Norgren B72G Datasheet

See Section ALE-24 for Accessories

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

B72G

● EXCELON design allows in-line or modular
installation

● High efficiency water and particle removal

● Quick release bayonet bowl

● Highly visible, prismatic liquid level indicator lens on

metal bowls

● Full flow gauge ports

● Balanced valve design for optimum pressure control

● Push to lock adjusting knob with tamper resistant

accessory

● Modular installations with EXCELON 72, 73, and 74
series can be made to suit particular applications

Excelon®72 Series Filter/Regulator

1/4" and 3/8" Port Sizes

ALE-12-4

ISO Symbols

Automatic and

Semi Automatic Drain

Relieving

Manual Drain

Relieving

Automatic and

Semi Automatic Drain

Non Relieving

Manual Drain

Non Relieving

Alternative Models

Ordering Information.

Models listed include PTF threads, knob adjustment, automatic drain, transparent bowl without guard,

40 µm element, relieving diaphragm, 5 to 150 psig (0.3 to 10 bar) outlet pressure adjustment rang*, 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" B72G-2AK-AL3-RMG 80 (38) 1.3 (0.59)
3/8" B72G-3AK-AL3-RMG 80 (38) 1.3 (0.59)

B 7 2-G

★ ★

-

★★ ★ ★

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

Element Substitute

5 µm 1
25 µm 2
40 µm 3

Adjustment Substitute
Knob K
T-bar T

-

★★ ★

Drain Substitute
1/4 turn manual Q
Semi automatic S
Auto drain A

Gauge Substitute
With G
Without N

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 psig** (0.6 to 17 bar) S

* 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.

** Only available with T-handle and metal bowl.

Bowl Substitute
Long metal with liquid level indicator E
Long transparent without guard L
Long transparent with guard W

B72G Filter/Regulators

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

ALE-12-5

All Dimensions in Inches (mm)

Technical Data

Fluid: Compressed air
Maximum pressure: Transparent bowl: 150 psig (10 bar)

Metal bowl: Manual or semi automatic drain: 250 psig (17 bar)

Automatic drain: 150 psig (10 bar)

Operating temperature*: Transparent bowl: -30° to 125°F (-34° to 50°C)

Metal bowl: -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 ).

Particle removal: 5 µm, 25 µm or 40 µm. Within ISO 8573-1, Class 3 and Class 5
Typical flow at 150 psig (10 bar) inlet pressure, 90 psig (6.3 bar) set pressure and

a droop of 1 bar (15 psig) from set: 80 scfm (38 dm3/s)
Manual drain connection: Will fit 1/8-27 and 1/8-28 pipe thread
Semi automatic drain connection: Push on 5/16" (8 mm) ID tube
Semi automatic drain operating conditions (pressure operated):

Bowl pressure required to close drain: Greater than 1.5 psig (0.1 bar)

Bowl pressure required to open drain: Less than 1.5 psig (0.1 bar)

Minimum air flow required to close drain: 1 scfm (0.5 dm3/s)

Manual operation: Lift stem to drain bowl
Automatic drain connection: Will fit 1/8-27 and 1/8-28 pipe thread - Flexible tube

with 3/16" (5mm) minimum I.D. can be connected to the automatic drain. Drain
may fail to operate if the tube I.D. is less than 3/16" (5mm). Avoid restrictions in
the tube.

Automatic drain operating conditions (float operated):

Bowl pressure required to close drain: Greater than 5 psig (0.3 bar)
Bowl pressure required to open drain: Less than 3 psig (0.2 bar)
Minimum air flow required to close drain: 0.2 scfm (0.1 dm3/s)
Manual operation: Depress pin inside drain outlet to drain bowl

Gauge ports: 1/8"PTF with PTF main por ts

1/8" ISO Rc with ISO Rc main ports

1/8" ISO Rc with ISO G main ports
Nominal bowl size: Bowl: 2.2 fluid ounce (65 ml)
Materials

Body: Zinc
Bonnet: Acetal (Zinc on 250 psi model)
Valve: Brass
Bowl

Transparent: Polycarbonate
Guard for transparent bowl: Zinc
Metal bowl liquid level indicator lens:

Transparent nylon
Element: Sintered polypropylene
Elastomers: Neoprene and nitrile

An automatic drain is a two-way valve, which will close when the system is

pressurized. The drain opens when the float rises due to accumulated liquid

and on depressurization.

Typical Performance Characteristics

† Minimum clearance required to remove bowl.

Service Kits

Item Type Part Number

Service kit

Relieving 4383-500
Non relieving 4383-501

5 µm 5925-03

Replacement elements 25 µm 5925-01

40 µm 5925-02

Liquid level lens kit Prismatic 4380-030

1/4 turn manual 619-50

Replacement drains Semi automatic 5379-RK

Automatic 4000-50R

Service kit includes diaphragm assembly, valve assembly,
valve spring, louvre o-ring, bowl o-ring, drain seal.

Panel mounting hole diameter 1.57" (40 mm)
Panel thickness: 0.16 (4 mm)