Norgren R44 Series Datasheets - Manual

See Section ALE-24 for Accessories
ALE-10-2 Littleton, CO USA Phone 303-794-2611 www.norgren.com
R44
● Underwriters Laboratories, Inc. listed (file number
SA1089) for use with air, carbon dioxide, and inert
gases. For use with other gases, including oxygen,
consult Norgren.
● Compact design
● Brass, zinc, or aluminum bodies with plastic bonnet;
brass body also available with brass bonnet
● Plastic bonnet equipped with low torque, non-rising
pressure adjusting knob. Snap action knob locks
pressure setting when pushed in. Brass bonnet
equipped with pressure adjusting screw
● Non-relieving and relieving models. Relieving models
allow reduction of outlet pressure even when the
system is dead-ended
● Can be disassembled without the use of tools or
removal from the air line
UL Listed Miniature Pressure Regulator
Compressed Air, Carbon Dioxide, Inert Gases
1/8" or 1/4" PTF Port Sizes
Alternative Models
4 R 4 ★ ★ ★ ★ ★ - ★ ★ -
Port Size Substitute
1/8" 1
1/4" 2
Threads Substitute
PTF A
Outlet Pressure Adjustment Range† Substitute
1 to 10 psig (0.1 to 0.7 bar) A
5 to 50 psig (0.3 to 3.5 bar) E
5 to 100 psig (0.3 to 7 bar) K
Gauges Substitute
With G
Without N
Diaphragm Substitute
Relieving R
Non relieving N
Body/Bonnet Substitute
Aluminum/Plastic 00
Brass/Plastic 21
Zinc/Plastic 22
Brass/Brass 33
* Approximate flow with 100 psig (7 bar) inlet pressure, 90 psig (6.3 bar) set pressure
and a 15 psig (1 bar) droop from set.
† 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.
Ordering Information. Models listed include PTF threads, relieving diaphragm, 5 to 100 psig (0.3 to 7 bar) outlet pressure adjustment range†,
and without gauge.
Body Bonnet Medium Port PTF Model Flow * scfm (dm 3 /s) Weight lb (kg)
Aluminum Plastic Air, inert 1/8" R44-100-RNKA 10 (4.7) 0.23 (0.11)
gases 1/4" R44-200-RNKA 10 (4.7) 0.23 (0.11)
Brass Plastic Air, CO
2
, 1/8" R44-121-RNKA 10 (4.7) 0.45 (0.21)
inert gases 1/4" R44-221-RNKA 10 (4.7) 0.45 (0.21)
Zinc Plastic Air, inert 1/8" R44-122-RNKA 10 (4.7) 0.31 (0.14)
gases 1/4" R44-222-RNKA 10 (4.7) 0.31 (0.14)
Brass Brass Air, CO
2
, 1/8" R44-133-RNKA 10 (4.7) 0.54 (0.25)
inert gases 1/4" R44-233-RNKA 10 (4.7) 0.54 (0.25)