rench Covers - Solid-Grated-Boltdown
(Curb Type)

3990-3991 Trench Covers-Solid & Grated

1. When ordering specify:
- Catalog Number
- Style of Trench Cover
- Length of Trench
- "X" Frame & End Pieces if required.
2. Grates can be furnished with Anti-skid perma-grip surface finish.

3990 Trench Covers - Solid & Grated
Heavy Duty Catalog No.
A
B
C








Illustrating 3990-D
Style A with Sectional "X" Frame
3990-A
8x24
1 1/2
6
3990-B
10x24
1 1/2
8
3990-C
12x24
1 1/2
10
3990-D
14x24
1 1/2
12
3990-E
17x24
1 1/2
15
3990-F
20x24
1 1/2
18
3990-G
23x24
1 1/2
21
3990-H
26x24
1 1/2
24
3990-J
30x24
2
27
3990-K
33x24
2
30
3990-L
36x24
2
33
3990-M
39x24
2
36
3990-N
45x24
2
42
3990-O
51x24
2
48


3991 Trench Covers - Solid & Grated
Light Duty Catalog No.
A
B
C






Illustrating 3991-D
Style A with Sectional "X" Frame
3991-A
8x24
1 1/2
6
3991-B
10x24
1 1/2
8
3991-C
12x24
1 1/2
10
3991-D
14x24
1 1/2
12
3991-E
17x24
1 1/2
15
3991-F
20x24
1 1/2
18
3991-G
23x24
1 1/2
21
3991-H
26x24
1 1/2
24
3991-K
32x24
1 1/2
30
3991-L
35x24
1 1/2
33








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