Norgren R38 Series Datasheets - Manual (Page 2)

ALE-7-5
All Dimensions in Inches (mm)
R38 Aluminum Instrument Regulator
Littleton, CO USA Phone 303-794-2611 www.norgren.com
Technical Data
Fluid: Compressed air
Maximum pressure: 290 psig (20 bar)
Operating temperature: -40° to 175°F (-40° to 80°C) *
* Air supply must be dry enough to avoid ice formation at temperatures below 35°F (2°C).
Typical flow at 100 psig (7 bar) inlet pressure, 15 psig (1 bar) set pressure and a
droop of 1 psig (0.07 bar) from set: 17 scfm (8 dm 3 /s)
Typical relief differential at 30 psig (2 bar) outlet pressure:
2.3 psig (0.16 bar)
Maximum bleed flow at 30 psig (2 bar) outlet pressure (relieving types only):
0.003 scfm (1.5 cm 3 /s)†
† Maximum bleed rate occurs under dead-end (noflow) conditions.
Gauge ports:
1/4 NPT
Materials
Body: Aluminum
Bonnet: Aluminum
Adjusting screw: Steel
Elastomeric materials: Nitrile
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)
Service Kits
Item Type Part number
30 psig (2 bar) Range
Relieving R38-100-R
Non relieving R38-100-NR
60, 105 psig (4 bar, 7 bar) Range
Relieving R38-101-R
Non relieving R38-101-NR
Service kit includes diaphragm assembly, o-ring, valve,
valve spring and 8 pan head screws.
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