Non-Pressure Storage Manhole
Welded Frame  Seamless Cover
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non-pressure storage manholes 1
 non-pressure storage manholes 2
Bolting and Gaskets are not furnished with man holes. They must be ordered separately. Please call for prices.
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SIZE
PART NO.
't'
A
B
C
D
E
ID. SIZE x 't'
COVER THICKNESS
16"
CT-16-25-4
1/4"
20.5"
16"
19"
16
4"
16" IDx1/4" Thick
1/4"
5/16"
3/8"
1/2"
CT-16-25-6
1/4"
20.5"
16"
19"
16
6"
16" IDx1/4" Thick
1/4"
5/16"
3/8"
1/2"
CT-16-37-4
3/8"
20.5"
16"
19"
16
4"
16" IDx3/8" Thick
1/4"
5/16"
3/8"
1/2"
CT-16-37-6
3/8"
20.5"
16"
19"
16
6"
16" IDx3/8" Thick
1/4"
5/16"
3/8"
1/2"
18"
CT-18-25-4
1/4"
22.5"
18"
21"
18
4"
18" IDx1/4" Thick
1/4"
5/16"
3/8"
1/2"
CT-18-25-6
1/4"
22.5"
18"
21"
18
6"
18" IDx1/4" Thick
1/4"
5/16"
3/8"
1/2"
CT-18-37-4
3/8"
22.5"
18"
21"
18
4"
18" IDx3/8" Thick
1/4"
5/16"
3/8"
1/2"
CT-18-37-6
3/8"
22.5"
18"
21"
18
6"
18" IDx3/8" Thick
1/4"
5/16"
3/8"
1/2"
20"
CT-20-25-4
1/4"
24.5"
20"
23"
24
4"
20" IDx1/4" Thick
1/4"
5/16"
3/8"
1/2"
CT-20-25-6
1/4"
24.5"
20"
23"
24
6"
20" IDx1/4" Thick
1/4"
5/16"
3/8"
1/2"
CT-20-37-4
3/8"
24.5"
20"
23"
24
4"
20" IDx3/8" Thick
1/4"
5/16"
3/8"
1/2"
CT-20-37-6
3/8"
24.5"
20"
23"
24
6"
20" IDx3/8" Thick
1/4"
5/16"
3/8"
1/2"
24"
CT-24-25-4
1/4"
28.5"
24"
27"
24
4"
24" IDx1/4" Thick
1/4"
5/16"
3/8"
1/2"
CT-24-25-6
1/4"
28.5"
24"
27"
24
6"
24" IDx1/4" Thick
1/4"
5/16"
3/8"
1/2"
CT-24-37-6
3/8"
28.5"
24"
27"
24
6"
24" IDx3/8" Thick
1/4"
5/16"
3/8"
1/2"
CT-24-50-4
1/2"
28.5"
24"
27"
24
4"
24" IDx1/2" Thick
1/4"
5/16"
3/8"
1/2"
CT-24-50-6
1/2"
28.5"
24"
27"
24
6"
24" IDx1/2" Thick
1/4"
5/16"
3/8"
1/2"

For More Information Contact: laboiler@4grc.com or For a Product Quote Call (800) 421-9830