TUBE     OD

NPT     SIZE

BASIC
ORDERING
NUMBER

ALL DIMENSIONS IN INCHES (Fractional)

D

LX

F

1/16

1/16
1/8

CEI-1 - FE - 1N – F
CEI-1 - FE - 2N - F

0.34
0.34

0.56
0.75

7/16
9/16

    1/8

1/8
1/4

CEI-2 - FE - 2N - F
CEI-2 - FE - 4N - F

0.50
0.50

0.75
0.88

9/16
11/16

3/16

1/8

CEI-3 - FE - 2N - F

0.54

0.75

9/16

1/4

1/8
1/4
3/8
1/2

CEI-4 - FE - 2N - F CEI-4 - FE - 4N – F
CEI-4 - FE - 6N – F
CEI-4 - FE - 8N - F

0.60
0.60
0.60
0.60

 0.75
0.88
0.88
1.12

9/16
11/16
13/16
9/16

5/16

1/8
1/4

CEI-5 - FE - 2N – F
CEI-5 - FE - 4N - F

0.64
0.64

0.75
0.88

9/16
11/16

     3/8

1/8
1/4
3/8
1/2

CEI-6 - FE - 2N - F
CEI-6 - FE - 4N - F CEI-6 - FE - 6N – F
CEI-6 - FE - 8N - F

0.66
0.66
0.66
0.66

0.75
0.88
0.88
1.12

5/8
11/16
13/16
1

   1/2

1/4
3/8
1/2

CEI-8 - FE - 4N – F
CEI-8- FE – 6N – F
CEI-8- FE - 8N – F

0.90
0.90
0.90

0.88
0.88
1.12

13/16
13/16
1

5/8

3/8
1/2

CEI-10- FE - 6N – F
CEI-10- FE - 8N - F

0.96
0.96

0.88
1.12

15/16
1.1/16

3/4

1/2
3/4

CEI-12- FE - 8N – F
CEI-12- FE - 12N - F

0.96
0.96

1.12
1.25

1.1/16
1.3/8

7/8

3/4

CEI-14- FE - 4N – F

1.02

1.25

1.3/8

1

3/4
1

CEI-16- FE - 12N – F
CEI-16- FE - 16N – F

1.23
1.23

1.25
1.50

1.3/8
1.11/16

TUBE     OD

NPT     SIZE

BASIC
ORDERING
NUMBER

ALL DIMENSIONS IN MM

D

LX

F

6

1/8
1/4
1/2

CEI-6M - FE - 2N - F
CEI-6M - FE - 4N - F  CEI-6M - FE - 6N – F

15.30
15.30
15.30

19.0
22.40
28.40

14.0
19.0
27.0

8

1/8
1/4

CEI-8M- FE – 6N – F
CEI-8M- FE - 8N – F

16.20
16.20

19.10
22.40

16.0
19.0

10

1/8
1/4
3/8
1/2

CEI-10M - FE - 2N - F
CEI-10M- FE - 4N - F CEI-10M - FE - 6N – F
CEI-10M - FE - 8N - F

17.20
17.20
17.20
17.20

19.0
22.40
22.40
28.50

17.5
19.0
22.0
27.0

12

1/4
3/8
1/2

CEI-12M- FE - 4N – F
CEI-12M- FE – 6N – F
CEI-12M- FE - 8N – F

22.80
22.80
22.80

22.40
22.40
28.40

22.20
22.20
27.0

16

3/8
1/2

CEI-16M- FE - 6N – F
CEI-16M- FE - 8N - F

24.40
24.40

23.60
28.40

25.0
27.0