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JIS 30K Flange
30kg/c㎡ weld neck flange JIS B2220
Standard: JIS B2220
Flange type: Welding Neck (WN)
Size range: DN10-DN400
Pressure: 30K
Material: Stainless steel , Alloy Steel , Carbon Steel
Standard: JIS B2220
Flange type: weld neck flange
Size range: DN10-DN400
Pressure class: 30kg/c㎡
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: JIS B2220
Flange type: weld neck flange
Size range: DN10-DN400
Pressure class:30kg/c㎡
Material : Stainless steel , Alloy Steel , Carbon Steel
INominal |
Outside |
Outside |
Sectional Dimensions of Flange |
Bolt Hole |
Nominal |
Approx |
|||||||||||
t |
d |
a |
b |
S |
T |
R |
Radius |
f |
g |
Bolt |
Number |
Hole |
|||||
15 |
21.7 |
115 |
18 20 |
15.8 |
22.0 |
40 |
3.1 |
45 45 48 |
20 20 20 |
6 6 6 |
1 1 1 |
55 70 |
80 |
4 4 |
19 19 |
M16 |
1.33 |
32 |
42.7 |
140 |
22 22 22 |
35.1 |
43.1 |
62 |
4.0 |
52 54 57 |
30 30 30 |
6 6 8 |
2 2 2 |
80 90 |
105 |
4 4 |
19 |
M16 |
2.43 |
65 |
76.3 |
200 |
26 28 30 |
65.3 |
76.9 |
104 |
5.8 |
69 |
30 30 30 |
8 8 8 |
2 2 2 |
130 |
160 |
8 8 8 |
23 23 25 |
M20 |
5.91 |
100 |
114.3 |
240 325 |
32 36 38 |
101.5 |
115.1 |
142 172 |
6.8 |
76 86 95 |
30 50 50 |
8 10 |
2 2 2 |
160 |
195 |
8 8 12 |
25 25 27 |
M22 |
9.72 |
200 |
216.3 |
370 |
42 48 52 |
198.7 |
217.5 |
254 |
9.4 |
102 |
50 50 50 |
10 12 15 |
2 2 3 |
280 345 |
320 |
12 12 16 |
27 33 33 |
M24 |
28.7 |
350 |
355.6 |
560 |
54 60 |
331.8 |
357.2 |
406 |
12.7 |
134 |
80 80 |
15 |
3 3 |
450 |
495 |
16 |
33 39 |
M30x3 |
77.0 |