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Armstrong University
About Armstrong
Steam Coil Request For Quote
(Replacement for Existing Coil[s])
Performance Requirements
Air flow quantity
SCFM
ACFM
lb/hr
kglhr
Altitude above sea level
ft
meters
Humidity ratio (not RH) moisture/dry air (process applications only)
lb
kg
Design entering air temperature
°F
°C
Design leaving air temperature
°F
°C
Steam pressure at the coil(s)
psig
psia
bar
Steam pressure
Modulated
Constant
Maximum air pressure drop (in wg)
Special requirements not covered above
System and Coil Configuration (Existing Installation)
Air flow direction
Horizontal
Vertical up
Vertical down
Fan location
Before coil(s)
After coil(s)
Coil tube orientation
Horizontal
Vertical
Type of coil
Standard
Centifeed
Tandem
Centifeed-tandem
Connection type
MPT
FPT
Flanged
Conn Sizes: Steam
in
mm
Condensate
in
mm
Connection locations
Opposite end
Same end
Tube material
Fin material
Fin thickness
in
mm
Fins: (Count spaces)
in
mm
Fin type
Plate
Spiral wound
Extruded
Welded
Number of rows of tubes in each coil
One
Two
Three
Other
Other Qty.
Number of coils in parallel
Number of coils deep in airstream
Coils are
Duct-mounted
Removable with outer case
Core only
Special requirements not covered above
Coil Requirements (Replacement Coil)
Type of Coil
Standard
Centifeed
Tandem
Centifeed-tandem
Connection Locations
Opposite End
Same End
Optional
Tube Material
Steel
304-L Stainless
316-L Stainless
Fin Material
0.020" Aluminum/Keyfin
0.030" Aluminum/Keyfin
0.016" Copper/Keyfin
Steel/L-Fin
Stainless Steel/L-Fin
Special requirements not covered above
Dimensions
Click the proper coil arrangement and record dimensions in box below
Standard or Tandem Coil - Inside Headers
Standard or Tandem Coil - Outside Headers
Centifeed, Centifeed Tandem or Return Bend Coil -
Inside Header
Centifeed, Centifeed Tandem or Return Bend Coil -
Outside Header
Casing width
in
cm
Casing length
in
cm
Casing depth
in
cm
Overall length (outside headers only)
in
cm
Connection offset
in
cm
Notes:
Width is always measured along the header and length along the tubes. Dimensions and hole locations are Armstrong Standards. Any required variances from these should be noted below. Armstrong supplies vent connections on
standard
horizontal tube coils only.
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