BUTT-WELDED PIPE FITTINGS SERIES：
OLET
BUTT-WELDED OLET--CONSTRUCTION
SOCKET OLET--CONSTRUCTION
THREADED OLET--CONTRUCTION
Nominal pipe size
A
Run pipe
Branch outlet
Butt-welding
Socket-welding
Threaded
DN
NPS
DN
NPS
STD.XS
Sch160
3000LB
6000LB
3000LB
6000LB
8-900
1/4-36
6
1/8
16
-
20
-
19
-
10-900
3/8-36
8
1/4
16
-
20
-
19
-
15-900
1/2-36
10
3/8
19
-
23
-
21
-
20-900
3/4-36
15
1/2
19
19
26
24
25
32
25-900
1-36
20
3/4
22
22
29
25
27
37
32-900
1
1/4
-36
25
1
27
27
35
29
33
40
40-900
1
1/2
-36
32
1
1/4
32
32
35
30
33
41
50-900
2-36
40
1
1/2
33
33
37
32
35
43
65-900
2
1/2
-36
50
2
38
38
40
37
38
52
80-900
3-36
65
2
1/2
41
-
41
-
46
-
100-900
4-36
80
3
44
-
46
-
51
-
125-900
5-36
100
4
51
51
49
-
57
-
