Nominal
Pipe
Size

Outside
Diam

O.D.of Raised
Face

of Base
of Hub

Thickness

BORE

LENGTH THRU HUB

Diam.of
Hub at
Bevel

Radius
of Fillet

Thread
Length

Welding
Neck
Socket
Welding

Slip-on
Socket
Welding

Lap
Joint

Welding
Neck

Slip-on
Threaded
Socket
Welding

Lap
Joint

D

G

X

f

B₁

B₂

B₃

T₁

T₂

T₃

A

R

Q

1/2
3/4
1

89
99
108

35.1
42.9
50.8

30.2
38.1
49.3

11.2
12.7
14.2

15.7
20.8
26.7

22.4
27.7
34.5

22.9
28.2
35.1

47.8
52.3
55.6

15.7
15.7
17.5

15.7
15.7
17.5

21.3
26.7
33.5

3.0
3.0
3.0

15.7
15.7
17.5

11/4
11/2
2

117
127
152

63.5
73.2
91.9

58.7
65.0
77.7

15.7
17.5
19.1

35.1
40.9
52.6

43.2
49.5
62.0

43.7
50.0
62.5

57.2
62.0
63.5

20.6
22.4
25.4

20.6
22.4
25.4

42.2
48.3
60.5

4.8
6.4
7.9

20.6
22.4
25.4

21/2
3
31/2

178
191
216

104.6
127.0
139.7

90.4
108.0
122.2

22.4
23.9
23.9

62.7
78.0
90.2

74.7
90.7
103.4

75.4
91.4
104.1

69.9
69.9
71.4

28.4
30.2
31.8

28.4
30.2
31.8

73.2
88.9
101.6

7.9
9.7
9.7

28.4
30.2
31.8

4
5
6

229
254
279

157.2
185.7
215.9

134.9
163.6
192.0

23.9
23.9
25.4

102.4
128.3
154.2

116.1
143.8
170.7

116.8
144.5
171.5

76.2
88.9
88.9

33.3
36.6
39.6

33.3
36.6
39.6

114.3
141.2
168.4

11.2
11.2
12.7

33.3
36.6
39.6

8
10
12

343
406
483

269.7
323.9
381.0

246.1
304.8
365.3

28.4
30.2
31.8

202.7
254.5
304.8

221.5
276.4
327.2

222.3
277.7
328.2

101.6
101.6
114.3

44.5
49.3
55.6

44.5
49.3
55.6

219.2
273.1
323.9

12.7
12.7
12.7

44.5
49.3
55.6

14
16
18

533
597
635

412.8
469.9
533.4

400.1
457.2
505.0

35.1
36.6
39.6

336.6
387.1
438.2

359.2
410.5
461.8

360.2
411.2
462.3

127.0
127.0
139.7

57.2
63.5
68.3

79.2
87.4
96.8

355.6
406.4
457.2

12.7
12.7
12.7

57.2
63.5
68.3

20
24

699
813

584.2
692.2

558.8
663.4

42.9
47.8

489.0
590.6

513.1
616.0

514.4
616.0

144.5
152.4

73.2
82.6

103.1
111.3

508.0
609.6

12.7
12.7

73.2
82.6