BM S eries selection
BM SERIES
300 200
G
H
I
F
E
D
C
B
A
BM-321
G
F
E
D
C
B
BM-322
A
G
I
H
F
E
D
C
B
A
BM-301
100 80 60
G
BM-302
E
F
D
G
C
B
F
E
A
D
C
B
A
BM-201
F
E
D
C
B
A
Fs
BM-202
40 30
G
I
H
F
E
D
C
B
A
BM-101
G
F
D
E
B
C
A
BM-102
20
10
0.1
0.2
0.3 0.4 0.6 0.8 1
2 3 4 6 8 10
20 30 40 60 80 100 200 400
GPM
PERFORMANCE CALCULATION
OIL PRESSURE DROP (PSI) CODE
A = 1 PSI B = 2 PSI C = 3 PSI
G = 15 PSI H = 20 PSI I = 25 PSI
D = 4 PSI E = 5 PSI F = 10 PSI
F s =
Horsepower to be removed (HP) x 2545 x Cv °F (Oil Leaving - Ambient Air Entering)
BTU hr °F
=
Represents desired fluid leaving the cooler.
Note: Performance curves are based upon petroleum oil at 50 sus. For average oil viscosities other than 50 sus, use the correction factors Cv & Cp located on page 3. If the above models can not meet your cool- ing needs, please refer to our fan cooled models.
Standard Construction Materials
Standard Unit Ratings
Tubes
Copper
Manifold
Steel Steel Steel
Operating Pressure Operating Temp.
300 psig
Fins
Aluminum
Mount. bracket
400 o F
Turbulators
Steel
Cabinet
Air Flow Correction Chart
ELECTRIC MOTOR NEMA FRAME SIZES
2 3 4 5
C
BM - 101 BM - 102 Curve A 48 - 184
Curve B
BM - 321 BM - 322 Curve C 324 - 365
BM - 201 BM - 202 213 - 256
BM - 301 BM - 302 254 - 286
B
A
1 .8 .6 .4 .3 .2
EXAMPLE OF A MODEL BM - 302 - S
Series
Connections N = NPT S = SAE
Model
40 50 60 80
100
200
300 400 600 800 1000
Air Flow CFM
Use the following formula to correct for airflow rates for the given curves A,B, or C ( as it is shown in the above dotted line graph).
Formula
Example
Fs x C f = CFs ( corrected Fs )
123.7 x 1.50 (from curve) = 185.6 CFs
note: AIHTI reserves the right to make reasonable design changes without notice.
269
Copyright © 2019 - 2020 American Industrial Heat Transfer, Inc.
tel: 434-757-1800 355 American Industrial Drive LaCrosse, VA 23950
email: sales@aihti.com fax: 434-757-1810
Made with FlippingBook - professional solution for displaying marketing and sales documents online