BUTT-WELDED PIPE FITTINGS SERIES

LAP JOINT STUB ENDS

 NAME: LAP JOINT STUB ENDS
 MATERIAL:A234-WPB.A420-WPL6.A234-WP12.A234-WP11.A234-WP5.A403-WP304.A403-WP304L.A403-WP316.A403-WP316L.
 SIZE:1/2"-48"、DN15-DN1200
 PRESSURE:Sch5-Sch160、XXS
 STANDARDS: ISO, ANSI. JIS. DIN GB/T12459、GB/T13401、ASME B16.9、SH3408 SH3409、HG/T21635、HG/T21631、SY/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:
  1、THE DIAMETER OF LAP (T) CAN NOT BE SMALLER THAN NOMINAL PIPE SIZE
  2、ACCORDING TO THE CLIENTS' REQUIREMENT, THE LAP SURFACE CAN BE MADE WITH CONCENTRIC INDENT SHAFT OR THREADED SHAFT 
  3、FIT TO sch40 OR THINNER STAINLESS STEEL PIPE TO JOINT
  4、JOINT TO THE FLANGE EDGE WHICH PRESCRIBE IN ANSI B16.5 
  5、PLEADE NOTE CLEAR THE L OR R , IF THERE ARE PECULIAR REQUIREMENTS