Clear Fabricated Cones

Custom Cone

PolyFab provides:

Plastic cones for protein skimmers, architectural and trade show displays, light diffusers, funnels, tanks, hoods, shrouds, duct transitions and many other applications.

We make clear and opaque cones in any thermo-formable material. The size is limited only by our shop door.

We fabricate clear cones primarily from acrylic, clear PVC, LEXAN® (polycarbonate), and PETG and we fabricate opaque cones in PVC, polypropylene, polyethylene ABS, Kynar® (PVDF) and any other plastics that can be thermoformed.

The cones can be symmetrical, or offset.  If you can draw it, we can probably make it.

Click here to see how to fabricate a plastic cone. A useful Excel calculator, diagrams, photos... and more!

 

Industrial Cones

We make cones for industrial customers with materials selected to be compatible with your environment. These cones are formed at any angle and then seamed. We mount them to your design. We mount flanges, bases , gussets and various threaded and flanged fittings to the cones per your design.

 

Industrial Cones

 

Clear PVC cones with stainless steel triclamp fittings

Clear plastic cone with flanges

clear trade show demo
Clear trade show demo

 

Clear PVC cones with stainless steel triclamp fittings

Clear PVC cones with stainless steel
triclamp fittings

Engineered passageway cover
Acrylic cone

 

Custom hatch fabrication

Reaction vessel

Cone for spooling very long nylon line

Cone for spooling very long nylon line

 

Cones for Protein Skimmers

Polyfab offers 3 series of cones, primarily to meet the needs of protein skimmer fabricators. The cones are offered in cast acrylic and clear PVC in thicknesses of 1/8 inch (3 mm), 3/16 inch (5 mm), and 1/4 inch (6 mm).

Cones of any other dimensions can be fabricated, but tooling charges are frequently required. The seams in acrylic cones are cemented and the seams in clear PVC are hot air welded.

 

 

Angle of cone measured from horizontal, degrees

73.5

 

 

Included angle

33

 

 

 

 

Large diameter

 

 

10

9

8

7

6

Small diameter

 

Height

 

3

11.8

10.1

8.4

6.8

5.1

 

3.5

11.0

9.3

7.6

5.9

4.2

 

4

10.1

8.4

6.8

5.1

3.4

 

4.5

9.3

7.6

5.9

4.2

na

 

5

8.4

6.8

5.1

3.4

na

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Angle of cone measured from horizontal, degrees

80

 

 

Included angle

20

 

 

 

 

Large diameter

 

 

10

9

8

7

6

 

 

 

 

 

 

 

Small diameter

 

Height

 

3

na

17.0

14.2

11.3

8.5

 

3.5

na

15.6

12.8

9.9

7.1

 

4

na

14.2

11.3

8.5

5.7

 

4.5

na

12.8

9.9

7.1

4.3

 

5

na

11.3

8.5

5.7

na

 

 

 

 

 

 

 

Angle of cone measured from horizontal, degrees

85.8

 

 

Included angle

8.4

 

 

 

 

Large diameter

 

 

10

9

8

7

6

Small diameter

 

Height

 

3

na

na

34.0

27.2

20.4

 

3.5

na

na

30.6

23.8

17.0

 

4

na

na

27.2

20.4

13.6

 

4.5

na

na

23.8

17.0

10.2

 

5

na

na

20.4

13.6

6.8

 

Engineered passageway cover
Acrylic cone

 

Engineered passageway cover
Custom cone, about 16" base diameter by 14" high

 

 

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