ObservationWindows

Lowell Corporation Observation Windows for original equipment manufacturers and plant operation. Observation windows are used to provide a clear view of gears, lube level, couplings, chains or switches in sealed or oil immersed areas. Observation Windows can also be called oil windows, oil sight glasses or circulation windows.

Oil Window
Reflector
ØA
ØB
C
D
E (min)
ØF
G
MODEL
IN
MM
IN
MM
IN
MM
IN
MM
IN
MM
IN
MM
IN
MM
14200
7/8
22,2
1
25
11/32
8,5
9/32
7
7/32
5
3/4
13/32
10
20200
1-1/4
1-3/8
11/32
9/32
7/32
1-1/8
13/32
21200
32
35
8,5
7
5
28
10
24200
1-1/2
38,1
1-5/8
41
11/32
8,5
9/32
7
7/32
5
1-1/8
28
13/32
10
32200
1-31/32
50
2-1/8
53
13/32
10
11/32
8,5
1/4
6
1-1/8
28
13/32
10
48200
2-59/64
75
3-1/16
76
13/32
10
11/32
8,5
1/4
6
1-1/8
28
13/32
10
64200
3-15/16
100
4-1/16
103
13/32
10
11/32
8,5
1/4
6
1-1/8
28
13/32
10
95200
5-29/32
150
6
153
13/32
10
11/32
8,5
1/4
6
1-1/8
28
13/32
10
96100
7-7/8
200
7-63/64
203
13/32
10
11/32
8,5
1/4
6
97100
9-27/32
250
9-61/64
253
1/2
12
13/32
10
10/32
8
98100
11 57/64
300
11-59/64
303
20/32
15
1/2
12
13/32
10
Guard Ring for Push Fit Oil Windows
ØH
ØJ
ØK
ØL
M
N
Use With
MODEL
IN
MM
IN
MM
IN
MM
IN
MM
IN
MM
IN
MM
44600
2-3/4
69
1-13/16
46
2-31/64
63
9/64
3,6
1/8
3,2
1/32
0,8
32200
62600
3-7/8
98
2-3/4
70
3-35/64
90
3/16
4,8
1/8
3,2
3/64
1
48200
78600
4-7/8
123
3-3/4
95
4-17/32
115
3/16
4,8
1/8
3,2
3/64
1
64200
Oil Circulation Indicator
ØP
Q (min)
R
S
T
ØU
MODEL
IN
MM
IN
MM
IN
MM
IN
MM
IN
MM
IN
MM
24700
1-1/2
38,1
7/32
5
2-7/32
21
9/32
7
7/32
5
1-5/8
41
47700
75
6
30
8,5
5
80
48700
3
1/4
1-3/16
11/32
7/32
3-3/16
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