Norgren V72G Datasheet
Littleton, CO USA Phone 303-794-2611 www.norgren.com
V72G
● Excelon design allows in-line or modular installation
● Push to lock adjusting knob with tamper resistant
accessory
● Helps protect air operated equipment from over
pressure by retarding excessive pressure build up
● Modular installations with Excelon 72, 73,and 74
series can be made to suit particular applications
● Relief port located on bottom allows easy installation
72 Series Pressure Relief
Valve 1/4",3/8" Port Size
ALE-14-4
See Section ALE-24 for Accessories
Ordering Information. Models listed include PTF threads, knob adjustment, and a 5 to 150 psig (0.3 to 10 bar) outlet pressure adjustment range*.
Port Size Model Weight lb (kg)
1/4" V72G-2AK-NMN 0.73 (0.33)
3/8" V72G-3AK-NMN 0.73 (0.33)
V 7 2-G
★ ★
-
★★
N
★
Port Size Substitute
1/4" 2
3/8" 3
Threads Substitute
PTF A
ISO Rc taper B
ISO G parallel G
Gauge Substitute
With G
Without N
Alternative Models
Outlet Pressure Adjustment Range* Substitute
5 to 30 psig (0.3 to 2 bar) C
5 to 60 psig (0.3 to 4 bar) F
5 to 150 psig (0.3 to 10 bar) M
* Relief valve can be adjusted to pressures in
excess of and less than those specified. Do not
use these units to control pressures outside of
the specified ranges.
Adjustment Substitute
Knob K
T-bar T
ISO Symbol
V72G Pressure Relief Valve
Littleton, CO USA Phone 303-794-2611 www.norgren.com
ALE-14-5
All Dimensions in Inches (mm)
Technical Data
Fluid: Compressed air
Maximum pressure: 300 psig (20 bar)
Operating Temperature*: -30° to 150°F (-34° to 65°C)
* Air supply must be dry enough to avoid ice formation at temperatures below 35°F (2°C).
Gauge Ports:
1/8" PTF with PTF main ports
1/8" ISO Rc with ISO Rc main ports
1/8" ISO Rc with ISO G main ports
Exhaust Port:
1/4" PTF with PTF main ports
1/4" ISO Rc with ISO Rc main ports
1/4" ISO Rc with ISO G main ports
Materials
Body: Zinc
Bonnet: Acetal
Valve: Brass
Elastomers: Neoprene
Bottom Plug: Acetal
Typical Performance Characteristics
Panel mounting hole diameter: 1.57" (40 mm)
Maximum panel thickness:0.16" (4 mm)
psig
bar g
12
150
9
120
90
6
INLET PRESSURE
60
3
30
0
0
0 10 20 30 40 50 60 scfm
0 5 10 15 20 25 dm3/s
RELIEF CHARACTERISTICS
PORT SIZE: 1/4"
RANGE: 5 to 150 psig (0.3 to 10 bar g)
AIR FLOW
1.89 (48)
1.38 (35)
1.01 (26)
2.88 (73)
1/4" exhaust port 1/4" exhaust port
1.97 (50)
0.98 (25)
2.48 (63)
1.97 (50)
1.38 (35)
1.01 (26)
1.89 (48)
4.03 (102)
0.98 (25)
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