Brochure
Model
Number
A B C D E F G H J K
R-3F
26
7
/
8
(683)
8
(203)
10
13
/
16
(275)
8
1
/
16
(205)
10
3
/
4
(273)
22
3
/
4
(578)
3
5
/
8
(92)
1
1
/
4
(32)
3
(76)
12
(305)
R-4F
31
7
/
16
(799)
10
(254)
11
15
/
16
(303)
9
1
/
2
(241)
12
3
/
4
(324)
20
1
/
2
(521)
4
1
/
8
(105)
1
1
/
2
(38)
3
(76)
14
(356)
R-5F
37
(940)
12
(305)
14
1
/
16
(357)
10
15
/
16
(278)
16
(406)
23
3
/
4
(603)
5
1
/
4
(133)
1
1
/
2
(38)
3
(76)
16
(406)
R-6F
44
1
/
16
(1119)
14
(356)
16
13
/
16
(427)
13
1
/
4
(337)
18
(457)
25
3
/
4
(654)
5
11
/
16
(144)
1
1
/
2
(38)
3
(76)
19
(483)
R-8F
54
(1372)
18
(457)
19
7
/
16
(494)
16
9
/
16
(421)
24
(610)
31
3
/
4
(806)
7
11
/
16
(195)
2
(51)
3
(76)
23
(584)
R-10F
64
11
/
16
(1643)
22
(559)
22
5
/
8
(575)
20
1
/
16
(510)
30
(762)
37
3
/
4
(959)
9
5
/
8
(244)
2
(51)
3
(76)
28
(711)
R-12F
75
3
/
8
(1915)
27
(686)
25
3
/
4
(654)
22
5
/
8
(575)
36
(914)
46
3
/
4
(1187)
11
5
/
8
(295)
2
(51)
3
(76)
31
(787)
R-14F
89
7
/
8
(2283)
31
1
/
2
(800)
32
1
/
2
(826)
25
7
/
8
(657)
42
(1067)
54
1
/
2
(1384)
14
(356)
2
(51)
2
(51)
37
(940)
R-16F
102
3
/
4
(2610)
36
(914)
36
1
/
2
(927)
30
1
/
4
(768)
48
(1219)
62
1
/
2
(1588)
16
(406)
2
(51)
2
(51)
42
(1067)
R-18F
125
7
/
8
(3197)
40
1
/
2
(1029)
47
5
/
8
(1210)
37
3
/
4
(959)
54
(1372)
70
1
/
4
(1784)
18
(457)
2
(51)
2
(51)
52
(1321)
R-20F
135
7
/
8
(3451)
45
(1143)
49
1
/
8
(1248)
41
3
/
4
(1060)
60
(1524)
78
(1981)
20
(508)
2
(51)
2
(51)
56
(1422)
R-22F
148
1
/
8
(3762)
49
5
/
8
(1260)
52
3
/
4
(1340)
45
3
/
4
(1162)
66
(1676)
85
7
/
8
(2181)
22
(559)
2
(51)
2
(51)
60
(1524)
R-24F
159
3
/
8
(4048)
54
(1372)
56
1
/
8
(1426)
49
1
/
4
(1251)
72
(1829)
93
1
/
2
(2375)
24
(610)
2
(51)
2
(51)
64
(1626)
Dimensions in Inches (mm)
Please Note: Rolairtrols are also available in 2” and 2½” sizes, w/ grooved connections, w/ optional support brackets, and w/o
strainers. Cv values for units w/o strainers can be approximated by multiplying the above Cv values by a factor of 1.4 for units 3” – 12”
and a factor of 2.7 for units 14” – 24”. Please see official Bell & Gossett submittals for more specific information on these products.
Size
“R”- With
Strainer
C
v
3 119
4 257
5 398
6 632
8 1021
10 1789
12 2665
14 1445
16 1885
18 2340
20 2945
22 3725
24 4325
Rolairtrol Pressure Drop Chart (Consult Submittals for Detailed Data)
F
E
H
H
C
J
K
B
A
D
G
3”
3”– 12” MODELS WITH STRAINER
Approx.
Outlet
Inlet
To Compression Tank
DISTANCE
REQUIRED
TO REMOVE
STRAINER
14”– 24” MODELS WITH STRAINER
K
F
E
G
J
C
B
A
D
H
H
DISTANCE
REQUIRED
TO REMOVE
STRAINER
Outlet
Inlet
Date
Plate
To Compression Tank
20
10
10 100 1000 10000 20000
0.1
1
HEAD LOSS (FEET)
FLOW (GPM)
R3
R4
R5
R6
R8
R14
R10
R16
R18
R12
R20
R22
R24
C
V
11