We are a professional steel pipe manufacturer, stocker and exporter.
We are a professional steel pipe manufacturer, stocker and exporter.
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 |