Norgren R74R Series Datasheets - Manual (Page 2)

R74G/R General Purpose Regulators
Littleton, CO USA Phone 303-794-2611 www.norgren.com ALE-4-11
All Dimensions in Inches (mm)
Technical Data
Fluid: Compressed air
Maximum pressure: 300 psig (20 bar)
Operating temperature*: -30° to 175°F (-34° to 80°C)
*Air supply must be dry enough to avoid ice formation at temperatures below 35°F (2°C).
Typical flow with 150 psig (10 bar) inlet pressure, 90 psig (6.3 bar) set pressure
and a droop of 15 psig (1 bar) from set: 220 scfm (105 dm 3 /s)
Gauge ports:
1/4 PTF with PTF main ports
Rc1/4 with ISO Rc main ports
Rc1/8 with ISO G main ports
Materials:
Body: Aluminum
Bonnet : Aluminum
Valve: Brass
Elastomers: Nitrile
Bottom plug: Acetal
ISO Symbols
R74G Relieving R74G Non Relieving
R74R Relieving R74R Non Relieving
Typical Performance Characteristics
0 20 40 60 80 100 dm 3 /s
AIR FLOW
0 40 80 120 160 200 scfm
OUTLET PRESSURE
6
4
2
0
bar g
100
80
60
40
20
0
psig
PORT SIZE: 1/2"
INLET PRESSURE: 100 psig (7 bar g)
RANGE: 5 to 150 psig (0.3 to 10 bar)
FLOW CHARACTERISTICS
0 20 40 60 80 100 dm 3 /s
AIR FLOW
0 40 80 120 160 200 scfm
OUTLET PRESSURE
6
4
2
0
bar g
100
80
60
40
20
0
psig
PORT SIZE: 1/2"
INLET PRESSURE: 150 psig (10 bar g)
RANGE: 5 to 150 psig (0.3 to 10 bar)
FLOW CHARACTERISTICS
2.89 (74)
2.20 (56) 1.45 (37)
3.15 (80)
1.69 (43)
4.98 (127)
2.00 (50)
5.95 (151)
1.24 (31)
Service kit includes diaphragm assembly, valve assembly, valve
spring, bottom plug o-ring.
Service Kits
Item Type Part Number
Service kit Relieving 4381-700
Non relieving 4381-701
Panel mounting hole diameter: 2.06" (52 mm)
Panel thickness: 0.06" to 0.25" (2 to 6 mm)