AIR
PREPARATION
PRODUCTS
4
APP-83
For further information www.norgren.com
R38 Instrument Regulator
and B38 Filter/Regulator
Aluminum Model ¼" Port Size
Typical Performance Characteristics
Panel mounting hole diameter: 1.65"
(42 mm)
Panel thickness:
0" to 0.24" (0 to 6 mm)
0.51 (13)
2.52 (64)
2.52
(64)
2.95
(75)
1.26
(32)
5.71
(145)
2.09
(53)
1.18
(30)
∅1.65 (42)
INLET PRESSURE - 100 psig (7 bar g)
FLOW CHARACTERISTICS - PORT SIZE: 1/4"
0 2 4 6 8 10 dm
3
/s
AIR FLOW
0 4 8 12 16 20 24 scfm
OUTLET
PRESSURE
4
3
2
1
0
bar
g
50
40
30
20
10
0
psig
REGULATION CHARACTERISTICS - PORT SIZE: 1/4"
OUTLET
PRESSURE
4
3
2
1
0
bar
g
0 2 4 6 8 bar g
INLET PRESSURE
scfm dm
3
/s
0 20 40 60 80 100 psig
60
50
40
30
20
10
0
psig
7.9 3.7
3.6 1.7
5 2.4
2.5 1.2
MAXIMUM RECOMMENDED
FLOW THROUGH 1/4"
PIPE
10%
100%
200%
100% FLOW
INLET PRESSURE - 100 psig (7 bar g)
FLOW CHARACTERISTICS - PORT SIZE: 1/4"
0 2 4 6 8 10 dm
3
/s
AIR FLOW
0 4 8 12 16 20 24 scfm
OUTLET
PRESSURE
4
3
2
1
0
bar
g
50
40
30
20
10
0
psig
REGULATION CHARACTERISTICS - PORT SIZE: 1/4"
OUTLET
PRESSURE
4
3
2
1
0
bar
g
0 2 4 6 8 bar g
INLET PRESSURE
scfm dm
3
/s
0 20 40 60 80 100 psig
60
50
40
30
20
10
0
psig
7.9 3.7
3.6 1.7
5 2.4
2.5 1.2
MAXIMUM RECOMMENDED
FLOW THROUGH 1/4"
PIPE
10%
100%
200%
100% FLOW
** Minimum clearance required to
remove bowl.
Panel mounting hole diameter:
1.65" (42 mm)
Maximum panel thickness:
0.24" (6 mm)
0.51 (13)
2.52 (64)
2.52
(64)
2.95
(75)
1.26
(32)
5.71
(194)
2.09
(53)
3.11
(79)
9.17
(233)**
1/8" PTF
B38 R38
B38
R38
Dimensions in inches (mm)
