TITLE 77: PUBLIC HEALTH
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.APPENDIX A PLUMBING MATERIALS, EQUIPMENT, USE RESTRICTIONS AND APPLICABLE STANDARDS
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Section 890.APPENDIX A Plumbing Materials, Equipment, Use Restrictions and Applicable Standards

 

Section 890.TABLE Q Allowance in Equivalent Length of Pipe for Friction Loss in Valves and Fittings

 

The following applies to all types of material approved for potable water distribution:

 

Equivalent Feet of Pipe for Various Pipe Sizes

Valve or Fitting

"

"

1"

1"

1"

2"

2"

3"

45 ell (wrought)

0.5

0.5

1.0

1.0

2.0

2.0

3.0

4.0

90 ell (wrought)

0.5

1.0

1.0

2.0

2.0

2.0

2.0

3.0

Tee, Run (wrought)

0.5

0.5

0.5

0.5

1.0

1.0

2.0

Tee, Branch (wrought)

1.0

2.0

3.0

4.0

5.0

7.0

9.0

45 ell (cast)

0.5

1.0

2.0

2.0

3.0

5.0

8.0

11.0

90 ell (cast)

1.0

2.0

4.0

5.0

8.0

11.0

14.0

18.0

Tee, Run (cast)

0.5

0.5

0.5

1.5

1.0

2.0

2.0

2.0

Tee, Branch (cast)

2.0

3.0

5.0

7.0

9.0

12.0

16.0

20.0

Compression Stop

13.0

21.0

30.0

Globe Valve

53.0

66.0

90.0

Gate Valve

1.0

1.0

2.0

2.0

2.0

2.0