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KS B 1503 20K Flange
20kg/c㎡ weld neck pipe flange
Standard: KSB 1503
Flange type: weld neck flange
Size range: DN10 - DN600
Pressure: 20K
Material: Stainless steel , Alloy Steel , Carbon Steel
Standard: KSB 1503
Flange type: weld neck flange
Size range: DN10 - DN600
Pressure class: 20K
Process: forged
Specialize: As per drawing
Material:
Stainless Steel Material:
ASTM A182 F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Duplex stainless steel UNS S32304,S31803,S32205.
Super Duplex stainless steel UNS S32750/S32760/S31260/S32550/S32707
Carbon Steel Material:
ASTM A105, Q235, A350 LF2,ASTM A694 F42/F46/F52/F60/F65/F70/F80
Alloy Steel Material:
ASTM A 182, GR F1,F5, F9, F11, F22, F91
Copper&Nickel Alloy Material:
CU/NI 90/10, CU/NI 70/30
Nickel Alloy Material:
Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276
Surface treatment: Anti-rust oil, transparent/yellow/black,Anti-rust paint, Zinc,Hot dipped galvanized
Usage: Oil field, Offshore, Water system, Shipbuilding, Natural gas,Electric power, Pipe projects,etc.
Standard: KSB 1503
Flange type: weld neck flange
Size range: DN10 - DN600
Pressure class: 20K
Material : Stainless steel , Alloy Steel , Carbon Steel
|
Nominal Dia if Flange |
Outside Dia of steel pipe |
Outside Diam of Flange D |
Sectional Dimensions of Flange |
Bolt Hole |
Nominal Bolt Size |
|||||||||||
|
t |
d |
a |
b |
s |
T |
P |
Radius |
Raised Face f |
Dia. of Raised Face g |
Bolt Circle Diameter C |
Number of Bolt Holes |
Hole Diam h |
||||
|
10 |
17.3 |
90 |
14 |
To be specified by purchaser |
17.3 |
32 |
To be specified by purchaser |
35.9 |
3.5 |
4 |
1 |
46 |
65 |
4 |
15 |
M12 |
|
15 |
21.7 |
95 |
14 |
21.7 |
36 |
36.4 |
4.5 |
4 |
1 |
51 |
70 |
4 |
15 |
M12 |
||
|
20 |
27.2 |
100 |
16 |
27.2 |
42 |
40.9 |
6.4 |
4 |
1 |
56 |
75 |
4 |
15 |
M12 |
||
|
25 |
34 |
125 |
16 |
34 |
50 |
42 |
6 |
4 |
1 |
67 |
90 |
4 |
19 |
M16 |
||
|
32 |
42.7 |
135 |
18 |
42.7 |
60 |
46 |
6.4 |
5 |
2 |
76 |
100 |
4 |
19 |
M16 |
||
|
40 |
48.6 |
140 |
18 |
48.6 |
66 |
45.7 |
5.9 |
5 |
2 |
81 |
105 |
4 |
19 |
M16 |
||
|
50 |
60.5 |
155 |
18 |
60.5 |
80 |
48.7 |
6.3 |
5 |
2 |
96 |
120 |
8 |
19 |
M16 |
||
|
65 |
76.3 |
175 |
20 |
76.3 |
104 |
63.7 |
9.1 |
5 |
2 |
116 |
140 |
8 |
19 |
M16 |
||
|
80 |
89.1 |
200 |
22 |
89.1 |
117 |
66.5 |
9.6 |
6 |
2 |
132 |
160 |
8 |
23 |
M20 |
||
|
90 |
101.6 |
210 |
24 |
101.6 |
130 |
68.9 |
9.4 |
6 |
2 |
145 |
170 |
8 |
23 |
M20 |
||
|
100 |
114.3 |
225 |
24 |
114.3 |
142 |
69 |
10.4 |
6 |
2 |
160 |
185 |
8 |
23 |
M20 |
||
|
125 |
139.8 |
270 |
26 |
139.8 |
172 |
77.2 |
10.9 |
6 |
2 |
195 |
225 |
8 |
25 |
M22 |
||
|
150 |
165.2 |
305 |
28 |
165.2 |
202 |
86.3 |
12.3 |
6 |
2 |
230 |
260 |
12 |
25 |
M22 |
||
|
200 |
216.3 |
350 |
30 |
216.3 |
252 |
89 |
14.4 |
6 |
2 |
275 |
305 |
12 |
25 |
M22 |
||
|
250 |
267.4 |
430 |
34 |
267.4 |
312 |
105.7 |
15.9 |
6 |
2 |
345 |
380 |
12 |
27 |
M24 |
||
|
300 |
318.5 |
480 |
36 |
318.5 |
364 |
110.4 |
17.5 |
8 |
3 |
395 |
430 |
16 |
27 |
M24 |
||
|
350 |
355.6 |
540 |
40 |
355.6 |
408 |
124.5 |
19 |
8 |
3 |
440 |
480 |
16 |
33 |
M30*3 |
||
|
400 |
406.4 |
605 |
46 |
406.4 |
456 |
129.9 |
21.9 |
10 |
3 |
495 |
540 |
16 |
33 |
M30*3 |
||
|
450 |
457.2 |
675 |
48 |
457.2 |
514 |
140.9 |
21.9 |
10 |
3 |
560 |
605 |
20 |
33 |
M30*3 |
||
|
500 |
508 |
730 |
50 |
508 |
568 |
147.7 |
22.7 |
10 |
3 |
615 |
660 |
20 |
33 |
M30*3 |
||
|
55 |
558.8 |
795 |
52 |
558.8 |
622 |
154.9 |
23.9 |
10 |
3 |
670 |
720 |
20 |
39 |
M36*3 |
||
|
600 |
609.6 |
845 |
54 |
609.6 |
676 |
163.1 |
26.1 |
10 |
3 |
720 |
770 |
24 |
39 |
M36*3 |
||
