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t R405-1 02/2021
Fives North American Combustion, Inc.
4455 East 71st Street - Cleveland, OH 44105 - USA
www.fi vesgroup.com
CONTACT
fna.sales@fi vesgroup.com
T +1 800 626 3477 - F +1 216 373 4237
Min Flow Max Flow
dp@Max Min Flow
Max Flow dp@Maxx
Part Number
Size
(ft
3
/hr) (ft
3
/hr) (psi) (ft
3
/hr) (ft
3
/hr) (psi)
R405-4080
½
" 263 3810 1.27 307 5200 1.73
R405-4081
¾
" 485 7040 1.27 566 9610 1.73
R405-4047
1
806
16700
2.57
942
22800
3.52
R405-4271
1
½
" 1980 49300 3.72 2320 67300 5.08
R405-4088
2"
3310
82400
3.72
3870
112000
5.08
R405-4084
3"
7400
184000
3.72
8650
251000
5.08
R405-4275
4"
12900
320000
3.72
15050
438000
5.08
Min Flow Max Flow
dp@Max
Min Flow
Max Flow
dp@Max
Part Number
Size
(ft
3
/hr) (ft
3
/hr) (psi) (ft
3
/hr) (ft
3
/hr) (psi)
R405-4080
½
" 345 6600 2.20 280 7990 2.66
R405-4081
¾
" 638 12100 2.20 702 14760 2.66
R405-4047
1
1060
28900
4.46
1170
35000
5.40
R405-4271 1
½
" 2610 85400 6.46 2870 103000 7.79
R405-4088
2"
4360
142000
6.46
4790
172000
7.79
R405-4084
3"
9740
319000
6.46
10800
386000
7.79
R405-4275
4"
17000
555000
6.46
18700
672000
7.79
Min Flow Max Flow
dp@Max
Part Number
Size
(gal/hr)
(gal/hr)
(psi)
R405-4080
½
" 250 1310 11.7
R405-4081
¾
" 339 2420 11.7
R405-4047
1
437
4030
11.7
R405-4271
1
½
" 685 9910 11.7
R405-4088
2"
885
16500
11.7
R405-4084
3"
1330
37000
11.7
R405-4275
4"
2150
64500
11.7
Conditions: Natural Gas, 60°F, 0 fasl Elevation continued
40 psi
60 psi
60 psi
80 psi
100 psi
Conditions #2 Fuel Oil, 60°F, 0 fasl Elevation
(inlet pressure do es not aff ect below data)
WARNING:
Situations dangerous to personnel and property may exist with the operation and maintenance of any combustion equipment. The presence of fuels, oxidants, hot and cold combustion products, hot
surfaces, electrical power in control and ignition circuits, etc., are inherent with any combustion application. Components in combustion systems may exceed 160°F (71°C) surface temperatures and present hot
surface contact hazard. Fives North American Combustion, Inc. suggests the use of combustion systems that are in compliance with all Safety Codes, Standards, Regulations and Directives; and care in operation.
Sheet R405-1
page 2
