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Optimal Usage. Topog-E® Series 180 gaskets are quick and easy to install. They conform to the mating surfaces and need no adhesive or additional material. When servicing, they are simple to remove, and peel away easily and cleanly.
Optimal Cost. Using Topog-E® Series 180 gaskets can prolong boiler life, avoiding seepage and corrosion, and reduces boiler down-time.They help you look after one of your most important assets – the boiler itself.
Optimal Formulation. Topog-E® Series 180 gaskets are made from a proprietary compound which has earned worldwide respect for its performance. They are molded, not die-cut, for optimum fit and performance, and they are available in a broad range of sizes to meet your exact needs.
Optimal Quality. Quality is comprehensive! Today's competitive environment demands the use of high quality products and components that contribute to the overall quality of a company's end product or service. Topog-E gaskets are made with a passion for quality and performance regardless of cost.
The Best Reputation. For over forty years, Topog-E® Series 180 gaskets have earned a reputation for ease of use, durability, unbeatable performance and overall quality. This reputation is substantiated by ongoing research and development programs, so that The Topog-E gasket Company can proudly continue to manufacture the most renowned and respected gaskets in the World.

Select a size from the table to view/buy or use the filters below to refine your search

A Dimension
B Dimension
C Dimension
Thickness
1 3/4" x 3 3/4" x 1/2"
Obround
1.75
3.75
0.5
.25
Obround
2" x 3" x 1/2"
Obround
2
3
0.5
.25
Obround
2 1/4" x 3 1/4" x 3/8"
Obround
2.25
3.25
0.375
.25
Obround
2 1/4" x 3 1/4" x 1/2"
Obround
2.25
3.25
0.5
.25
Obround
2 1/2" x 3 1/2" x 1/2"
Obround
2.5
3.5
0.5
.25
Obround
2 1/4" x 3 3/4" x 9/16"
Obround
2.25
3.75
0.562
.25
Obround
2 1/2" x 3 3/4" x 1/2"
Obround
2.5
3.75
0.5
.25
Obround
2 3/4" x 3 1/2" x 1/2"
Obround
2.75
3.5
0.5
.25
Obround
2 3/4" x 3 3/4" x 1/2"
Obround
2.75
3.75
0.5
.25
Obround
2 3/4" x 4 1/2" x 1/2"
Obround
2.75
4.5
0.5
.25
Obround
2 3/4" x 4 3/4" x 1/2"
Obround
2.75
4.75
0.5
.25
Obround
2 7/8" x 3 7/8" x 7/16"
Obround
2.875
3.875
0.437
.25
Obround
2 7/8" x 4 3/8" x 9/16"
Obround
2.875
4.375
0.562
.25
Obround
3" x 4" x 1/2"
Obround
3
4
0.5
.25
Obround
3" x 4" x 9/16"
Obround
3
4
0.562
.25
Obround
3 1/4" x 4 1/2" x 1/2"
Obround
3.25
4.5
0.5
.25
Obround
3" x 4 1/2" x 9/16"
Obround
3
4.5
0.562
.25
Obround
3" x 5" x 9/16"
Obround
3
5
0.562
.25
Obround
3 1/4" x 4 1/2" x 1/2"
Obround
3.25
4.5
0.5
.25
Obround
3 1/4" x 4 1/2" x 9/16"
Obround
3.25
4.5
0.562
.25
Obround
3 1/4" x 4 3/4" x 1/2"
Obround
3.25
4.75
0.5
.25
Obround
3 1/4" x 4 3/4" x 5/8"
Obround
3.25
4.75
0.625
.25
Obround
3 3/8" x 4 1/4" x 3/8"
Obround
3.375
4.25
0.375
.25
Obround
3 1/2" x 4 1/2" x 9/16"
Obround
3.5
4.5
0.562
.25
Obround
3 1/2" x 5" x 9/16"
Obround
3.5
5
0.562
.25
Obround
3 1/2" x 5 1/2" x 1/2"
Obround
3.5
5.5
0.5
.25
Obround
3 1/2" x 5 1/2" x 5/8"
Obround
3.5
5.5
0.625
.25
Obround
3 5/8" x 5 5/8" x 7/16"
Obround
3.625
5.625
0.437
.25
Obround
3 5/8" x 5 5/8" x 9/16"
Obround
3.625
5.625
0.562
.25
Obround
3 5/8" x 5 5/8" x 1"
Obround
3.625
5.625
1
.25
Obround
4" x 5" x 5/8"
Obround
4
5
0.625
.25
Obround
4 1/2" x 5 1/2" x 5/8"
Obround
4.5
5.5
0.625
.25
Obround
4" x 6" x 5/8"
Obround
4
6
0.625
.25
Obround
4 1/2" x 6" x 5/8"
Obround
4.5
6
0.625
.25
Obround
4 1/2" x 6 1/2" x 5/8"
Obround
4.5
6.5
0.625
.25
Obround
4 1/2" x 10 1/4" x 3/4"
Obround
4.5
10.25
0.75
.25
Obround
5" x 6 3/4" x 1"
Obround
5
6.75
1
.25
Obround
5" x 7" x 5/8"
Obround
5
7
0.625
.25
Obround
5" x 7 1/2" x 1"
Obround
5
7.5
1
.25
Obround
10 1/2" x 14 1/2" x 1 15/16"
Obround
10.5
14.5
1.937
.25
Obround
11" x15" x 1 1/4"
Obround
11
15
1.25
.25
Obround
11 5/8" x15 5/8" x 1 1/4"
Obround
11.625
15.625
1.25
.25
Obround
12" x 16" x 1 1/4"
Obround
12
16
1.25
.25
Obround
12" x 16" x 1 1/2"
Obround
12
16
1.5
.25
Obround