Reduced bore
Size
A
A1
A2
A3
A4
B
B1
C
C1
D
D1
D2
D3
E
1⁄4"
63
60
-
-
-
120
-
61
-
22
-
-
-
11
"
63
63
-
-
-
120
-
61
-
22
-
-
-
11
1⁄2"
63
51
108
130
140
120
120
61
87
24
89
95
95
11
3⁄4"
68
59
117
150
152
120
120
63
89
26
98
105
117
14
1"
86
84
127
160
165
157
157
91
91
31
108
115
124
21
11⁄4"
97
93
140
180
178
157
157
95
95
37
118
140
133
25
11⁄2" 106
102
165
200
190
180
180
109
109
41
127
150
156
31
2"
124
118
178
230
216
180
180
115
115
48
152
165
165
38
21⁄2" 152
152
191
-
241
245
-
132
132
57
-
-
190
51
Full bore
Size
A
A1
A2
A3
A4
B
B1
C
C1
D
D1
D2
D3
E
1⁄4"
63
60
-
-
-
120
-
61
-
24
-
-
-
11
"
63
63
-
-
-
120
-
61
-
24
-
-
-
11
1⁄2"
68
68
-
130
140
120
120
63
89
26
-
95
95
14
3⁄4"
86
86
-
150
152
157
157
91
91
31
-
105
117
21
1"
97
97
-
160
165
157
157
95
95
37
-
115
124
25
11⁄4" 106
106
-
180
178
180
180
109
109
41
-
140
133
31
11⁄2" 124
124
-
200
190
180
180
115
115
48
-
150
156
38
2"
152
152
-
230
216
245
245
132
132
57
-
165
165
51
Size
Full bore
Scrd / BW / SW
PN40
ASME 300
Reduced bore
Scrd / BW / SW
PN40
ASME 150
ASME 300
0.61
0.61
0.61
0.70
1.27
1.77
2.50
3.50
6.90
-
-
2.2
2.9
3.9
5.4
6.5
8.8
-
-
-
1.65
2.20
3.38
4.44
5.84
8.99
-
-
-
2.2
2.9
4.5
7.0
8.36
11.2
17.5
0.61
0.61
0.70
1.27
1.77
2.50
3.50
6.90
-
-
-
2.3
3.5
4.4
6.2
7.5
12.2
-
1⁄4"
-
"
-
1⁄2"
3⁄4"
1"
11⁄4"
11⁄2"
2"
21⁄2"
2.5
4.2
5.1
7.5
10.0
13.4
-
B, B1
D1,
D2,
D3
A :
A1 :
A2 :
A3 :
A4 :
B :
B1 :
C :
C1 :
D :
D1 :
D2 :
D3 :
ØE
C,
C1
D
A, A1
A2, A3, A4
Screwed and Butt weld
Socket weld
Flanged ASME 150
Flanged PN40
Flanged ASME 300
Page 3 of 4
Screwed, Butt weld and Socket weld
Flanged ASME 150, PN40
Screwed, Butt weld and Socket weld
Flanged ASME 150,
Flanged PN40
Screwed, Butt weld and Socket weld
Flanged ASME 150
Flanged PN40
Flanged ASME 300