Atlas Technologies Product Guides Feb. 2014 | Page 27

Dimensional Specifications
Neutron Window Dimensions
E

BC

Atlas CF Neutron Windows

Hole Options

Specifications

Through
Atlas CF Neutron windows are fully compatible with the
industry standard Conflat® flange. Atlas uses CERN’s
20° back-bevel knife-edge design with a long-life 90°
encompassed angle geometry. Atlas flanges are quality
controlled using material batch monitoring processes.

BH

Tapped

BT

Quantity

BQ

Materials

Bore

Body / Weld Interface
Aluminum 6061 T-6
Knife-Edge
Stainless Steel 316L

Reduced Stainless Steel Optional

Titanium (Commercially Pure) Optional

OD

Environmental
Vacuum Leak Tested
< 1x10 -9 cc/sec of He
Thermal
Peak Temperature (< 2 Min. during weld-up)
500°C
Operational Temperature
-200°C to 250°C
Mechanical (EXW Interface)
Tensile
Shear

Leak-Test
Groove

0.06
1.5mm

15,000psi
10,000psi

Flange Size
BT

BQ

0.172 4.4

8-32 M4x0.7

6

0.35 7.2

1.625 41.3

0.265 6.7

.250-28 M6x1.0

4

0.470 11.9

1.50 38

2.312 58.7

0.265 6.7

.250-28 M6x1.0

6

0.510 12.7

3.37 86

1.75 44

2.850 72.4

0.332 8.4

.312-24 M8x1.25

8

0.620 15.7

63

4.47 114

2.50 64

3.628 92.2

0.332 8.4

.312-24 M8x1.25

8

0.750 19.0

4 5/8

-

4.62 117

2.75 70

4.030 102.4

0.332 8.4

.312-24 M8x1.25

10

0.750 20.6

6

100

5.97 152

3.75 95

5.128 130.3

0.332 8.4

.312-24 M8x1.25

16

0.840 21.3

6 3/4

-

6.75 171

4.87 124

5.969 151.6

0.332 8.4

.312-24 M8x1.25

18

0.840 21.3

8

160

7.97 202

5.75 146

7.128 181.1

0.332 8.4

.312-24 M8x1.25

20

0.880 23.9

10

200

9.97 253

7.75 197

9.128 231.9

0.332 8.4

.312-24 M8x1.25

24

0.970 24.6

12

-

12.00 305

9.75 248

11.181 284

0.332 8.4

.312-24 M8x1.25

32

1.125 28.4

13 1/4

-

13.25 337

10.02 255

12.058 306.3

0.390 9.9

.375-24 M10x1.5

30

1.125 28.4

14

-

14.00 356

11.75 298

12.810 325.4

0.390 9.9

.375-24 M10x1.5

30

1.125 28.4

14 1/2

-

14.50 368

11.75 298

13.310 338.1

0.390 9.9

.375-24 M10x1.5

32

1.125 28.4

16 1/2

-

16.50 419

13.75 349

15.310 389

0.390 9.9

.375-24 M10x1.5

36

1.125 28.4

Inch

DIN

OD

Bore

BC

1-1/3

16

1.33 34

0.60 15

1.062 27

2 1/8

-

2.12 54

0.75 19

2 3/4

40

2.73 69

3 3/8

-

4 1/2

BH

E

Equivalent metric units (mm) are displayed in blue

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