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The "Original" Morris compression coupling designed to join pipe and tubing for pneumatic conveying systems.

Easy to install
Pipe and tube sizes 1/2" through 48"
Standard construction is zinc plated steel
Also available in stainless steel and aluminum
Gasket materials: black and white neoprene, silicone and an extensive range of other materials available
Static conductive grounding strip is standard
For vacuum conveying systems, couplings are available with stainless steel gasket protectors to prevent the gasket from being drawn into the pipeline
Replacement Gaskets Available

Standard Coupling Data

Tube/Type O.D. (in.) Length (in.) # of Bolts Shipping
Weight (lbs.)

1-1/2" TUBING 1.5 4" 2 2

1-1/2" TUBING 1.5 6" 3 2.9

1-1/2" PIPE 1.9 4" 2 2

1-1/2" PIPE 1.9 6" 3 3.1

1-3/4" TUBING 1.75 4" 2 2.1

1-3/4" TUBING 1.75 6" 3 3

2" TUBING 2 4" 2 2.1

2" TUBING 2 6" 3 3.1

2" PIPE 2.375 4" 2 2.2

2" PIPE 2.375 6" 3 3.5

2" PIPE 2.375 8" 4 4.7

2-1/8" TUBING 2.125 4" 2 2.1

2-1/8" TUBING 2.125 6" 3 3.2

2-3/16" TUBING 2.187 4" 2 2.2

2-3/16" TUBING 2.187 6" 3 3.3

2-1/4" TUBING 2.25 4" 2 2.2

2-1/4" TUBING 2.25 6" 3 3.3

2-1/2" TUBING 2.5 4" 2 2.6

2-1/2" TUBING 2.5 6" 3 3.4

2-1/2" PIPE 2.875 4" 2 2.4

2-1/2" PIPE 2.875 6" 3 3.7

2-1/2" PIPE 2.875 8" 4 5

2-3/4" TUBING 2.75 6" 3 3.6

3" TUBING 3 4" 2 3.2

3" TUBING 3 6" 3 4.5

3" TUBING 3 8" 4 5.9

3" PIPE 3.5 4" 2 3.4

3" PIPE 3.5 6" 3 5.1

3" PIPE 3.5 8" 4 6.6

3-1/4" TUBING 3.25 4" 2 3.5

3-1/4" TUBING 3.25 6" 3 5

3-1/4" TUBING 3.25 8" 4 6.5

3-1/2" TUBING 3.5 4" 2 3.4

3-1/2" TUBING 3.5 6" 3 5.1

3-1/2" TUBING 3.5 8" 4 6.6

3-1/2" PIPE 4 4" 2 3.7

3-1/2" PIPE 4 6" 3 5.3

3-1/2" PIPE 4 8" 4 7.2

3-3/4" TUBING 3.75 6" 3 5.6

3-3/4" TUBING 3.75 8" 4 7.4

4" TUBING 4 4" 2 3.7

4" TUBING 4 6" 3 5.3

4" TUBING 4 8" 4 7.2

4" PIPE 4.5 4" 2 3.8

4" PIPE 4.5 6" 3 5.5

4" PIPE 4.5 8" 4 7.7

4-1/4" TUBING 4.25 6" 3 5.5

4-1/4" TUBING 4.25 8" 4 7

4-1/2" TUBING 4.5 4" 2 3.8

4-1/2" TUBING 4.5 6" 3 5.5

4-1/2" TUBING 4.5 8" 4 7.7

4-1/2"" PIPE 5 4" 2 4.2

4-1/2"" PIPE 5 6" 3 6.2

4-1/2"" PIPE 5 8" 4 8.1

4-3/4" TUBING 4.75 6" 3 6.5

4-3/4" TUBING 4.75 8" 4 8.6

5" TUBING 5 4" 2 4.2

5" TUBING 5 6" 3 6.2

5" TUBING 5 8" 4 8.1

5" PIPE 5.563 4" 2 4.6

5" PIPE 5.563 6" 3 6.8

5" PIPE 5.563 8" 4 8.8

5-1/4" TUBING 5.25 6" 3 6.6

5-1/2" TUBING 5.5 6" 3 6.8

5-1/2" TUBING 5.5 8" 4 9

5-3/4" TUBING 5.75 6" 3 7.8

5-3/4" TUBING 8" 4 9.2

6" TUBING 6 4" 2 4.7

6" TUBING 6 6" 3 7

6" TUBING 6 8" 4 9.4

6" TUBING 6 10" 5 11.8

6" PIPE 6.625 4" 2 5.3

6" PIPE 6.625 6" 3 7.8

6" PIPE 6.625 8" 4 10.4

6" PIPE 6.625 10" 5 14.3

6-1/4" TUBING 6.25 6" 3 7.3

6-1/4" TUBING 6.25 8" 4 10

6-1/2" TUBING 6.5 6" 3 7.5

6-1/2" TUBING 6.5 8" 4 10.4

6-3/4" TUBING 6.75 6" 3 7.7

6-3/4" TUBING 6.75 8" 4 10.8

7" TUBING 7 6" 3 7.9

7" TUBING 7 8" 4 10.8

7" TUBING 7 10" 5 13.7

7-1/4" TUBING 7.25 6" 3 8.3

7-1/2" TUBING 7.5 6" 3 8.5

7-1/2" TUBING 7.5 8" 4 11.3

7-3/4" TUBING 7.75 6" 3 8.9

8" TUBING 8 6" 2 11

8" TUBING 8 8" 3 14.3

8" TUBING 8 10" 4 18

8" TUBING 8 12" 5 22

8" PIPE 8.625 6" 2 11.5

8" PIPE 8.625 8" 3 14.6

8" PIPE 8.625 10" 4 18.8

8" PIPE 8.625 12" 5 23

9" TUBING 9 8" 3 15.9

9" TUBING 9 10" 4 19.9

10" TUBING 10 8" 3 17.5

10" TUBING 10 10" 4 21.8

10" TUBING 10 12" 5 26.1

10" PIPE 10.75 8" 3 16.4

10" PIPE 10.75 10" 4 20.3

10" PIPE 10.75 12" 5 25.2

12" TUBING 12 8" 3 20.4

12" TUBING 12 10" 4 25.5

12" TUBING 12 12" 5 30.2

12" PIPE 12.75 8" 3 18.7

12" PIPE 12.75 10" 4 23.3

12" PIPE 12.75 12" 5 28.1