B73g filter/regulators, Ale-12-7, Technical data – Norgren Filter/Regulators User Manual

Page 7: Iso symbols, Typical performance characteristics, Service kits

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B73G Filter/Regulators

Littleton, CO USA

Phone 303-794-2611

www.norgren.com

ALE-12-7

All Dimensions in Inches (mm)

Technical Data

Fluid: Compressed air
Maximum pressure

Transparent bowl: 150 psig (10 bar)
Metal bowl: 250 psig (17 bar)

Operating temperature*

Transparent bowl: -30° to 125°F (-34° to 50°C)
Metal bowl: -30° to 175°F (-34° to 80°C)

* Air supply must be dry enough to avoid ice formation at temperatures below 35

°

F (2

°

C).

Particle removal: 5 µm, 25 µm or 40 µm filter element
Air quality: Within ISO 8573-1, Class 3 and Class 5 (particulates)
Typical flow with 150 psig (10 bar) inlet pressure, 90 psig (6.3 bar) set pressure
and 15 psig (1 bar) droop from set: 123 scfm (58 dm

3

/s)

Manual drain connection: Will fit 1/8-27 and 1/8-28 pipe thread
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 dm

3

/s)

Manual operation: Depress pin inside drain outlet to drain bowl

Nominal bowl size: 3.5 fluid ounce (0.1 liter)
Gauge ports:

1⁄4" PTF with PTF main ports
Rc1/4 with ISO Rc main ports
Rc1/8 with ISO G main ports

Materials

Body: Aluminum
Bonnet: Aluminum or Zinc
Valve: Brass
Bowl:

Transparent: Polycarbonate
Transparent with guard: Polycarbonate, steel guard
Metal: Aluminum
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.

Automatic Drain, Non-Relieving

Manual Drain, Non-Relieving

ISO Symbols

Automatic Drain, Relieving

Manual Drain, Relieving

Typical Performance Characteristics

0

10

20

30

40

50

dm

3

/s

AIR FLOW

0

20

40

60

80

100

scfm

OUTLET PRESSURE

6

4

2

0

bar

100

80

60

40

20

0

psig

PORT SIZE: 3/8"
ELEMENT: 40

µ

m

INLET PRESSURE: 100 psig (7 bar)
RANGE: 5 to 150 psig (0.3 to 10 bar)

FLOW CHARACTERISTICS

0

20

40

60

80

100

dm

3

/s

AIR FLOW

0

40

80

120

160

200

scfm

OUTLET PRESSURE

8

6

4

2

0

bar

100

80

60

40

20

0

psig

PORT SIZE: 3/8"

ELEMENT: 40

µ

m

INLET PRESSURE: 150 psig (10 bar)

RANGE: 5 to 150 psig (0.3 to 10 bar)

FLOW CHARACTERISTICS

2.68 (68)

2.45 (62)

1.22 (31)

2.20 (56)

3.80 (96)

5.80 (147)

1/4 Turn Manual Drain

Automatic Drain

8.15 (207)**

4.04 (103)

6.15 (156)

8.50 (216)**

2.00 (50)

1.22

(31)

0.45 (12)

** Minimum clearance to remove bowl.

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

Service Kits

Item

Type

Part Number

Service kit

Relieving

4383-600

Non-relieving

4383-601

Replacement elements

5 µm

4438-01

25 µm

4438-02

40 µm

4438-03

Liquid level lens kit

Prismatic

4380-020

Replacement drains

Automatic

4000-51R

Manual quarter turn

619-50

Panel mounting hole diameter 1.89" (48 mm)

Panel thickness: 0.25 (6 mm)

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