Norgren R43 Series User Manual
Norgren Hardware
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See Section ALE-24 for Accessories
Littleton, CO USA
Phone 303-794-2611
www.norgren.com
ALE-5-10
R43
●
Non-relieving models
●
Brass body, corrosion resistant construction
●
Balanced valve minimizes effects of inlet pressure
variations on outlet pressure
●
T-bar adjustment standard, nonrising knob
adjustment optional
●
Full flow gauge ports can be used as auxiliary outlets
●
Panel mounting nut standard
●
Can be disassembled without the use of tools or
removal from the air or water line.
Water and Compressed Air Service Pressure
Regulator 1/4", 3/8" and 1/2" Port Sizes
ISO Symbols
Non relieving
Alternative Models
4
R
3
★ ★ ★ ★
★
-
★ ★
-
Port Size
Substitute
1/4"
2
3/8"
3
1/2"
4
Outlet Pressure Adjustment Range*
Substitute
5 to 50 psig (0.3 to 3.5 bar)
E
5 to 125 psig (0.3 to 8.6 bar)
L
15 to 250 psig (1 to 17 bar)
S
Gauges
Substitute
With
G
Without
N
Diaphragm
Substitute
Non relieving
N
Adjustment
Substitute
Knob
00
T-handle with 1/4" and 3/8" ports
01
T-handle with 1/2" ports
06
Ordering Information
.
Models listed have T-handle adjustment, 5 to 125 psig (0.3 to 8.5 bar) outlet pressure adjustment range*, and PTF
threads. A gauge is not included.
Port
Model
Flow
†
U.S. gpm (lpm)
Weight lb (kg)
1/4"
R43-201-NNLA
6 (23)
2.4 (1.09)
3/8"
R43-301-NNLA
6 (23)
2.4 (1.09)
1/2"
R43-406-NNLA
9 (34)
2.4 (1.09)
Threads
Substitute
PTF
A
ISO Rc taper
B
ISO G parallel
G
* 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.
† Typical flow with 150 psig (10 bar) inlet pressure, 90 psig (6.3 bar) set pressure
and 15 psig (1 bar) droop from set.