Norgren R72R Datasheet

See Section ALE-24 for Accessories

Littleton, CO USA Phone [phone] www.norgren.com

R72G/R

● Excelon design allows in-line or modular installation

● Full flow gauge ports

● Balanced valve design for optimum pressure control

● Push to lock adjusting knob with tamper resistant

accessory

● R72R reverse flow option

● Modular installations with Excelon 72, 73, and 74

series can be made to suit particular applications

Excelon 72 Pressure Regulator

1/4", 3/8" Port Sizes

ALE-4-6

ISO Symbols

R72G Relieving R72G Non Relieving

R72R Relieving

R72R Non Relieving

Ordering Information.

Models listed include unidirectional flow, PTF threads, knob adjustment, relieving diaphragm, 5 to 150 psig (0.3 to 10 bar)

outlet pressure adjustment range* with gauge.

† Typical flow with 150 psig (10 bar) inlet pressure, 90 psig (6.3 bar) set pressure and a 15 psig (1 bar) droop from set.

Port Size Model Flow†scfm (dm3/s) Weight lb (kg)
1/4" R72G-2AK-RMG 70 (33) 0.79 (0.36)
3/8" R72G-3AK-RMG 70 (33) 0.79 (0.36)

R 7 2

-

★ ★ ★

-

★★ ★ ★

Port Size Substitute
1/4" 2
3/8" 3

Threads Substitute
PTF A
ISO Rc taper B
ISO G parallel G

Diaphragm Substitute
Relieving R
Non relieving N

Gauge Substitute
With G
Without N

* 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 ra n g e s.

* 250 psi model only ava i l a b le with T- h a n d l e.

Adjustment Substitute
Knob K
T-bar T

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
10 to 250 (0.6 to 17 bar)*

Flow Type Substitute
Standard G
Reverse flow R

R72G/R General Purpose Regulators

Littleton, CO USA Phone [phone] www.norgren.com

ALE-4-7

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 fo r mation at temperatures below 35°F (2°C).

Approximate flow at 150 psig (10 bar) inlet pressure, 90 psig (6.3 bar) set pressure

and a droop of 15 psig (1 bar) from set: 70 scfm (33 dm3/s)

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

Materials:

Body: Zinc
Bonnet: Acetal (Zinc on 250 psi model)
Valve: Brass
Elastomers: Nitrile
Bottom plug: Acetal

Typical Performance Characteristics

Panel mounting hole diameter: 1.57" (40 mm)

Maximum panel thickness: 0.16" (4 mm)

Service Kits

Item Type Part Number

Service kit

Relieving 4381-500
Non relieving 4381-501

Service kit includes diaphragm assembly, valve
assembly, valve spring and o-rings.