Norgren Lubricators - Manual (Page 12)

Littleton, CO USA Phone 303-794-2611 Fax 303-795-9487
L74M, L74C
● Excelon design allows in-line or modular installation
● Quick release bayonet bowl
● Highly visible, prismatic liquid level indicator lens
● Flow sensor design provides a nearly constant oil/air
ratio over a wide range of air flows
● All around (360°) visibility of the sight-feed dome
simplifies installation and adjustment
● Modular installations with Excelon 72, 73, and 74
series can be made to suit particular applications
Use Micro-Fog models in applications with one or more points of
lubrication.
Use Oil-Fog models to lubricate a single tool, cylinder, or other air
driven device.
Excelon 74 Micro-Fog and Oil-Fog
Lubricators 3/8", 1/2", 3/4" Port Sizes
ALE-14-8
Alternative Models L 7 4 - ★ ★ ★ - ★ ★ ★ ★
Threads Substitute
PTF A
ISO Rc taper B
ISO G parallel G
Air Flow Direction Substitute
Bi-directional (Oil-Fog only) E
Uni-directional P
Options Substitute
Low oil level switch *** L
None N
Pyrex dome *† P
Quick fill nipple Q
Type Substitute
Oil-Fog C
Micro-Fog M
Bowl Substitute
1 quart US (1 liter) metal with
Pyrex liquid level indicator ††
A
7 fluid oz. (0.2 liter) metal with
plastic liquid level indicator
D
7 fluid oz. (0.2 liter)
transparent with guard
P
7 fluid oz. (0.2 liter) metal with
Pyrex liquid level indicator††
R
Drain Substitute
Closed bottom E
Manual 1/4 turn Q
Remote fill device - Use only
with 7 fluid oz. (0.2 liter) bowl.
R
Port Size Substitute
3/8" 3
1/2" 4
3/4" 6
*** Low oil level switch requires 1 litre bowl, type ‘A’ at 9th digit.
*†
Pyrex dome used only with bowl type ‘A’ or ‘R’ at 9th digit.
†† Pyrex liquid level indicator used only with option ‘P’ at 10th digit.
Ordering Information. Models listed include PTF threads, manual drain, and 7 fluid ounce (0.2 liter) metal bowl with plastic liquid level indicator.
* Models listed in the order table must not be located downstream of frequently cycling directional control valves. Order the optional bi-directional Oil-Fog Lubricator
for use under such conditions.
** Typical flow with 90 psig (6.3 bar) inlet pressure and a pressure drop of 7 psig (0.5 bar).
† Lubricators with 1 quart (1 litre) metal bowl: Add 2.01 lbs (0.91 kg).
Type Main Port Size Model Number * Flow** scfm (dm 3 /s) Weight lb (kg) †
Micro-Fog
3/8" L74M-3AP-QDN 114 (54) 1.70 (0.77)
1/2" L74M-4AP-QDN 154 (73) 1.61 (0.73)
3/4" L74M-6AP-QDN 142 (67) 1.55 (0.71)
Oil-Fog
3/8" L74C-3AP-QDN 118 (56) 1.70 (0.77)
1/2" L74C-4AP-QDN 192 (91) 1.61 (0.73)
3/4" L74C-6AP-QDN 186 (88) 1.55 (0.71)