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ISO Flanges

With ISO flanges, you can design and implement your pipelines and connections with larger nominal widths in various designs up to high vacuum.

ISO-F Welding Flanges | 301320
Connection type
ISO-F
Nominal diameter
250
Outer diameter
13.189 ″
Flange material
Stainless steel 304L
Purity class
PCS
Connection type
ISO-F
Nominal diameter
250
Outer diameter
335 mm
Flange material
Stainless steel 304L
Purity class
PCS
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in production
ISO-F Blank Flanges | 301324
Nominal diameter
250
Connection type
ISO-F
Outer diameter
13.189 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
250
Connection type
ISO-F
Outer diameter
335 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO Rotatable Bolt Ring with Retaining Ring | 301331
Nominal diameter
250
Connection type
ISO-K, ISO-F
Outer diameter
13.189 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
250
Connection type
ISO-K, ISO-F
Outer diameter
335 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO-K Welding Flanges | 301366
Nominal diameter
320
Connection type
ISO-K
Outer diameter
14.567 ″
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
Nominal diameter
320
Connection type
ISO-K
Outer diameter
370 mm
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
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in production
ISO-K Blank Flanges | 301368
Nominal diameter
320
Connection type
ISO-K
Outer diameter
14.567 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
320
Connection type
ISO-K
Outer diameter
370 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO-K Blank Flanges | 354712
Nominal diameter
320
Connection type
ISO-K
Outer diameter
14.567 ″
Flange material
Stainless steel 304L
Purity class
PC2
Nominal diameter
320
Connection type
ISO-K
Outer diameter
370 mm
Flange material
Stainless steel 304L
Purity class
PC2
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on request
ISO-F Welding Flanges | 301372
Connection type
ISO-F
Nominal diameter
320
Outer diameter
16.732 ″
Flange material
Stainless steel 304L
Purity class
PCS
Connection type
ISO-F
Nominal diameter
320
Outer diameter
425 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO-F Blank Flanges | 301374
Nominal diameter
320
Connection type
ISO-F
Outer diameter
16.732 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
320
Connection type
ISO-F
Outer diameter
425 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO Rotatable Bolt Ring with Retaining Ring | 301380
Nominal diameter
320
Connection type
ISO-K, ISO-F
Outer diameter
16.732 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
320
Connection type
ISO-K, ISO-F
Outer diameter
425 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO-K Welding Flanges | 301393
Nominal diameter
400
Connection type
ISO-K
Outer diameter
17.717 ″
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
Nominal diameter
400
Connection type
ISO-K
Outer diameter
450 mm
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
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available
ISO-K Blank Flanges | 301395
Nominal diameter
400
Connection type
ISO-K
Outer diameter
17.717 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
400
Connection type
ISO-K
Outer diameter
450 mm
Flange material
Stainless steel 304L
Purity class
PCS
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on request
ISO-K Welding Flanges | 306067
Nominal diameter
500
Connection type
ISO-K
Outer diameter
21.654 ″
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
Nominal diameter
500
Connection type
ISO-K
Outer diameter
550 mm
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
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on request
ISO-K Blank Flanges | 305978
Nominal diameter
500
Connection type
ISO-K
Outer diameter
21.654 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
500
Connection type
ISO-K
Outer diameter
550 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO-K Blank Flanges | 311118
Nominal diameter
630
Connection type
ISO-K
Outer diameter
27.165 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
630
Connection type
ISO-K
Outer diameter
690 mm
Flange material
Stainless steel 304L
Purity class
PCS
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on request
ISO-K Welding Flanges | 301429
Nominal diameter
63
Connection type
ISO-K
Outer diameter
3.74 ″
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
Nominal diameter
63
Connection type
ISO-K
Outer diameter
95 mm
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
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available
ISO-K Welding Flanges | 301432
Nominal diameter
63
Connection type
ISO-K
Outer diameter
3.74 ″
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
Nominal diameter
63
Connection type
ISO-K
Outer diameter
95 mm
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
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available
ISO-K Blank Flanges | 301435
Nominal diameter
63
Connection type
ISO-K
Outer diameter
3.74 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
63
Connection type
ISO-K
Outer diameter
95 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO-F Welding Flanges | 301444
Connection type
ISO-F
Nominal diameter
63
Outer diameter
5.118 ″
Flange material
Stainless steel 304L
Purity class
PCS
Connection type
ISO-F
Nominal diameter
63
Outer diameter
130 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO-F Blank Flanges | 301447
Nominal diameter
63
Connection type
ISO-F
Outer diameter
5.118 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
63
Connection type
ISO-F
Outer diameter
130 mm
Flange material
Stainless steel 304L
Purity class
PCS
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available
ISO Rotatable Bolt Ring with Retaining Ring | 301468
Nominal diameter
63
Connection type
ISO-K, ISO-F
Outer diameter
5.118 ″
Flange material
Stainless steel 304L
Purity class
PCS
Nominal diameter
63
Connection type
ISO-K, ISO-F
Outer diameter
130 mm
Flange material
Stainless steel 304L
Purity class
PCS
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in production
ISO Rotatable Bolt Ring with Retaining Ring | 318970
Nominal diameter
63
Connection type
ISO-K, ISO-F
Outer diameter
5.118 ″
Flange material
Stainless steel 304L
Purity class
PC2
Nominal diameter
63
Connection type
ISO-K, ISO-F
Outer diameter
130 mm
Flange material
Stainless steel 304L
Purity class
PC2
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on request
ISO Rotatable Bolt Ring with Retaining Ring | 358747
Nominal diameter
63
Connection type
ISO-K, ISO-F
Outer diameter
5.118 ″
Flange material
Stainless steel 304L
Purity class
PC4
Nominal diameter
63
Connection type
ISO-K, ISO-F
Outer diameter
130 mm
Flange material
Stainless steel 304L
Purity class
PC4
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on request
ISO-K Welding Flanges | 301513
Nominal diameter
80
Connection type
ISO-K
Outer diameter
4.331 ″
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
Nominal diameter
80
Connection type
ISO-K
Outer diameter
110 mm
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
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available
ISO-K Welding Flanges | 301515
Nominal diameter
80
Connection type
ISO-K
Outer diameter
4.331 ″
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
Nominal diameter
80
Connection type
ISO-K
Outer diameter
110 mm
Flange material
Stainless steel 304L
Shape
Straight
Purity class
PCS
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available
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