NAME LAP
JOINT STUB ENDS
MATERIALA234-WPB.A420-WPL6.A234-WP12.A234-WP11.A234-WP5.A403-WP304.A403-WP304L.A403-WP316.A403-WP316L.
SIZE1/2"-48"DN15-DN1200
PRESSURESch5-Sch160XXS
STANDARDS ISO, ANSI. JIS. DIN GB/T12459GB/T13401ASME B16.9SH3408
SH3409HG/T21635HG/T21631SY/T05010
USE FITTED WITH FLANGES Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc.
PRODUCT DRAWING
PRODUCT CONSTRUCTION
Nominal pipe
size DN (in.)
Outside Diameter
at Bevel
Length
Redius of Fillet
Diameter of Lap
A
Type
B
Type
D
L
R
G
1/2
21.3
50.8
3.0
0.8
35.0
3/4
26.7
50.8
3.0
0.8
42.9
1
33.4
50.8
3.0
0.8
50.8
11/4
42.2
50.8
4.8
0.8
63.5
11/2
48.3
50.8
6.4
0.8
73.2
2
60.3
63.5
7.9
0.8
91.9
21/2
73.0
63.5
7.9
0.8
104.6
3
88.9
63.5
9.6
0.8
127.0
31/2
101.6
76.2
9.6
0.8
139.7
4
114.3
76.2
11.2
0.8
157.2
5
141.3
76.2
11.2
1.6
185.7
6
168.3
88.9
12.7
1.6
215.9
8
219.1
101.6
12.7
1.6
269.7
10
273.1
127.0
12.7
1.6
323.9
12
323.9
152.4
12.7
1.6
381.0
14
355.6
152.4
12.7
1.6
412.8
16
406.4
152.4
12.7
1.6
469.9
18
457.2
152.4
12.7
1.6
533.4
20
508.0
152.4
12.7
1.6
584.2
24
609.6
152.4
12.7
1.6
692.2
NOTE
1THE DIAMETER OF LAP (T) CAN NOT BE SMALLER THAN NOMINAL PIPE SIZE
2ACCORDING TO THE CLIENTS' REQUIREMENT,
THE LAP SURFACE CAN BE MADE WITH CONCENTRIC INDENT SHAFT
OR THREADED SHAFT
3FIT TO sch40 OR THINNER STAINLESS
STEEL PIPE TO JOINT
4JOINT TO THE FLANGE EDGE WHICH
PRESCRIBE IN ANSI B16.5
5PLEADE NOTE CLEAR THE L OR R , IF
THERE ARE PECULIAR REQUIREMENTS
