade position.
Flanges
Comply with SMACNA RIDCS.
Seam welded BEFORE coating for
A or C code.
Materials (outside air stream) – Standard
Control Enclosure
18-gauge galvanized steel.
Pneumatic Tubing
UL rated 94 V-2 fire retardant.
Pneumatic Fittings
with enclosure only
Brass, dual barbed.
Airflow Measurement
Sensor Type A
Square edge orifice plate.
One set of averaging pressure taps.
Same material as duct casing.
Sensor Type B
Four quadrants, with 12 sensing
points, center averaging and signal
amplification.
One set of averaging pressure taps.
Accuracy
Flow Measurement
±3% of actual flow @ listed ranges
(Sensor only, per AMCA 610.)
Installation
Requirements
Rigid duct of the same diameter 1 x
duct diameters upstream from the
sensor, or taper angle less than 30
degrees.
Airflow Control
Damper Blade
Round single blade with 90 degree
control.
Environmental
Operating
Temperature/% RH
40 to 120°F (4 to 50°C)
0 to 95% non-condensing
Storage
Temperature/% RH
-10 to 150°F (-23 to 65°C)
0 to 95% non-condensing
Dimensions
Sizes
See Figure 2 and Figure 3
Weight
20 to 32 lbs. (9.1 to 14.5 kg)