Cixi Fly Pipe Equipment Co.,Ltd

Professional Supplier for Heat Exchanger & Pressure Vessel

Welding Bosses ANSI B 16.11 Class 3000 / 6000 Lbs

WELDING BOSSES

WELDING BOSSES

DIMENSIONS OF WELDING BOSSES

THREADED FITTINGS

CLASS

3000 lbs

6000 lbs

DIMENSIONS

A min

B min

C min

D min

A min

B min

C min

D min

1/8

1/4

3/8

1/2

3/4

1

1 1/2

2

2 1/2

3

4

38
41
45
51
51
51
51
51
51
57
64

8.4
11.1
14.2
18
23
29
44
56
67
82
95

6.70

10.21

10.36

13.56

13.86

17.34

18.38

19.22

28.89

30.48

33.02

16
19
22
29
35
45
64
76
95
110
140

38
41
45
51
51
51
51
51
51
57
64

8.4
11.1
14.2
18
23
29
44
56
67
82
95

6.70

10.21

10.36

13.56

13.86

17.34

18.38

19.22

28.89

30.48

33.02

22
26
32
38
45
60
76
95
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