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L73C, L73M
EXCELON® 73
Micro-Fog® and Oil-Fog Lubricators
1/4", 3/8", 1/2" Port Sizes
q EXCELON design allows in-line or modular
installation
q Quick release bayonet bowl
q Flow sensor design provides a nearly constant oil/air
ratio over a wide range of air flows
q Highly visible, prismatic liquid level indicator lens
q All around (360°) visibility of thesight-feed dome
simplifies installation and adjustment
q Modular installations with EXCELON 72, 73, and 74
series can be made to suit particular applications
Use Micro-Fog models in applications containing one or more
points of lubrication.
Use Oil-Fog models to lubricate a single tool, cylinder, or other air
driven device.

Technical Data

Ordering Information

Fluid: Compressed airMaximum pressure:
Transparent bowl: 10 bar (150 psig)
Metal bowl: 17 bar (250 psig)
Operating temperature*:
Transparent bowl: -20° to +50°C (0° to +125°F)
Metal bowl: -20° to +80°C (0° to +175°F)

See Ordering Information on the following
pages.

* Air supply must be dry enough to avoid ice formation at temperatures below +2°C
ISO Symbols

(+35°F).

Start point (minimum flow required forlubricator operation): 0,71
dm3/s (1.5 scfm) at 6,3 bar (90 psig) inlet pressure
Maximum recommended flow: 28 dm3/s (60 scfm). Air flows above
28 dm3/s (60 scfm) create excessive air velocity, turbulence, and
pressure losses. In addition, the fog produced by the lubricator
will wet out on the pipe walls and will not be carried by the
compressed air to the point of application.
Typical flowwith 6,3 bar (90 psig) inlet pressure and 0,25 bar
(3.5 psig) pressure drop: 38 dm3/s (80 scfm)
Nominal bowl size: 0,1 litre (3.5 fluid ounce)
Manual drain connection: 1/8"
Recommended lubricants: See page N/AL.8.900.935
Materials:
Body: Aluminum
Bowl:
Transparent: Polycarbonate
Transparent with guard: Polycarbonate, steel guard
Metal: Aluminum
Metal bowl liquid level indicator lens:Transparent nylon
Sight-Feed dome: Transparent nylon
Elastomers: Neoprene and nitrile
4/98

No Drain

Our policy is one of continuous research and development.
We reserve the right to amend, without notice, the specifications given in this document.

With Drain

N/AL.8.180.400.01

L73M, L73C

Typical Performance Characteristics
psid

psid

bar d

INLET PRESSURE:
2,5 (36)bar (psig)

PRESSURE DROP

PRESSURE DROP

PORT SIZE: 3/8"

INLET PRESSURE:
bar (psig)
2,5 (36)

5

5
4,0 (58)

0,3
4

3

bar d

OIL-FOG FLOW CHARACTERISTICS

MICRO-FOG FLOW CHARACTERISTICS
PORT SIZE: 3/8"

6,3 (90)
8,0 (116)
10,0 (150)

0,2

0,3
4

3

4,0 (58)
6,3 (90)
8,0 (116)
10,0 (150)

0,2

2

2

0,1

0,1
1

1

0

0

0
0
0

1020

20

40

30
60

40
80

50
100

0

dm3/s

0

scfm

0

10
20

20
40

30

40

60

80

50
100

dm3/s
scfm

AIR FLOW

AIR FLOW

Ordering Information. Models listed include ISO G parallel threads, manual drain, and metal bowl with plastic liquid level
indicator.

Type
Micro-Fog

Oil-Fog

Main Port Size
G1/4
G3/8
G1/2
G1/4
G3/8
G1/2Model Number
L73M-2GP-QDN
L73M-3GP-QDN
L73M-4GP-QDN
L73C-2GP-QDN
L73C-3GP-QDN
L73C-4GP-QDN

Flow* dm3/s (scfm)
28 (60)
28 (60)
28 (60)
28 (60)
28 (60)
28 (60)

Weight kg (lb)
0,50 (1.1)
0,50 (1.1)
0,50 (1.1)
0,50 (1.1)
0,50 (1.1)
0,50 (1.1)

* Maximum recommended air flow. Higher flows create excessive air velocity, turbulence, and pressure losses. See Technical Data on page01.

Alternative Models

L 7 3 5-555-555

Type
Oil-Fog
Micro-Fog

Substitute
C
M

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

Substitute
2
3
4

Threads
PTF
ISO Rc taper
ISO G parallel

Substitute
A
B
G

Air Flow Direction
Uni-directional

Substitute
P

Options
None
Pyrex sight-feed dome †
Quick fill nipple

Substitute
N
P
Q

Bowl
Substitute
Metal with plastic...