Flanges are interconnecting parts between pipes and tubes, used to connect between pipe ends,the main features of flange connection are easy disassembly, high strength and good sealing performance.
Name |
Welding Neck,Blind,Lap Joint,Slip On,Socket Weld ,Threaded,Plate |
size |
1/2”-60” (DN15-DN3000) |
Pressure class |
Class150-Class2500 |
Facing |
RF/ FM/ M/ T G/ RF / FF / RTJ |
Type |
WN SO SW TH BL RF FF MF RJT PL PJ/PR BL(S) |
Standard |
ANSI/ASME B16.5,B16.36,B16.47,AWWA C207,DIN,BS,SABS/SANS,MSS SP44,ISO,API Flange,etc |
Material |
Carbon Steel:ASTM A105,ASTM A350 LF1,LF2,LF3,A36,ASTM A234 WPB |
Stainless Steel:ASTM A182 F304/304L, 316/316L,316Ti,321,317L,310S |
|
Alloy Steel:A182 F1,F5,F9,F11,F12,22,F22,F91 |
|
Duplex Stainless Steel: S31803(SAF2205),S32750(SAF2507),S31500(3RE60) |
|
Surface |
Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer,hot-dipped Galvanized |
Flange |
Picture |
Flange | Picture | Flange | Picture |
Welding Neck Flange |
|
Blind Flange | Lap Joint Flange | ||
Slip On Flange |
|
Socket Weld Flange | Threaded Flange | ||
Plate Flange |
|
ANSI/ASME B16.5 Class 150 Forged Flanges |
||||||||||||
Nom. |
Outside |
Min |
RF |
# |
Dia |
Bolt |
SO Bore |
WN Bore |
Dia |
Dia Hub |
SO |
WN |
Pipe |
dia |
Thickness |
dia |
of |
of |
Circle Dia |
ID |
ID |
Hub Base |
Top |
LTH |
LTH |
Size |
(OD) |
(T) |
( R ) |
Holes |
Holes |
(BC) |
(SB) |
(WB) |
(HB) |
(HT) |
(SL) |
(WL) |
½ |
3.5 |
0.38 |
1.38 |
4 |
0.62 |
2.38 |
0.88 |
0.62 |
1.19 |
0.84 |
0.56 |
1.81 |
¾ |
3.88 |
0.44 |
1.69 |
4 |
0.62 |
2.75 |
1.09 |
0.82 |
1.5 |
1.05 |
0.56 |
2 |
1 |
4.25 |
0.5 |
2 |
4 |
0.62 |
3.12 |
1.36 |
1.05 |
1.94 |
1.32 |
0.62 |
2.12 |
1¼ |
4.62 |
0.56 |
2.5 |
4 |
0.62 |
3.5 |
1.7 |
1.38 |
2.31 |
1.66 |
0.75 |
2.19 |
1½ |
5 |
0.62 |
2.88 |
4 |
0.62 |
3.88 |
1.95 |
1.61 |
2.56 |
1.9 |
0.81 |
2.38 |
2 |
6 |
0.69 |
3.62 |
4 |
0.75 |
4.75 |
2.44 |
2.07 |
3.06 |
2.38 |
0.94 |
2.44 |
2½ |
7 |
0.81 |
4.12 |
4 |
0.75 |
5.5 |
2.94 |
2.47 |
3.56 |
2.88 |
1.06 |
2.69 |
3 |
7.5 |
0.88 |
5 |
4 |
0.75 |
6 |
3.57 |
3.07 |
4.25 |
3.5 |
1.12 |
2.69 |
3½ |
8.5 |
0.88 |
5.5 |
8 |
0.75 |
7 |
4.07 |
3.55 |
4.81 |
4 |
1.19 |
2.75 |
4 |
9 |
0.88 |
6.19 |
8 |
0.75 |
7.5 |
4.57 |
4.03 |
5.31 |
4.5 |
1.25 |
2.94 |
5 |
10 |
0.88 |
7.31 |
8 |
0.88 |
8.5 |
5.66 |
5.05 |
6.44 |
5.56 |
1.38 |
3.44 |
6 |
11 |
0.94 |
8.5 |
8 |
0.88 |
9.5 |
6.72 |
6.07 |
7.56 |
6.63 |
1.5 |
3.44 |
8 |
13.5 |
1.06 |
10.62 |
8 |
0.88 |
11.75 |
8.72 |
7.98 |
9.69 |
8.63 |
1.69 |
3.94 |
10 |
16 |
1.12 |
12.75 |
12 |
1 |
14.25 |
10.88 |
10.02 |
12 |
10.75 |
1.88 |
3.94 |
12 |
19 |
1.19 |
15 |
12 |
1 |
17 |
12.88 |
12 |
14.38 |
12.75 |
2.12 |
4.44 |
14 |
21 |
1.31 |
16.25 |
12 |
1.12 |
18.75 |
14.14 |
13.25 |
15.75 |
14 |
2.19 |
4.94 |
16 |
23.5 |
1.38 |
18.5 |
16 |
1.12 |
21.25 |
16.16 |
15.25 |
18 |
16 |
2.44 |
4.94 |
18 |
25 |
1.5 |
21 |
16 |
1.25 |
22.75 |
18.18 |
17.25 |
19.88 |
18 |
2.62 |
5.44 |
20 |
27.5 |
1.62 |
23 |
20 |
1.25 |
25 |
20.2 |
19.25 |
22 |
20 |
2.81 |
5.62 |
22 |
29.5 |
1.75 |
25.25 |
20 |
1.38 |
27.25 |
22.22 |
21.25 |
24.25 |
22 |
3.07 |
5.82 |
24 |
32 |
1.81 |
27.25 |
20 |
1.38 |
29.5 |
24.25 |
23.25 |
26.12 |
24 |
3.19 |
5.94 |