Raypak 302BD-902BD Boiler User Manual


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Catalog No.: 2000.303A Effective: 11-15-07 Replaces: 8-15-07
Hi Delta FlexGas – Type H
Models 302BD-902BD Model
RATES OF FLOW AND PRESSURE DROPS
10°F ∆T 20°F ∆T 30°F ∆T
Min. Flow Max. Flow
Model GPM
∆P (ft)
GPM
∆P (ft)
GPM
∆P (ft)
GPM
∆P (ft) ∆T
GPM
∆P (ft) ∆T
302BD 51 3.2 25 <1.0 N/
A
N/
A
20 <1 25 90 9.8 6
402BD 68 5.4 34 1.5 22 <1 20 <1 34 90 10.0 7
502BD 85 9.2 42 2.3 28 1.1 21 <1 40 90 10.5 9
652BD N/A N/A 55 4.0 36 1.8 28 1.1 40 90 10.7 12
752BD N/A N/A 64 5.5 42 2.5 32 1.6 40 90 11.0 14
902BD N/A N/A 76 8.5 51 3.8 38 2.2 40 90 11.8 17
Basis is 20 GPM or 40°F ∆T for minimum flow, 90 GPM for maximum flow.
NOTE: Pump location
varies based on model
and application
SPECIFICATIONS
A
pprox.
MBTUH
A
BGH
K
T W
A
mp. Shipping
Model Input Output Width
Nat
Pro
NPT Draw* Wt. (Lbs)
302BD 300 252 36 41 1-1/4 3/4 2 5 6 18 6 405
402BD 399 335 43
41
1-1/4
3/4
2 6 6 18-1/2 6 470
502BD 500 420 50
35-1/2
1-1/4
3/4
2 6 6 22 6 570
652BD 650 546 60-1/2
30-1/2
1-1/4
3/4
2 8 6 27-1/4 6 615
752BD 750 630 67-1/2
27-1/2
1-1/4
1-1/4
2 8 6 30-3/4 6 700
902BD 900 756 78
34-1/2
1-1/4
1-1/4
2 8 6 36 7 765
* Without pump
NOTES:
1. Dimensions are in inches
2. Rates shown are for natural or propane gas, and
elevations up to 5,000 feet. For installation above
5,000 feet, please contact manufacturer.
3. Required natural gas supply pressure is 7 - 10.5” WC.
Required propane gas supply pressure is 11 - 13” WC.
Raypak, Inc. 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (800) 872-9725 www.raypak.com
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