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KF NW Components
KF NW Flanges
KF NW Blank Flanges
KF NW Bored Blank Flanges
KF NW Socket Weld Flanges
KF NW Half Nipple Flanges
KF NW Polyethylene Flange Caps
KF NW Bulkhead Clamp
KF NW Adaptor
KF NW Rubber Hose Adaptor
KF NW Quick Disconnect Adaptor
KF NW Conical Reducing Adaptor
KF NW Thread Adaptor
KF NW Swagelok Adaptor
KF NW VCR Adaptor
KF NW Clamps
Aluminum
Stainless Steel
KF NW Chain Clamps
KF NW 16 / 25 / 40 / 50 / 63
KF NW 80 / 100 / 160 / 200 / 250
ISO Components
ISO Flanges
ISO Blank Flanges
ISO Bored Blank Flanges
ISO Polyethylene Flange Caps
ISO Clamps
ISO Single Claw Clamps
ISO Double Claw Clamps (AL)
ISO Double Claw Clamps (S. S. / Zc Plated)
ISO Adaptor
ISO / KF NW Conical Reducing Adaptor
CF / CR Components
CF / CR Flanges
CF Blank Flanges
CR Blank Flanges
CF Bored Flanges
CR Bored Flanges
CF Reducing Flanges
CF / CR Polyethylene Flange Caps
CF / CR Gaskets
Centering Ring
Viton O-Ring
Centering Ring (S.S.) & Viton O-Ring
Outer Ring (AL)
Mesh Screen
Centering Ring (AL) & Viton O-Ring
Outer Ring (AL)
KF NW Centering Ring
KF NW-ISO Centering Ring
Mesh Screen Centering Ring
KF NW-ISO Centering Ring - Inner Ring (Without O-Ring)
KF NW-ISO Centering Ring - Outer Ring
Tube Fittings
45° Elbows Tangents
45° Elbows Tangents Tubes
90° Elbows
90° Elbows Tubes
KF NW Flange 90° Elbows
Tees
Tees Tubes
KF NW Flange Tees
4-Way Crosses
4-Way Crosses Tubes
KF NW Flange 4-Way Crosses
Vacuum Valves
Angle Valves (90°)
Manually (KF NW / ISO / CR Flanges)
Pneumatically (KF NW / ISO / CR Flanges)
Y-Inline Valves (180°)
Manually (KF NW / CR Flanges)
Pneumatically (KF NW / CR Flanges)
Vacuum Check Valves
KF NW Check Valves
Vacuum Ball Valves
KF NW Ball Valves
Ball Valve Maintenance Packages
Formed Bellows
Flexible Formed Bellow Hoses
KF NW Flanges
Hydraulically Formed Bellow Hoses
KF NW Flanges
ISO Flanges
CF / CR Flanges
Feedthrough
Magnetic Rotary
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Centering Ring (S.S.) & Viton O-Ring
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Outer Ring (AL)
Outer Ring (AL)
ISO 63-500 Centering Ring (SUS 304) & Viton O-Ring with Outer Ring (AL)
Centering Ring (S. S.) / Viton O-Ring / Outer Ring (AL)
Centering Ring (S. S.) / Viton O-Ring / Outer Ring (AL)
‧Material： Stainless Steel / S.S.304 / Aluminum / Viton
Part Number
Model Size
O/R
Material
C/R
Material
O’Ring
Material
O’Ring
Size
A
B
C
D
E
Type
RFQ Qty
ISO63SCVOA
ISO 63
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-337
AS-337
67
2.638
69.6
2.740
8
0.315
3.9
0.154
94
3.701
U.S.A
U.S.A
ISO63SCVOE
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-337
AS-337
68
2.677
70
2.756
8
0.315
3.9
0.154
94
3.701
Europe
Europe
ISO80SCVOA
ISO 80
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-341
AS-341
80
3.150
82.6
3.252
8
0.315
3.9
0.154
109
4.291
U.S.A
U.S.A
ISO80SCVOE
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-341
AS-341
81
3.189
82.6
3.252
8
0.315
3.9
0.154
109
4.291
Europe
Europe
ISO100SCVOA
ISO 100
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-347
AS-347
98.8
3.889
101.6
4.000
8
0.315
3.9
0.154
128
5.039
U.S.A
U.S.A
ISO100SCVOE
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-347
AS-347
98.8
3.889
102
4.016
8
0.315
3.9
0.154
128
5.039
Europe
Europe
ISO160SCVOA
ISO 160
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-362
AS-362
149
5.866
152.6
6.008
8
0.315
3.9
0.154
179
7.047
U.S.A
U.S.A
ISO160SCVOE
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-362
AS-362
149
5.866
153
6.023
8
0.315
3.9
0.154
179
7.047
Europe
Europe
ISO200SCVOA
ISO 200
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-371
AS-371
210
8.268
212.6
8.370
8
0.315
3.9
0.154
238
9.370
U.S.A
U.S.A
ISO200SCVOE
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-371
AS-371
210
8.268
213
8.386
8
0.315
3.9
0.154
238
9.370
Europe
Europe
ISO250SCVOA
ISO 250
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-378
AS-378
257.5
10.138
260.4
10.252
8
0.315
3.9
0.154
287
11.299
U.S.A
U.S.A
ISO250SCVOE
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-378
AS-378
257.5
10.138
261
10.276
8
0.315
3.9
0.154
287
11.299
Europe
Europe
ISO320SCVOA
ISO 320
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-454
AS-454
312
12.283
317.3
12.492
12
0.472
5.6
0.220
344
13.543
U.S.A
U.S.A
ISO320SCVOE
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-454
AS-454
312
12.283
318
12.520
12
0.472
5.6
0.220
344
13.543
Europe
Europe
ISO400SCVOA
ISO 400
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-461
AS-461
394
15.512
399.2
15.717
12
0.472
5.6
0.220
446
17.559
U.S.A
U.S.A
ISO400SCVOE
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-461
AS-461
394
15.512
400
15.748
12
0.472
5.6
0.220
446
17.559
Europe
Europe
ISO500SCVOA
ISO 500
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-469
AS-469
494
19.449
500.2
19.693
12
0.472
5.6
0.220
535
21.063
U.S.A
U.S.A
ISO500SCVOE
Aluminum
Aluminum
S.S. 304
S.S. 304
Viton
Viton
AS-469
AS-469
494
19.449
501
19.724
12
0.472
5.6
0.220
535
21.063
Europe
Europe
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.
Outer Ring (AL) 
