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KF NW Components
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KF NW Bored Blank Flanges
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Aluminum
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KF NW 16 / 25 / 40 / 50 / 63
KF NW 80 / 100 / 160 / 200 / 250
ISO Components
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ISO Bored Blank Flanges
ISO Bored Blank Flanges
ISO 63-500 Bored Blank Flanges
ISO Bored Blank Flanges
ISO Bored Blank Flanges
‧Material： Stainless Steel / S.S.304
Part Number
Model Size
Tube O.D.
A
B
C
D
E
RFQ Qty
ISO63B637
ISO 63
63.5
2.5"
95
3.740
70
2.756
12
0.472
90
3.543
63.7
2.508
ISO80B764
ISO 80
76.2
3"
110
4.331
83
3.268
12
0.472
105
4.134
76.4
3.008
ISO100B102
ISO 100
101.6
4"
130
5.118
102
4.016
12
0.472
125
4.921
101.8
4.008
ISO160B153
ISO 160
152.4
6"
180
7.087
153
6.024
12
0.472
175
6.890
152.9
6.020
ISO200B204
ISO 200
203.2
8"
240
9.449
213
8.386
12
0.472
235
9.252
203.7
8.020
ISO250B254
ISO 250
254.0
10"
290
11.417
261
10.276
12
0.472
285
11.220
254.5
10.020
ISO320B305
ISO 320
323.9
12.75"
370
14.567
318
12.520
17
0.669
365
14.370
305.3
12.020
ISO400B407
ISO 400
406.4
16"
450
17.717
400
15.748
17
0.669
445
17.520
406.9
16.020
ISO500B509
ISO 500
508.0
20"
550
21.654
501
19.724
17
0.669
545
21.457
508.8
20.031
Note :
‧If unit does not specify, all dimensions indicate in
millimeters ( mm )
.
‧FVAC reserves the right to change the design / specification for products' quality improving.
ISO Bored Blank Flanges 
