Norgren R73R Series - Manual

See Section ALE-24 for Accessories
Littleton, CO USA Phone 303-794-2611 www.norgren.com
R73G/R
● Excelon design allows in-line or modular installation
● Full flow gauge ports
● Balanced valve design minimizes effect of variation
in the inlet pressure on the outlet pressure
● Standard relieving models allow reduction of
downstream pressure when the system is
dead-ended
● Optional reverse flow models available for use
downstream of directional control valves
● Modular installations with Excelon 72, 73, and 74
series can be made to suit particular applications
Excelon 73 Pressure Regulator
1/4" 3/8", 1/2" Port Sizes
ALE-4-8
ISO Symbols
Relieving Non relieving
Alternative Models
Ordering Information. Models listed include uni-directional flow, PTF threads, knob adjustment, relieving diaphragm, 5 to 150 psig (0.3 to
10 bar) outlet pressure adjustment range*, with gauge.
R 7 3 - ★ ★ ★ - ★ ★ ★ ★
Threads Substitute
PTF A
ISO Rc taper B
ISO G parallel G
Adjustment Substitute
Knob K
T-bar T
Port Size Model Flow † scfm (dm 3 /s) Weight lb (kg)
1/4" R73G-2AK-RMG 91 (43) 1.36 (0.6)
3/8" R73G-3AK-RMG 144 (68) 1.36 (0.6)
1/2" R73G-4AK-RMG 144 (68) 1.36 (0.6)
Diaphragm Substitute
Relieving R
Non relieving N
Gauge Substitute
With G
Without N
Outlet Pressure Adjustment Range* Substitute
5 to 60 psig (0.3 to 4 bar) F
5 to 150 psig (0.3 to 10 bar) M
10 to 250 psig (0.7 to 17 bar) S
Port Size Substitute
1/4" 2
3/8" 3
1/2" 4
† Typical flow with 150 psig (10 bar) inlet pressure, 90 psig (6.3 bar) set pressure and 15 psig (1 bar) droop from set.
Flow Type Substitute
Uni-directional G
Reverse R
* Outlet pressure 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.