Part No

Tube O.D
T

P
(NPT)

E
Min

h

H

F

G

I

L

L1

in

mm

in

mm

in

mm

2AV F BT-2N

1/8

3.17

1/8

2.3

1/2

12.70

7/16

11.11

12.7

15.2

18.0

24.6

19.1

4AV F BT-2N
4AV F BT-4N

1/4
1/4

6.35
6.35

1/8
1/4

4.8
4.8

1/2
11/16

12.70
17.46

9/16
9/16

14.28
14.28

15.2
15.2

17.8
17.8

19.6
22.4

26.9
29.7

19.1
22.4

6AV F BT-4N

3/8

9.52

1/4

7.0

11/16

17.46

11/16

17.46

16.8

19.3

23.9

31.2

22.4

8AV F BT-4N
8AV F BT-6N
8AV F BT-8N

1/2
1/2
1/2

12.70
12.70
12.70

1/4
3/8
1/2

10.0
10.0
10.0

13/16
13/16
1

20.63
20.63
25.40

7/8
7/8
7/8

22.22
22.22
22.22

22.9
22.9
22.9

21.8
21.8
21.8

25.9
25.9
28.7

36.1
36.1
38.9

22.4
22.4
28.4

10AV F BT-8N

5/8

15.87

1/2

12.0

1

25.40

1

25.40

24.4

21.8

28.7

38.9

28.4

12AV F BT-12N

3/4

19.05

3/4

16.0

1-1/4

31.75

1-1/8

28.57

24.4

21.8

34.5

44.7

31.8

16AV F BT-12N
16AV F BT-16N

1
1

25.40
25.40

3/4
1

22.0
22.0

1-3/8
1-11/16

34.92
42.86

1-1/2
1-1/2

38.10
38.10

31.2
31.2

26.4
26.4

36.8
38.1

49.0
50.3

31.8
38.1

Part No

Tube O.D.
Tmm

P
(NPT)

E
Min

h

H

F

G

I

L

L1

M3AV F BT-2R

3

1/8

2.3

12.7

11.1

12.9

15.3

18.0

24.4

19.1

M6AV F BT-2R
M6AV F BT-4R

6
6

1/8
1/4

4.8
4.8

12.7
17.5

14.3
14.3

15.3
15.3

17.7
17.7

19.6
22.4

26.9
29.7

19.1
22.4

M12AV F BT-4R
M12AV F BT-6R
M12AV F BT-8R

12
12
12

1/4
3/8
1/2

10.0
10.0
10.0

20.6
20.6
25.4

22.2
22.2
22.2

22.8
22.8
22.8

22.0
22.0
22.0

25.9
25.9
28.7

36.1
36.1
38.9

22.4
22.4
28.4

M15AV F BT-8R

15

1/2

12.0

25.4

25.4

24.4

22.0

28.7

38.9

28.4

M18AV F BT-12R

18

3/4

16.0

31.8

30.2

24.4

22.0

34.5

44.7

31.8

M25AV F BT-12R
M25AV F BT-16R

25
25

3/4
1

22.0
22.0

34.9
42.9

38.1
38.1

31.3
31.3

26.5
26.5

36.8
38.1

49.0
50.3

31.8
38.1