内牙直通（Inner tooth straight pipe）
规格（Type）
d
D
Rp
L
S14-3/8F
9.8
14.5
3/8
34.5
S14-1/2F
9.8
14.5
1/2
35
S16-1/2F
11.8
16.5
1/2
35
S18-1/2F
13.8
18.5
1/2
35
S18-3/4F
13.8
18.5
3/4
37
S20-1/2F
15.8
20.5
1/2
35.5
S20-3/4F
15.8
20.5
3/4
37.5
S25-1/2F
19.8
25.5
1/2
32
S25-3/4F
19.8
25.5
3/4
38
S25-1F
19.8
25.5
1
40
S32-3/4F
25.8
32.5
3/4
35
S32-1F
25.8
32.5
1
40