HDPE Couplings & Flanges

HDPE Couplings:

  • These are designed to be welded into HDPE tanks .
  • Available in Natural HDPE and UV resistant black.
Nominal pipe size L OD

1/2

3.00

1.44

3/4

3.00

1.44

1

3.00

1.98

1-1/4

3.00

2.44

1-1/2

3.00

2.44

2

3.00

2.98

2-1/2

3.25

3.75

3

3.50

4.50

4

4.00

5.50

* All dimensions are inches

Flanges

  • Polypropylene flanges and polyethylene flanges with pipe stubs.
  • These are designed to be welded into tanks.
Nominal pipe size Pipe OD Flange OD Bolt circle No of bolts Bolt size T

1/2

0.840

3.500

2.375

4

1/2

0.75

3/4

1.050

3.875

2.750

4

1/2

0.75

1

1.315

4.250

3.125

4

1/2

0.75

1-1/4

1.660

4.625

3.500

4

1/2

0.75

1-1/2

1.900

5.00

3.875

4

1/2

1.00

2

2.375

6.00

4.750

4

5/8

1.00

2-1/2

2.875

7.00

5.50

4

5/8

1.00

3

3.500

7.50

6.00

4

5/8

1.00

4

4.500

9.00

7.50

8

5/8

1.00

6

6.625

11.0

9.50

8

3/4

1.00

8

8.625

13.5

11.75

8

3/4

1.25

All dimensions are inches
** LOA is 6 inches unless specified otherwise at time of order.
*** Call for other materials or special dimensions.

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Founded in 1968, PolyFab provides custom engineered plastic fabrications. We work with many materials and specialize in clear plastics.

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PolyFab makes custom plastic parts for scientific and industrial applications where the most precise and durable products are required.

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